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Influences of Types of Incubators on Hatchability of Eggs 不同孵卵器类型对卵孵化率的影响
Pub Date : 2023-07-06 DOI: 10.11648/j.aas.20230803.13
Mohammedjuhar Musa Adame, Yesihak Yusuf, Nabiyu Tilahun Kuda
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引用次数: 0
Kinetic Study of Pb2+, Cr6+, Zn2+ and Fe3+ from Aqueous Solution Using Unmodified and Oxalic Acid Modified Cassava (Manihot esculenta crantz) Peel Waste Powder 未改性和草酸改性木薯果皮废粉对Pb2+、Cr6+、Zn2+和Fe3+的动力学研究
Pub Date : 2023-07-06 DOI: 10.11648/j.aas.20230803.11
Kanu Chidinma Queeneth, Adowei Pereware
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引用次数: 0
Finger Millet - A Possible Source of Human Nourishment and Health 小米——人体营养和健康的可能来源
Pub Date : 2023-06-27 DOI: 10.11648/j.aas.20230802.13
Kebede Dida, Kedir Kebero
Accessible for a significantly lower cost than other items, finger millet, the primary crop in human nutrition is regarded as a healthful diet for low-income populations. In Africa's West, East, and Great Lakes Regions, it is a reliable source of food. Furthermore, native to Ethiopia, it can withstand drought well. The chemical makeup of various finger millet types is crucial in determining which has a high nutritional value. Ethiopian research on the crop's chemical makeup is, however, lacking. This analysis evaluates the nutritional benefits, overall health, and application of finger millet in value-added foods. Its product is one of the most significant and is widely grown in several locations in Ethiopia and Eritrea. This little millet provides an essential amino acid in the form of foodstuffs lacking in leucine, isoleucine, methionine, and phenylalanine. The polyphenol and fiber content are also useful for various health advantages, including antioxidant, anti-diabetic, anti-atheroclerogenic, and anti-tumorigenic actions. Generally speaking, these millets are crucial for many items and are also utilized as a healthful food for newborns when fermented. They are also recognized as a significant source of fiber for diabetes patients.
小米作为人类营养的主要作物,被认为是低收入人群的健康饮食,其价格远低于其他食品。在非洲的西部、东部和大湖地区,它是一种可靠的食物来源。此外,它原产于埃塞俄比亚,能很好地抵御干旱。各种小米的化学成分是决定其营养价值高的关键。然而,埃塞俄比亚缺乏对这种作物化学成分的研究。本分析评估了小米的营养价值、整体健康和在增值食品中的应用。它的产品是最重要的产品之一,在埃塞俄比亚和厄立特里亚的几个地方广泛种植。这种小小米以缺乏亮氨酸、异亮氨酸、蛋氨酸和苯丙氨酸的食物形式提供必需氨基酸。多酚和纤维含量也对各种健康有益,包括抗氧化、抗糖尿病、抗动脉粥样硬化和抗肿瘤作用。一般来说,这些小米对许多食物都是至关重要的,发酵后也被用作新生儿的健康食品。它们也被认为是糖尿病患者纤维的重要来源。
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引用次数: 1
Prevalence of Iodized Salt Intake and Iodine Deficiency Disorders Status of Pregnant Women Visiting Bishoftu Hospital and Health Center for Antenatal Care 毕绍图医院和保健中心产前保健孕妇碘盐摄入和碘缺乏症状况
Pub Date : 2023-05-29 DOI: 10.11648/j.aas.20230802.12
Zeinaba Nagesso
: Iodine is an essential mineral for normal thyroid function, mammary gland development
碘是正常甲状腺功能、乳腺发育所必需的矿物质
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引用次数: 1
Review on Bacteria Affecting Pisciculture Leading to AMR Strains, Alternatively Herbals Used to Combat These Bacteria Strains 影响鱼类养殖的细菌导致AMR菌株的研究进展,以及用于对抗这些细菌菌株的替代草药
Pub Date : 2023-04-18 DOI: 10.11648/j.aas.20230802.11
Rupal Mishra, R. Kaur, G. Kaur
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引用次数: 0
Awareness and Responsiveness to Environmental Issues by Youths: A Logistic Regression Approach 青年对环境问题的意识和反应:逻辑回归方法
Pub Date : 2023-03-21 DOI: 10.11648/j.aas.20230801.14
Onuoha Chinyere Adaku, Nwakuya Maureen Tobechukwu, Ngobiri Nnaemeka Chinedu, Edache Bernard Ochekwu, Onuoha Philip
: This research was carried out among student in Nigerian schools. The logistic regression model and ordinal logistic model were fitted with Awareness to environmental issues (AEI) with two levels and Responsiveness to environmental issues (REI) with five levels as the response variable. The predictor variables are age, geographical zones, type of school and location of school. The fitted logistic regression was shown to be a good fit and the result revealed that the older the students the more responsive they are to environmental issues. The overall effect of zone and type of school were statistically significant though the type of school had a negative effect. The ordinal logistic regression was equally fitted and the results also show that the older the student the more aware they are of environmental issues. The result also shows that the zones, urban schools and students in senior secondary and university are associated with higher likelihood of being aware of environmental issues and these effects are significant. The summary of the results reveals that though there is awareness of environmental issues in Nigeria but responsiveness towards is very low among students. Hence, we recommend that courses on environmental issues and responsiveness towards them should be incorporated in the academic curriculum of students especially in the universities since age has a positive effect on both RIE and AEI.
本研究在尼日利亚学校的学生中进行。logistic回归模型和有序logistic模型分别以环境问题意识(AEI)和环境问题响应性(REI)作为响应变量,AEI为两个层次,REI为五个层次。预测变量包括年龄、地理区域、学校类型和学校位置。拟合的逻辑回归结果显示,年龄越大的学生对环境问题的反应越积极。区域和学校类型的总体影响具有统计学意义,但学校类型有负向影响。有序逻辑回归的拟合结果也表明,年龄越大的学生对环境问题的意识越强。结果还表明,区域、城市学校和高中和大学学生对环境问题的认识可能性更高,并且这些影响是显著的。结果总结表明,尽管尼日利亚学生对环境问题有一定的认识,但学生对环境问题的反应非常低。因此,我们建议在学生的学术课程中加入有关环境问题和对环境问题的反应的课程,特别是在大学,因为年龄对环境和环境综合评价都有积极的影响。
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引用次数: 0
Whole Rock Geochemistry and Geodynamic Evolution of Paleoproterozoic Gneisses, Ako’ozam-Njabilobe Area, Southwestern Cameroon 喀麦隆西南部Ako’ozam- njabilobe地区古元古代片麻岩全岩地球化学及地球动力学演化
Pub Date : 2023-02-14 DOI: 10.11648/j.aas.20230801.13
C. Fuanya, Boniface Kankeu, Anthony Temidayo Bolarinwa, Rose Fouateu Yongue
: The Ako’ozam–Njabilobe area, which is part of the Nyong group, is characterized mainly by highly deformed gneisses that host amphibolites, and metadolerites as enclaves. The gneisses within the Ako’ozam-Njabilobe area were investigated to constrain their geotectonic environment as well as understand their geodynamic evolution within the Nyong group. Three litho-types of gneisses outcrop within the Ako’ozam-Njabilobe area, consisting of horblende-biotite, quartzofeldspathic, and garnet gneisses. They are strongly peraluminous, with low Yb N , Rb/Sr, K 2 O/Na 2 O, and enriched in large ion lithophile elements (LILE). The gneisses within the Ako’ozam-Njabilobe area have a trachy-andesite parentage. The negative anomalies in high field strength elements (HFSE) and enrichments in LILE and light rare earth elements (LREE) suggest a subduction setting for this magmatism. The geochemical signatures including, low K 2 O/Na 2 O ratio, silica content (67.18 to 73.65 wt%), Yb and Y contents less than 1 and 10 ppm respectively, and low heavy REE values of the studied gneisses are akin to chemical signatures of archean crustal rocks. The Nb/Th < 1 and Th/Yb >1 of the studied gneisses indicate that the magma that sourced their protolith is mantle-derived with some degree of crustal contamination. The similarity in whole rock data of the three lithotypes of gneisses within the Ako’ozam-Njabilobe area suggests a possible mechanical mixing during emplacement. The chemistry of the gneisses indicates a possible Archean inheritance during the emplacement of their protoliths, as such could provide insights into the petrogenetic processes controlling crustal growth and aid in understanding the Archean-Proterozoic transition within the Nyong group.
Ako’ozam - njabilobe地区是Nyong群的一部分,其主要特征是高度变形的片麻岩,其中含有角闪岩和元砾岩。研究了Ako’ozam- njabilobe地区片麻岩的构造环境,了解了它们在Nyong群内的地球动力学演化。在Ako’ozam- njabilobe地区露头的片麻岩有三种岩性类型,分别是闪黑云母、石英辉长石和石榴石片麻岩。它们具有强过铝性质,低ybn、Rb/Sr、k2o /Na 2o,富含大离子亲石元素(LILE)。Ako’ozam- njabilobe地区的片麻岩具有干岩安山岩的血统。高场强元素(HFSE)负异常以及LILE和轻稀土元素(LREE)富集表明该岩浆活动存在俯冲背景。低k2o / na2o比值、硅含量(67.18 ~ 73.65 wt%)、Yb和Y含量分别小于1和10 ppm、低重稀土值等地球化学特征与太古宙地壳岩石相似。所研究的片麻岩的Nb/Th < 1和Th/Yb >1表明其原岩源岩浆为幔源岩浆,并有一定程度的地壳污染。Ako’ozam- njabilobe地区三种片麻岩类型的全岩资料相似,表明侵位过程中可能存在机械混合作用。片麻岩的化学成分表明,在其原岩侵位过程中可能存在太古宙的遗传,这有助于了解控制地壳生长的成岩过程,并有助于了解尼永群中太古宙-元古代的过渡。
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引用次数: 0
Evaluation of Bread Wheat (Triticum aestivum L.) Genotypes for Drought Tolerance Using Canopy Temperature and Chlorophyll Content 面包小麦(Triticum aestivum L.)的评价基于冠层温度和叶绿素含量的抗旱基因型研究
Pub Date : 2023-02-06 DOI: 10.11648/j.aas.20230801.12
S. Alemayehu, Tamiru Olbana
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引用次数: 0
Evaluation of the Performance of a Direct Mode Solar Dryer of Local Manufacture: Application to Plantain 国产直接式太阳能干燥机的性能评价:在大蕉上的应用
Pub Date : 2023-01-17 DOI: 10.11648/j.aas.20230801.11
Nadia Pamela Gladys Pambou-Tobi, Arnaud Wenceslas Geoffroy Tamba Sompila, Michel Elenga, Romain Zozhau Boumba, Jacques Emmanuel Moussounga
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引用次数: 0
A Multi-component Signal Decomposition Application Research on Improved Algorithm Based on Improved Wavelet Ridge 基于改进小波脊的多分量信号分解改进算法研究
Pub Date : 2021-11-10 DOI: 10.11648/J.AAS.20210604.15
Rui Tang
Multi-component signal decomposition method with noise has become a research hotspot of equipment condition monitoring. Aiming at the iterative divergence problem of traditional wavelet ridge extraction algorithm for multi-component harmonic signals widely existing in mechanical and electrical systems, in order to achieve the goal of high decomposition accuracy and anti-noise performance of multi-component signals, the relationship between the initial scale and the extracted components is analyzed. Compared with the time domain of noisy harmonic signals, an improved wavelet ridge extraction algorithm is proposed (WRSD) After the instantaneous frequency of a component is obtained by this extraction algorithm, the component can be separated from the original signal and its instantaneous amplitude can be obtained by using the synchronous demodulation method. This method has high accuracy and certain anti-noise performance for instantaneous frequency estimation. Through simulation analysis and engineering application, the key zero point in intelligent manufacturing equipment of high-performance composite parts can be realized Fault detection of components.
带噪声的多分量信号分解方法已成为设备状态监测的研究热点。针对传统小波脊线提取算法对机电系统中广泛存在的多分量谐波信号的迭代发散问题,为了达到多分量信号高分解精度和抗噪声性能的目标,分析了初始尺度与提取分量之间的关系。与含噪谐波信号的时域相比较,提出了一种改进的小波脊线提取算法(WRSD),该算法提取出分量的瞬时频率后,可将该分量与原始信号分离,并采用同步解调方法获得其瞬时幅度。该方法对瞬时频率估计具有较高的精度和一定的抗噪性能。通过仿真分析和工程应用,实现高性能复合材料零部件智能制造装备中的关键零点,实现部件故障检测。
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Advances in Applied Sciences
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