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PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOSCIENCE, BIOTECHNOLOGY, AND BIOMETRICS 2019最新文献

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Incidence and characteristics of anemia among patients with nasopharyngeal carcinoma in Lombok, Indonesia 印度尼西亚龙目岛鼻咽癌患者贫血的发病率和特点
H. Kadriyan, M. A. Sulaksana, I. Lestarini, N. K. Susilawati, Abdul Qadar Punagi, N. Pieter, M. Gaffar
Since the anemia and nasopharyngeal cancer (NPC) are a major problem in Indonesia and anemia has become one of the prognostic factors for the treatment of NPC, it is important to analyse the incidence and its characteristics in NPC patients especially in rural areas in Indonesia, such as Lombok. The purpose of this study is to analyse the incidence and the characteristics of anemia in NPC patients in a secondary referral hospital, Lombok, Indonesia. This research was carried out by analytic descriptive study using medical record data from secondary referral hospitals, Lombok, Indonesia. The data were obtained between April 2017 to March 2018. Nasopharyngeal cancer was established through physical examination, imaging, and histopathological examination. The stage of disease was defined according to AJCC 2017. Anemia was defined as Haemoglobin level less than 11 g/dl and the severity level according to WHO criteria. Classification of anemia based on MCV and MCHC are divided into normocytic, microcytic and macrocytic as well as normochromic, hypochromic, and hyperchromic according to the criteria of Chinese Clinical Oncology guideline 2012. There were 40 cases of patient with anemia who fulfil the study criteria, which consist of 30 male and 10 female, with the ratio 3: 1. According to the age, patients were distributed from 13 to 67 years old with the mean age for males was 46 (SD± 11.04) years old while the mean age for female was 50,9 (SD± 12,37) years old. Patients were found in stage II-IV, however, most of them were stage IV (68.75%). There were 87.5% of patients with anemia in different severity levels. However, the highest number was found in mild anemia level (57.5%). Based on the erythrocyte index, the majority types of anemia were hypochromic microcytic and normocytic normochromic (39,3%). The incidence of anemia in a patient with nasopharyngeal carcinoma at secondary referral hospitals in Lombok was 87,5%. Most of them were mild and hypochromic microcytic as well as normocytic normochromic type.Since the anemia and nasopharyngeal cancer (NPC) are a major problem in Indonesia and anemia has become one of the prognostic factors for the treatment of NPC, it is important to analyse the incidence and its characteristics in NPC patients especially in rural areas in Indonesia, such as Lombok. The purpose of this study is to analyse the incidence and the characteristics of anemia in NPC patients in a secondary referral hospital, Lombok, Indonesia. This research was carried out by analytic descriptive study using medical record data from secondary referral hospitals, Lombok, Indonesia. The data were obtained between April 2017 to March 2018. Nasopharyngeal cancer was established through physical examination, imaging, and histopathological examination. The stage of disease was defined according to AJCC 2017. Anemia was defined as Haemoglobin level less than 11 g/dl and the severity level according to WHO criteria. Classification of anemia based on
由于贫血和鼻咽癌(NPC)是印度尼西亚的一个主要问题,贫血已成为鼻咽癌治疗的预后因素之一,因此分析鼻咽癌患者的发病率及其特征非常重要,特别是在印度尼西亚的农村地区,如龙目岛。本研究的目的是分析在二级转诊医院,龙目岛,印度尼西亚鼻咽癌患者贫血的发生率和特点。本研究采用分析描述性研究方法,利用印度尼西亚龙目岛二级转诊医院的病历数据进行。这些数据是在2017年4月至2018年3月期间获得的。通过体格检查、影像学检查和组织病理学检查确定鼻咽癌。疾病的阶段是根据AJCC 2017定义的。贫血的定义是血红蛋白水平低于11 g/dl和根据世卫组织标准的严重程度。根据《中国临床肿瘤学指南2012》,以MCV和MCHC为基础的贫血分类分为正红细胞型、小细胞型和大细胞型以及正、低、高红细胞型。符合研究标准的贫血患者40例,其中男30例,女10例,比例为3:1。患者年龄分布在13 ~ 67岁之间,男性平均年龄46 (SD±11.04)岁,女性平均年龄50,9 (SD±12.37)岁。患者均处于II-IV期,但以IV期居多(68.75%)。87.5%的患者存在不同程度的贫血。但以轻度贫血水平最高(57.5%)。根据红细胞指数,大多数类型的贫血是低色性小细胞贫血和正色性贫血(39.3%)。龙目岛二级转诊医院鼻咽癌患者贫血的发生率为87.5%。多数为轻度、低染性小细胞型和正染性小细胞型。由于贫血和鼻咽癌(NPC)是印度尼西亚的一个主要问题,贫血已成为鼻咽癌治疗的预后因素之一,因此分析鼻咽癌患者的发病率及其特征非常重要,特别是在印度尼西亚的农村地区,如龙目岛。本研究的目的是分析在二级转诊医院,龙目岛,印度尼西亚鼻咽癌患者贫血的发生率和特点。本研究采用分析描述性研究方法,利用印度尼西亚龙目岛二级转诊医院的病历数据进行。这些数据是在2017年4月至2018年3月期间获得的。通过体格检查、影像学检查和组织病理学检查确定鼻咽癌。疾病的阶段是根据AJCC 2017定义的。贫血的定义是血红蛋白水平低于11 g/dl和根据世卫组织标准的严重程度。基于MCV和MCHC的贫血分类分为正细胞型、小细胞型和大细胞型。
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引用次数: 2
Growth and yield of rice plants frown in media containing several formulations of brown algae organic fertilizer 在含有几种褐藻有机肥配方的培养基中,水稻植株的生长和产量受到抑制
A. L. Sunarwidhi, S. Pebriani, N. W. R. Martyasari, E. Prasedya, H. Sunarpi
It has been reported solid extract of brown algae contains essential elements, which can stimulate growth and yield of plants. Therefore, it can be used as an important source of organic fertilizer. This article reports several formulation of organic fertilizer on gworth and yield of rice plants. There were six formulations were tested, named with A1, A2, A3, B1, B2, and B3. Each formulation was different in content of solid extract of brown algae, chicken manure, rice husk and sawdust. The result shown that except plant other parameter, such as tiller number, shoot dry weight, root dry weight, penicle number, and grain weight, were affected by formulation of organic fertilizer. Formulation B3 containing only 5% solid extract of brown algae, increase growth and yield of rice plants. This suggests that the best formulation of organic fertilizer which can increase growth and yield of plants significantly should contain 5% solid extract of brown algae.It has been reported solid extract of brown algae contains essential elements, which can stimulate growth and yield of plants. Therefore, it can be used as an important source of organic fertilizer. This article reports several formulation of organic fertilizer on gworth and yield of rice plants. There were six formulations were tested, named with A1, A2, A3, B1, B2, and B3. Each formulation was different in content of solid extract of brown algae, chicken manure, rice husk and sawdust. The result shown that except plant other parameter, such as tiller number, shoot dry weight, root dry weight, penicle number, and grain weight, were affected by formulation of organic fertilizer. Formulation B3 containing only 5% solid extract of brown algae, increase growth and yield of rice plants. This suggests that the best formulation of organic fertilizer which can increase growth and yield of plants significantly should contain 5% solid extract of brown algae.
据报道,褐藻固体提取物中含有促进植物生长和产量的必需元素。因此,它可以作为有机肥的重要来源。本文报道了几种有机肥配方对水稻植株生长和产量的影响。试验共6个剂型,分别以A1、A2、A3、B1、B2、B3命名。各配方中褐藻、鸡粪、稻壳和木屑的固体提取物含量不同。结果表明,除植株外,分蘖数、地上部干重、根干重、青霉菌数和粒重均受有机肥配比的影响。配方B3只含5%的褐藻固体提取物,促进水稻生长和产量。由此可见,以添加5%褐藻固体提取物的有机肥配方为宜,可显著提高植物的生长和产量。据报道,褐藻固体提取物中含有促进植物生长和产量的必需元素。因此,它可以作为有机肥的重要来源。本文报道了几种有机肥配方对水稻植株生长和产量的影响。试验共6个剂型,分别以A1、A2、A3、B1、B2、B3命名。各配方中褐藻、鸡粪、稻壳和木屑的固体提取物含量不同。结果表明,除植株外,分蘖数、地上部干重、根干重、青霉菌数和粒重均受有机肥配比的影响。配方B3只含5%的褐藻固体提取物,促进水稻生长和产量。由此可见,以添加5%褐藻固体提取物的有机肥配方为宜,可显著提高植物的生长和产量。
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引用次数: 0
Vibration damping study of multilayer structures 多层结构的减振研究
M. Vašina
Mechanical vibration belongs to negative phenomena in many cases. Therefore it is necessary to reduce mechanical vibration in an appropriate manner. This paper is focused on application of multilayer structures for mechanical vibration damping. Vibration damping properties of different multilayer materials were investigated by the method of forced oscillations. Different factors that have an influence on vibration damping of the tested multilayer structures were investigated in this paper.Mechanical vibration belongs to negative phenomena in many cases. Therefore it is necessary to reduce mechanical vibration in an appropriate manner. This paper is focused on application of multilayer structures for mechanical vibration damping. Vibration damping properties of different multilayer materials were investigated by the method of forced oscillations. Different factors that have an influence on vibration damping of the tested multilayer structures were investigated in this paper.
机械振动在很多情况下属于消极现象。因此,有必要以适当的方式减少机械振动。本文主要研究了多层结构在机械减振中的应用。采用强迫振动法研究了不同多层材料的减振性能。研究了影响多层结构减振性能的各种因素。机械振动在很多情况下属于消极现象。因此,有必要以适当的方式减少机械振动。本文主要研究了多层结构在机械减振中的应用。采用强迫振动法研究了不同多层材料的减振性能。研究了影响多层结构减振性能的各种因素。
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引用次数: 0
Application bio-fertilizers to increase yields of zero-tillage soybean of two varieties under different planting distances in dry season on vertisol land of Central Lombok, Indonesia 在印尼龙目岛中部垂直土壤旱季不同种植距离下,施用生物肥料提高两个品种免耕大豆产量
W. Wangiyana, N. Farida
Soybean crop is capable of establishing symbiosis with both Rhizobium bacteria and arbuscular mycorrhizal fungi (AMF) to form tripartite symbiosis. Symbiosis with Rhizobium bacteria enables a host plant to perform biological nitrogen fixation, while symbiosis with AMF enables host plants to increase nutrient uptake and water absorption so that they can be more tolerant to drought in dry seasons. This study aimed to examine the effect of application of Rhizobium and AMF bio-fertilizers on growth and yield of two soybean varieties under two treatments of plant spacing in vertisol ricefield during the dry season 2009 following rice crop without tillage. The experiment was arranged in a Randomized Block Design, with three blocks (replications) and three treatment factors, namely soybean varieties (V1= Anjasmoro; V2= Wilis), plant spacing (30x20 and 25x25 cm), and types of fertilizers (F1= without fertilizer; F2= Rhizobium application; F3= NPK only; F5= Rhizobium + AMF). Results indicated that application of both bio-fertilizers (Rhizobium and AMF) significantly increased soybean yield components, including grain yield, weight of 100 grains, grain number and total biomass per clump, compared with fertilization only with NPK or no fertilizers. There was no significant effect of plant spacing, but both varieties showed differences in plant height, grain yield, harvest index, and weight of 100 grains. However, there were interaction effects especially between variety and fertilization on plant dry weight, grain number and grain yield per clump, in which the highest grain yield was on soybean bio-fertilized with both Rhizobium and AMF, both in V1 and V2, but the average was higher in V1 (25.58 g/clump) than in V2 (15.03 g/clump). V1 was more responsive to dual application of the bio-fertilizers than V2.Soybean crop is capable of establishing symbiosis with both Rhizobium bacteria and arbuscular mycorrhizal fungi (AMF) to form tripartite symbiosis. Symbiosis with Rhizobium bacteria enables a host plant to perform biological nitrogen fixation, while symbiosis with AMF enables host plants to increase nutrient uptake and water absorption so that they can be more tolerant to drought in dry seasons. This study aimed to examine the effect of application of Rhizobium and AMF bio-fertilizers on growth and yield of two soybean varieties under two treatments of plant spacing in vertisol ricefield during the dry season 2009 following rice crop without tillage. The experiment was arranged in a Randomized Block Design, with three blocks (replications) and three treatment factors, namely soybean varieties (V1= Anjasmoro; V2= Wilis), plant spacing (30x20 and 25x25 cm), and types of fertilizers (F1= without fertilizer; F2= Rhizobium application; F3= NPK only; F5= Rhizobium + AMF). Results indicated that application of b...
大豆作物能够与根瘤菌和丛枝菌根真菌(AMF)建立共生关系,形成三方共生关系。与根瘤菌共生可以使寄主植物进行生物固氮,而与AMF共生可以使寄主植物增加养分吸收和水分吸收,从而在干旱季节更能耐受干旱。本研究旨在探讨2009年旱季免耕水稻后,在两种株距处理下施用根瘤菌和AMF生物肥料对2个大豆品种生长和产量的影响。试验采用随机区组设计,设3个区组(重复)和3个处理因子,即大豆品种(V1= Anjasmoro;V2= Wilis)、株距(30x20和25x25 cm)、肥料种类(F1=不施肥;F2=根瘤菌施用;F3= NPK;F5=根瘤菌+ AMF)。结果表明,与只施用氮磷钾或不施用氮磷钾相比,施用两种生物肥料(根瘤菌和AMF)均显著提高了大豆产量组成,包括籽粒产量、百粒重、粒数和每丛总生物量。株距对两品种株高、产量、收获指数和百粒重的影响不显著。品种和施肥对单株干重、粒数和单株产量均有互作效应,其中V1和V2同时施用根瘤菌和AMF的单株产量最高,但V1的平均产量(25.58 g/ kg)高于V2 (15.03 g/ kg)。V1对双施生物肥料的响应强于V2。大豆作物能够与根瘤菌和丛枝菌根真菌(AMF)建立共生关系,形成三方共生关系。与根瘤菌共生可以使寄主植物进行生物固氮,而与AMF共生可以使寄主植物增加养分吸收和水分吸收,从而在干旱季节更能耐受干旱。本研究旨在探讨2009年旱季免耕水稻后,在两种株距处理下施用根瘤菌和AMF生物肥料对2个大豆品种生长和产量的影响。试验采用随机区组设计,设3个区组(重复)和3个处理因子,即大豆品种(V1= Anjasmoro;V2= Wilis)、株距(30x20和25x25 cm)、肥料种类(F1=不施肥;F2=根瘤菌施用;F3= NPK;F5=根瘤菌+ AMF)。结果表明,b…
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引用次数: 12
Contribution to computer simulation of problems from the theory of mechanisms focused on robots 对机器人机构理论问题计算机模拟的贡献
D. Hroncová, Ľ. Miková, A. Gmiterko, I. Delyová, P. Sivák, P. Frankovský
The aim of the paper is to present a regulation and control model of the two link manipulator end effector position. Attention is paid to kinematic and dynamic analysis of the manipulator. Then the simulation model with a control algorithm of its end effector position is proposed. MSC Adams Control Toolkit is used for computer simulation. Finally the results of the simulation are presented in graphical form. An example of a robot model that will be the objective of the solution in the paper consists of two members. The industrial robot can be considered as an open chain mechanism consisting of rigid links and joints. The movable arms are mounted on a solid base ensuring its stability in operation. A working tool, in our case a basket, is fixedly connected to the movable upper arm. Our aim is to describe the movement of the basket of the end member. The control of the position of the end member was performed by the MSC Adams program, which offers the possibility to build a control system and also the possibility of using regulator. In this case a proportional regulator with Kp gain is used. The stability of the basket is eliminated by the control circuit by applying a balancing torque that allows the basket to stabilize during movement. For the control system a feedback control circuit is provided. The regulator controls the equalization torque to keep the basket in a horizontal position during arm rotation. The aim was also to obtain results from the manipulation of the robot’s end effector and to prove the ability and functionality of the designed balancing torque controller. The course of the current and desired angle while moving by trajectory is displayed graphically.The aim of the paper is to present a regulation and control model of the two link manipulator end effector position. Attention is paid to kinematic and dynamic analysis of the manipulator. Then the simulation model with a control algorithm of its end effector position is proposed. MSC Adams Control Toolkit is used for computer simulation. Finally the results of the simulation are presented in graphical form. An example of a robot model that will be the objective of the solution in the paper consists of two members. The industrial robot can be considered as an open chain mechanism consisting of rigid links and joints. The movable arms are mounted on a solid base ensuring its stability in operation. A working tool, in our case a basket, is fixedly connected to the movable upper arm. Our aim is to describe the movement of the basket of the end member. The control of the position of the end member was performed by the MSC Adams program, which offers the possibility to build a control system and also the possi...
本文的目的是建立一种双连杆机械手末端执行器位置的调节控制模型。对机械手进行了运动学和动力学分析。然后提出了其末端执行器位置控制算法的仿真模型。MSC Adams Control Toolkit用于计算机仿真。最后以图形形式给出了仿真结果。一个机器人模型的例子,将是本文解决方案的目标,由两个成员组成。工业机器人可以看作是一个由刚性连杆和关节组成的开链机构。活动臂安装在坚固的底座上,确保其运行稳定。一个工具,在我们的例子中是一个篮子,被固定地连接到可活动的上臂上。我们的目的是描述末端构件篮的运动。端部位置的控制由MSC Adams程序完成,这为建立控制系统和使用调节器提供了可能性。在这种情况下,使用具有Kp增益的比例调节器。控制电路通过施加平衡扭矩来消除篮的稳定性,从而使篮在运动过程中保持稳定。对于控制系统,提供了反馈控制电路。调节器控制平衡扭矩,使吊篮在手臂旋转期间保持水平位置。目的还在于获得机器人末端执行器的操作结果,并证明所设计的平衡转矩控制器的能力和功能。当前的过程和所需的角度,同时移动的轨迹显示图形。本文的目的是建立一种双连杆机械手末端执行器位置的调节控制模型。对机械手进行了运动学和动力学分析。然后提出了其末端执行器位置控制算法的仿真模型。MSC Adams Control Toolkit用于计算机仿真。最后以图形形式给出了仿真结果。一个机器人模型的例子,将是本文解决方案的目标,由两个成员组成。工业机器人可以看作是一个由刚性连杆和关节组成的开链机构。活动臂安装在坚固的底座上,确保其运行稳定。一个工具,在我们的例子中是一个篮子,被固定地连接到可活动的上臂上。我们的目的是描述末端构件篮的运动。端部位置的控制由MSC Adams程序完成,这为建立控制系统提供了可能,也提供了可能。
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引用次数: 2
Scientific Committee: XVII. International Scientific Conference: Dynamics of Rigid and Deformable Bodies 2019 科学委员会:十七。2019年国际科学会议:刚体和可变形体动力学
SkocilasovaBlanka, LenhardRichard, SoukupJosef
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引用次数: 0
Fecal egg count reduction test (FECRT) for measurement of gastrointestinal helminth resistance to anthelmintic of Bali cattle in North Lombok 用粪卵计数减少试验测定北龙目岛巴厘牛胃肠蠕虫对驱虫病的抗性
Kholik Kholik, Rista Ranggalan Putri, Adek Livia YunitaNingrum, Erlina Septiyani, F. J. I. C. Situmorang, Mashur, C. D. Atma
Anthelmintic resistance (AR) is increasing worldwide as a consequence of the over usage of anthelmintic. Fecal Egg Count Reduction Test (FECRT) is one of the methods to measure of anthelmintic resistance of gastrointestinal helminth. The objective of this paper is to know gastrointestinal helminth resistance using Fecal Egg Count Reduction Test. A community trial was carried out in North Lombok during Mei 2019. Eighteen (18) Bali cattle were used in this research after analyzed by eggs per gram feces (EPG) to know the value of eggs of helminth in Bali cattle before anthelmintic were given, as basic data. They were divided into 3 groups: group one was not given anthelmintic, group two was given Ivermectin (0.2 mg/kg BW), and group three was given Albendazole (15 mg/kg BW). The feces of 18 Bali cattle examined by EPG to know of Fecal Egg Reduction were collected after 14 days of giving Ivermectin and Albendazole. The data of Fecal Egg Reduction between Ivermectin and Albendazole groups were analyzed by T-test. The result showed that the group given Ivermectin can be reduced 91.66±83.20 % eggs per gram feces and the group was given Albendazole can be reduced 83.81±74.51% eggs per gram feces by FECRT. The T-test showed no significant difference between the group that was given Ivermectin and albendazole group (p>0.05). The eggs per gram feces of the group were not given anthelmintic increased until 41.66±208.366 eggs per gram feces. Ivermectin and Albendazole can give for gastrointestinal helminthiasis because they can reduce eggs per gram feces but anthelmintic resistance of Ivermectin and Albendazole was indicated because the anthelmintic has to reduce fecal egg count by at least 95 %.Anthelmintic resistance (AR) is increasing worldwide as a consequence of the over usage of anthelmintic. Fecal Egg Count Reduction Test (FECRT) is one of the methods to measure of anthelmintic resistance of gastrointestinal helminth. The objective of this paper is to know gastrointestinal helminth resistance using Fecal Egg Count Reduction Test. A community trial was carried out in North Lombok during Mei 2019. Eighteen (18) Bali cattle were used in this research after analyzed by eggs per gram feces (EPG) to know the value of eggs of helminth in Bali cattle before anthelmintic were given, as basic data. They were divided into 3 groups: group one was not given anthelmintic, group two was given Ivermectin (0.2 mg/kg BW), and group three was given Albendazole (15 mg/kg BW). The feces of 18 Bali cattle examined by EPG to know of Fecal Egg Reduction were collected after 14 days of giving Ivermectin and Albendazole. The data of Fecal Egg Reduction between Ivermectin and Albendazole groups were analyzed by T-te...
由于抗虫药的过度使用,世界范围内抗虫药耐药性正在增加。粪卵计数减少试验(FECRT)是测定胃肠蠕虫抗虫性的方法之一。目的是利用粪卵计数减少试验了解胃肠道蠕虫的耐药性。2019年5月,在北龙目岛进行了社区试验。本研究以18头巴厘牛为研究对象,采用EPG(鸡蛋/克粪便)分析,了解在给药前巴厘牛体内虫卵的价值,作为基础数据。随机分为3组:1组不给药,2组给药伊维菌素(0.2 mg/kg BW), 3组给药阿苯达唑(15 mg/kg BW)。在给予伊维菌素和阿苯达唑14 d后,收集18头巴里牛的粪便,用EPG检测粪蛋减少情况。伊维菌素组和阿苯达唑组的粪蛋减量数据采用t检验分析。结果表明,经FECRT检测,给予伊维菌素组每克粪便可减少91.66±83.20%卵,给予阿苯达唑组每克粪便可减少83.81±74.51%卵。经t检验,伊维菌素组与阿苯达唑组比较差异无统计学意义(p>0.05)。未给药组每克粪便虫卵数增加至41.66±208.366个。伊维菌素和阿苯达唑可以治疗胃肠道蛔虫病因为它们可以减少每克粪便中的卵数但伊维菌素和阿苯达唑对驱虫药产生耐药性是因为驱虫药必须减少至少95%的粪便卵数。由于抗虫药的过度使用,世界范围内抗虫药耐药性正在增加。粪卵计数减少试验(FECRT)是测定胃肠蠕虫抗虫性的方法之一。目的是利用粪卵计数减少试验了解胃肠道蠕虫的耐药性。2019年5月,在北龙目岛进行了社区试验。本研究以18头巴厘牛为研究对象,采用EPG(鸡蛋/克粪便)分析,了解在给药前巴厘牛体内虫卵的价值,作为基础数据。随机分为3组:1组不给药,2组给药伊维菌素(0.2 mg/kg BW), 3组给药阿苯达唑(15 mg/kg BW)。在给予伊维菌素和阿苯达唑14 d后,收集18头巴里牛的粪便,用EPG检测粪蛋减少情况。对伊维菌素组和阿苯达唑组的粪蛋减量数据进行t -t分析。
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引用次数: 2
The tool for wheel profile wear research from the track composition point of view 从轨迹组成的角度对刀具的车轮齿形磨损进行了研究
Vladimír Hauser, A. Pavlik, Mária Loulová, O. Potapenko
The wheel profile of a rail vehicle is one of the key elements on which its ride dynamics depend. Even small changes in the wheel tread geometry resulting from its gradual wearing can significantly affect not only passenger comfort, but also result in a change in vehicle behavior when running on a straight track, and when running through a track curve, there is a significant change in the forces acting in the wheel-rail contact. The aim of the authors is to clarify the causes of wear by using simulation analysis of a vehicle ride and subsequent processing of the results in their own software, allowing to plot various parameters of the wheel-rail contact in relation to their location on the wheel profile. The value of the presented parameters is also interpreted in relation to the radius of the curve of the track where they occurred. The paper describes software designed by the authors as a tool for research of causes of wear, presents used algorithms and mathematical-analytical apparatus.The wheel profile of a rail vehicle is one of the key elements on which its ride dynamics depend. Even small changes in the wheel tread geometry resulting from its gradual wearing can significantly affect not only passenger comfort, but also result in a change in vehicle behavior when running on a straight track, and when running through a track curve, there is a significant change in the forces acting in the wheel-rail contact. The aim of the authors is to clarify the causes of wear by using simulation analysis of a vehicle ride and subsequent processing of the results in their own software, allowing to plot various parameters of the wheel-rail contact in relation to their location on the wheel profile. The value of the presented parameters is also interpreted in relation to the radius of the curve of the track where they occurred. The paper describes software designed by the authors as a tool for research of causes of wear, presents used algorithms and mathematical-analytical apparatus.
轨道车辆的车轮外形是影响其行驶动力学的关键因素之一。即使车轮胎面几何形状的微小变化,由于其逐渐磨损,不仅会显著影响乘客的舒适度,而且还会导致车辆在直线轨道上行驶时的行为发生变化,当通过轨道曲线时,作用在轮轨接触中的力也会发生显著变化。作者的目的是通过使用车辆行驶的模拟分析和随后在他们自己的软件中处理结果来澄清磨损的原因,允许绘制轮轨接触的各种参数与其在车轮轮廓上的位置有关。所提出的参数的值也被解释为与它们发生的轨迹曲线的半径有关。本文介绍了作者设计的用于研究磨损原因的软件,介绍了所使用的算法和数学分析装置。轨道车辆的车轮外形是影响其行驶动力学的关键因素之一。即使车轮胎面几何形状的微小变化,由于其逐渐磨损,不仅会显著影响乘客的舒适度,而且还会导致车辆在直线轨道上行驶时的行为发生变化,当通过轨道曲线时,作用在轮轨接触中的力也会发生显著变化。作者的目的是通过使用车辆行驶的模拟分析和随后在他们自己的软件中处理结果来澄清磨损的原因,允许绘制轮轨接触的各种参数与其在车轮轮廓上的位置有关。所提出的参数的值也被解释为与它们发生的轨迹曲线的半径有关。本文介绍了作者设计的用于研究磨损原因的软件,介绍了所使用的算法和数学分析装置。
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引用次数: 0
Role of moss on improving physical characteristics of entisols, nutrient uptake and growth of corn and green beans 苔藓对改善玉米和四季豆土壤物理特性、养分吸收和生长的作用
Mahrup, I. Kusnarta, M. Ma’shum, Fahrudin
Moss (Bryophytina) is pioneer plants in terrestial environment. It effisienttly utilize nutrients from soils and release them as organic nutrients. A green house experiment was conducted using Factorial 2x4 Completely Randomized Design. There were 2 types of indicator crops, namely Corn local var. (C1) and Green beans local var. (C2) and 4 levels of moss dosage, namely: 0 tons/ha (M0), 5 tons/ha (M1), 10 tons/ha (M2), and 15 tons/ha (M3). The results of the research revealed that moss had a significant role on improving soil physical carachteristic as well as nutrients uptake by corn and green beans. Soil aggregate stability improved from a less stable aggregate (40-50) without moss to rather stable (50-60) at level 5 - 10 tons/ha, and the aggregate was stable at dose of 15 tons/ha. Nutrients uptake rate by corn, i.e.: N (7 ‰ per ton moss/ha), P (1 ‰) and K (2 ‰). Nutrient uptake rate by green beans, i.e.: N (2‰ per ton moss/ha), P (4‰) and K (10 ‰). The average growth rate of corn growing with moss was 1.7 cm/day compared to 1.3 cm/day without moss. The average growth rate of green beans was 0.76 cm/day with moss and 0.6 cm/day without moss. In conclusion, application of moss on Entisols Lombok could possibly improve soil aggregate stability, as well as increase growth rate, and nutrient uptake by corn and green beans.
苔藓是陆生环境中的先锋植物。它有效地利用土壤中的养分,并将其作为有机养分释放出来。温室试验采用2 × 4完全随机设计。指标作物为玉米地方品种(C1)和青豆地方品种(C2) 2种,苔藓用量为0吨/公顷(M0)、5吨/公顷(M1)、10吨/公顷(M2)和15吨/公顷(M3) 4个水平。研究结果表明,苔藓对改善玉米和四季豆的土壤物理特性和养分吸收有显著作用。土壤团聚体稳定性在5 ~ 10吨/公顷水平上由不太稳定的团聚体(40 ~ 50)提高到较稳定的团聚体(50 ~ 60),在15吨/公顷剂量下团聚体稳定。玉米对养分的吸收率,即N(7‰/吨苔藓/公顷)、P(1‰)和K(2‰)。青豆的养分吸收率,即N(2‰/吨苔藓/公顷)、P(4‰)和K(10‰)。有苔玉米的平均生长率为1.7 cm/d,无苔玉米的平均生长率为1.3 cm/d。有苔青豆的平均生长率为0.76 cm/d,无苔青豆的平均生长率为0.6 cm/d。综上所述,在龙目岛上施用苔藓可以改善土壤团聚体稳定性,提高玉米和四季豆的生长速率和养分吸收。
{"title":"Role of moss on improving physical characteristics of entisols, nutrient uptake and growth of corn and green beans","authors":"Mahrup, I. Kusnarta, M. Ma’shum, Fahrudin","doi":"10.1063/1.5141330","DOIUrl":"https://doi.org/10.1063/1.5141330","url":null,"abstract":"Moss (Bryophytina) is pioneer plants in terrestial environment. It effisienttly utilize nutrients from soils and release them as organic nutrients. A green house experiment was conducted using Factorial 2x4 Completely Randomized Design. There were 2 types of indicator crops, namely Corn local var. (C1) and Green beans local var. (C2) and 4 levels of moss dosage, namely: 0 tons/ha (M0), 5 tons/ha (M1), 10 tons/ha (M2), and 15 tons/ha (M3). The results of the research revealed that moss had a significant role on improving soil physical carachteristic as well as nutrients uptake by corn and green beans. Soil aggregate stability improved from a less stable aggregate (40-50) without moss to rather stable (50-60) at level 5 - 10 tons/ha, and the aggregate was stable at dose of 15 tons/ha. Nutrients uptake rate by corn, i.e.: N (7 ‰ per ton moss/ha), P (1 ‰) and K (2 ‰). Nutrient uptake rate by green beans, i.e.: N (2‰ per ton moss/ha), P (4‰) and K (10 ‰). The average growth rate of corn growing with moss was 1.7 cm/day compared to 1.3 cm/day without moss. The average growth rate of green beans was 0.76 cm/day with moss and 0.6 cm/day without moss. In conclusion, application of moss on Entisols Lombok could possibly improve soil aggregate stability, as well as increase growth rate, and nutrient uptake by corn and green beans.","PeriodicalId":20577,"journal":{"name":"PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOSCIENCE, BIOTECHNOLOGY, AND BIOMETRICS 2019","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89375021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tannin concentrations of Gyrinops tea with different leaf processing methods and addition of herbal medicine ingredients 不同茶叶加工方法及添加草药成分对黄芪茶单宁浓度的影响
I. G. A. S. Wangiyana, Sawaludin, Wahyu Yuniati Nizar, W. Wangiyana
Gyrinops tea is the new type of agarwood tea from Lombok Island, which has a good prospect to be developed. Addition of herbal medicine ingredients could improve the quality of this product as a healthy good taste herbal tea. One of chemical standard to measure quality of herbal tea product is tannin measurement. The aim of this research is to examine tannin concentration of Gyrinops tea with different leaves processing and addition of herbal medicine ingredient. Factorial Completely Randomize Design was used as experimental design with three replications and two treatment factors. i.e. leaf processing methods (P1= leaves without oxidation, P2: leaves with oxidation), and addition of herbal medicine ingredients (H1: Zingiber officinale, H2: Cymbopogon citratus, H3: Citrus aurantiifolia). Tannin measurement was carried by titrimetric method using KMnO4 and Indigo carmine reagent. Tannin concentration data were analyzed using analysis of variance (ANOVA) and DMRT at 5% level of significance. The results indicated that both treatment factors showed significant effects on tannin concentrations. However, there was no interaction effect between those two factors. Oxidation of Gyrinops leaves increased tannin concentration of the Gyrinops tea. Addition of Cymbopogon citratus resulted in the highest tannin concentration compared with other ingredients. Thus oxidation of Gyrinops leaves combined with addition of Cymbopogon citratus could produce herbal tea with high quality of tannin concentration.Gyrinops tea is the new type of agarwood tea from Lombok Island, which has a good prospect to be developed. Addition of herbal medicine ingredients could improve the quality of this product as a healthy good taste herbal tea. One of chemical standard to measure quality of herbal tea product is tannin measurement. The aim of this research is to examine tannin concentration of Gyrinops tea with different leaves processing and addition of herbal medicine ingredient. Factorial Completely Randomize Design was used as experimental design with three replications and two treatment factors. i.e. leaf processing methods (P1= leaves without oxidation, P2: leaves with oxidation), and addition of herbal medicine ingredients (H1: Zingiber officinale, H2: Cymbopogon citratus, H3: Citrus aurantiifolia). Tannin measurement was carried by titrimetric method using KMnO4 and Indigo carmine reagent. Tannin concentration data were analyzed using analysis of variance (ANOVA) and DMRT at 5% level of significance. The results ind...
龙目岛沉香茶是龙目岛的一种新型沉香茶,具有很好的开发前景。添加草药成分可提高产品质量,是一种健康可口的凉茶。单宁含量是衡量凉茶产品质量的化学标准之一。本研究的目的是考察不同茶叶加工工艺和添加草药成分对黄芪茶单宁含量的影响。试验设计采用因子完全随机化设计,3个重复,2个处理因子。即叶子的加工方法(P1=未氧化的叶子,P2:氧化的叶子),以及草药成分的添加(H1:黄姜,H2:香茅,H3:金叶柑橘)。用KMnO4和靛蓝胭脂红试剂滴定法测定单宁。单宁浓度数据采用方差分析(ANOVA)和DMRT在5%显著性水平下进行分析。结果表明,两种处理因素对单宁浓度均有显著影响。但两者之间不存在交互作用。黄芪叶的氧化增加了黄芪茶的单宁浓度。与其他成分相比,枸杞的单宁含量最高。综上所述,对黄芪叶进行氧化处理,并加入香茅,可制得单宁浓度较高的凉茶。龙目岛沉香茶是龙目岛的一种新型沉香茶,具有很好的开发前景。添加草药成分可提高产品质量,是一种健康可口的凉茶。单宁含量是衡量凉茶产品质量的化学标准之一。本研究的目的是考察不同茶叶加工工艺和添加草药成分对黄芪茶单宁含量的影响。试验设计采用因子完全随机化设计,3个重复,2个处理因子。即叶子的加工方法(P1=未氧化的叶子,P2:氧化的叶子),以及草药成分的添加(H1:黄姜,H2:香茅,H3:金叶柑橘)。用KMnO4和靛蓝胭脂红试剂滴定法测定单宁。单宁浓度数据采用方差分析(ANOVA)和DMRT在5%显著性水平下进行分析。结果发现……
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引用次数: 8
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PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOSCIENCE, BIOTECHNOLOGY, AND BIOMETRICS 2019
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