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STUDY ON THE QUALITY PARAMETERS OF POND APPLE JAM (Annona glabra L.) 塘苹果酱品质参数的研究
Pub Date : 2019-09-16 DOI: 10.35382/18594816.1.34.2019.193
Phung Kim Nguyen, Thuy Thi Thanh Thang, Q. Trinh
The aim of the study was to identify factors that could affect the quality of pond apple (Annona glabra L.) jam.Various quality parameters were investigated with three replica groups for each: added fruit flesh compared to juice/water solution (30%; 35%; 40%; 45%; 50%), soluble solid concentration of juice (45; 50; 55) and varying pH levels (3.0; 3.2; 3.4). The results showed that when the added fruit flesh to juice/water was 40%, the product produced a high-value bright yellow, corresponding to CIELAB color space values, L∗, a∗, b∗, 12.45; 0.58; 8.56 and the jam product gained the highest scores from the sensory panel, which was demonstrated by perceptive color (5.05), flavor (4.98), taste (5.22) and texture (5.12). With a pH of 3.2 and a sugar concentration of 55%, the product with 40% added fruit flesh has the highest sensory value in terms of color, odor, taste and texture.
本研究旨在探讨影响塘苹果果酱品质的因素。研究了各种质量参数,每种参数有三个复制组:添加果肉与果汁/水溶液相比(30%;35%;40%;45%;50%),果汁可溶性固形物浓度(45;50;55)和不同的pH值(3.0;3.2;3.4)。结果表明,当果肉与果汁/水的比例为40%时,产品产生高值亮黄色,对应于CIELAB色空间值L∗,a∗,b∗,12.45;0.58;在感官面板上,果酱产品获得了最高的得分,分别是颜色(5.05)、风味(4.98)、口感(5.22)和质地(5.12)。当pH值为3.2,糖浓度为55%时,果肉添加量为40%的产品在色、香、味、质方面的感官价值最高。
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引用次数: 1
EFFECT OF FREE-RANGE AREA AND FEED RESTRICTION ON GROWTH PERFORMANCE OF HUNGARIAN LANDRACE GUINEA FOWL 散养面积和限饲对匈牙利土鸡生长性能的影响
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.189
Phuong Ngoc Lan Thieu, Ferencz Timea Roza, Gaal Katalin Kovacsne, Barta Ildiko, Xuan Thi Dong Kisne Do, Emodi Andrea, I. Szalay
Hungarian Landrace Guinea Fowls are famous for their excellent meat quality produced by traditional free-range farming. The study aimed to identify the optimal size of a free-range area for keeping Hungarian Landrace Guinea Fowl, and to examine its effect in combination with quantitative feed restriction on growth performance, 486 birds were randomly distributed into 18 cages. Free-range areas of different sizes (either 50 m2 or 15 m2 per bird, or without a running area) were provided from 6 weeks of age, and from 9 to 14 weeks,feed restriction at varying levels of 90%, 80%, 70% or ad libitum feeding was also applied. Body weight, body weight gain and feed conversion ratios were recorded every two weeks. Results showed that differing freerange area sizes and feed restriction had a substantial effect on the body weight of Hungarian Landrace Guinea Fowl, which was evident by the age of 10 weeks and continued until 14 weeks, where feed restriction negatively affected guinea fowl growth in free-range keeping. Guinea fowl provided with 15 m2 of free-range area per bird and fed ad libitum had the highest body weight  (1378.52 ± 43.68 g) with relatively low feedconversion ratio (3.82 ± 0.14 kg feed per kg body weight gain) when compared with other experimental groups at the age of 14 weeks. The lowest body weight and feed conversion ratio was observed in groups with 15 m2 freerange area per bird and 70% feed restriction (1245.93 ± 38.64 g and 3.52 ± 0.12 kg feed per kg body weight gain), while the highest feed conversion ratio was detected in groups fed ad libitum and kept closed, without a free range area (4.34 ± 0.06 kg feed per kg body weight gain).
匈牙利长白鸡以其优良的肉质而闻名,这些肉质是由传统的自由放养农场生产的。为了确定匈牙利长白鸡的最佳放养面积,并考察其与定量限饲相结合对生长性能的影响,将486只鸡随机分配到18个笼中。从6周龄开始提供不同大小的自由放养区(每只鸡50或15 m2,或不设跑动区),从9 ~ 14周龄开始,采用90%、80%、70%或自由采食的不同水平的限饲。每两周记录体重、增重和饲料系数。结果表明,不同的放养面积大小和限制饲料对匈牙利长白鸡体重有显著影响,这种影响在10周龄时表现明显,并持续到14周龄,限制饲料对自由放养的珍珠鸡生长有负面影响。14周龄时,自由放养面积为15 m2的珍珠鸡体重最高,为1378.52±43.68 g,饲料转化率较低,为3.82±0.14 kg / kg增重。自由放养面积为15 m2、限饲率为70%的组体重和饲料系数最低(1245.93±38.64 g,饲料系数3.52±0.12 kg / kg增重),自由放养和不放养组饲料系数最高(饲料系数4.34±0.06 kg / kg增重)。
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引用次数: 0
FACTORS AFFECTING THE QUALITY OF WOOD APPLE LIQUOR (Limonia acidissima L.) 影响木苹果白酒品质的因素
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.191
H. Nguyen, Phung Kim Nguyen, Nguyen V B Pham
Wood apple (Limonia acidissima L.) is a fruit with a high nutrition content, which can protect the liver, resist pathogenic bacteria, heal wounds and prevent the development of tumors. Initial research was conducted to  find out the appropriate pretreatment and alcohol concentration for the end product. The results showed that fresh wood apples were sufficiently ripe 2-3 days after harvesting, which were then washed, dried, individual apples were quartered and soaked in a glass jar containing Xuan Thanh wine (alc/vol = 40%) for 3 months. Thereafter, the wine sample exhibited a 19.8% alcohol concentration, 12.1° Brix, and had a total phenolic  compound (TPC) of 2.016 mg GAE/L.
木苹果(Limonia acidissima L.)是一种营养含量很高的水果,具有保护肝脏、抵抗病原菌、愈合伤口、防止肿瘤发展的作用。进行了初步研究,以确定最终产品的合适预处理和酒精浓度。结果表明,新鲜的木苹果在收获后2-3天就足够成熟了,然后将其洗净,晾干,将单个苹果分成四等份,并在含有宣清酒(alc/vol = 40%)的玻璃罐中浸泡3个月。之后,样品的酒精浓度为19.8%,糖度为12.1°,总酚化合物(TPC)为2.016 mg GAE/L。
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引用次数: 0
GENE CONSERVATION PRACTICE AND PRODUCTION OF OLD HUNGARIAN GOOSE BREEDS 匈牙利老鹅品种的基因保护实践和生产
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.188
L. Bódi, I. Szalay, Phuong Ngoc Lan Thieu
Hungarian goose production and gene conservation practices have been a tradition in Hungary for several centuries. The old Hungarian geese can only be effectively maintained if the national programs can identify economic uses of the breed. This study aimed to examine the potential use of the Hungarian landrace goose (HL) either as a purebred or crossbred with the Hungarian Upgraded breed (HU). Crossbred offspring were produced by HL ganders and HU layers, as egg production of HL layers is very low. Reproduction traits (egg production, fertility and hatchability) of parent stocks, body weight gain, feed consumption and slaughter values (slaughter loss, breast and thigh weight and proportions) and of offspring were measured. The results showed that fertility in the crossbred geese was insignificant compared to the fertility of HL purebreds, while hatchability of crossbreds was higher than that of purebred HL or HU. HL offspring had significantly lower bodyweight and weight gain, and a higher feed conversion rate than HU. The proportion of valuable meat parts (breast and thigh) was the highest in HU while weight in slaughter loss was also the highest in HU. In terms of body weight, feed conversion rate and slaughter properties, crossbred offspring showed intermediate  inheritance. HL is recommended for crossbreeding with HU breeds and their offspring should be reared under free-range keeping conditions.
几个世纪以来,匈牙利鹅的生产和基因保护一直是匈牙利的传统。只有在国家计划能够确定该品种的经济用途的情况下,才能有效地维护老匈牙利鹅。本研究旨在研究匈牙利长鹅(HL)作为纯种或与匈牙利升级品种(HU)杂交的潜在用途。由于HL蛋鸡产蛋率很低,因此选用HL蛋鸡与HU蛋鸡杂交后代。测量了亲本种群的繁殖性状(产蛋量、繁殖力和孵化率)、增重、饲料消耗和屠宰价值(屠宰损失、乳房和大腿重量及比例)以及后代。结果表明,与HL纯种相比,杂交鹅的育性不显著,但孵化率高于HL纯种和HU纯种。HL子代体重和增重显著低于HU,饲料转化率显著高于HU。有价值的肉部分(胸肉和大腿肉)的比例在HU中最高,而屠宰损失的重量也在HU中最高。在体重、饲料系数和屠宰性能方面,杂交后代表现为中间遗传。建议将HL与HU品种杂交,其后代应在散养条件下饲养。
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引用次数: 2
EFFECTS OF EXTRACTS FROM LEAVES AND ROOTS OF Melaleuca cajuputi Powell ON NEMATODES CAUSING DISEASES ON Piper nigrum L. (BLACK PEPPER) IN VITRO 千层木叶和根提取物对黑胡椒病原菌的体外防治作用
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.190
Xuyen H. Le, Thai Nguyen, Tr. N. Nguyen, Hoi Hoang Luu
This study evaluates the effects of different extracts from leaves (fresh and dry) and roots of melaleuca on  pathogens such as Meloidogyne spp., Phytophthora spp. and Fusarium spp. which affect pepper orchards in Hau Giang province, Vietnam. The results showed that the extracts increased the rate of death of a lethal nematode (Meloidogyne spp.) on pepper up to 100%, while the natural death rate (control) only reached to58% at 3 days after stocking in vitro, and the extracts from fresh leaves had the quickest response. However, extracts from both the melaleuca fresh leaves and roots were not effective on the development of all 11 strainsof Fusarium spp. and 5 strains of Phytophthora spp. which were tested after 3 days of inoculation. The results illustrated that the extracts of dried leaves was positive against the growth of 2 strains (18%), increased thegrowth of 8 strains (73%) and ineffective on 1  strain (9%) of Fusarium spp., and completely ineffective on all 5 strains of Phytophthora spp.
本研究评价了千层胡椒粉叶片(新鲜和干燥)和根部不同提取物对越南后江省胡椒粉果园病原菌melidogyne spp.、Phytophthora spp.和Fusarium spp.的影响。结果表明,辣椒鲜叶提取物对辣椒致死性线虫(Meloidogyne spp.)的体外放养后3 d的自然死亡率(对照)仅为58%,而鲜叶提取物对辣椒致死性线虫的反应最快。接种3 d后,对11株镰刀菌和5株疫霉的生长发育均无显著影响。结果表明,干叶提取物对枯萎病病原菌2株(18%)有抑制作用,对枯萎病病原菌8株(73%)有促进作用,对枯萎病病原菌1株(9%)无抑制作用,对疫霉菌5株均无抑制作用。
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引用次数: 0
STUDENT’S EVALUATION ON FACTORS INFLUENCING DECISIONS OF MAJORING IN HOTEL MANAGEMENT AT KIEN GIANG COLLEGE 健江学院学生对主修酒店管理之决策影响因素之评价
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.185
Thong Truong, Vu Nguyen, V. Nguyen
The factors influencing students’ decisions during the selection of a subject major is important for the  development of colleges in Vietnam. This study aims to address the factors impacting the choices of students to select the ‘Hotel Management’ major, at Kien Giang College, Vietnam, and analyze the influence level of each factor. The results confirm four factors that impact the decisions of students studying the major in Hotel Management at Kien Giang College, which are: (1) Hobbies, previously acquired skills, and the availability of jobs in the current job market; (2) The prestige of the college; (3) The benefit of studying; and (4) Sponsor policies and the opportunity to enhance the students’ livelihoods. Based on the outcome, this study also provides further suggestions to attract more students to major in hotel management at Kien Giang Collegein the future. 
影响学生选择专业的因素对越南大学的发展非常重要。本研究旨在探讨影响学生选择越南建江学院“酒店管理”专业的因素,并分析每个因素的影响程度。研究结果证实了四个影响健江学院酒店管理专业学生决策的因素,它们是:(1)兴趣爱好、先前获得的技能和当前就业市场的就业机会;(二)学院的声誉;(3)学习的好处;(4)赞助政策和提高学生生计的机会。在此基础上,本研究亦提出进一步的建议,以吸引更多学生到建江学院主修酒店管理。
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引用次数: 0
IMPACT OF SALINE INTRUSION ON AGRICULTURAL PRODUCTION IN VINH THUAN DISTRICT, KIEN GIANG PROVINCE, VIETNAM 盐渍入侵对越南江省永顺地区农业生产的影响
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.192
Tham Nguyen, Gia Thanh Nguyen
This study aimed to survey the current status of saline intrusion in Vinh Thuan district, to assess the understanding of the local people on saline intrusion, review the impact of saline intrusion on agricultural production. Salinity was measured continuously for seven months wherein 60 households and six government officials were interviewed in Vinh Binh Bac and Vinh Phong communes, Vinh Thuan district, Kien Giang province, Vietnam. The results showed that salinity was higher than 4 parts per thousand in both communes during thedry season affecting local farming models in which rice in the combined shrimp-rice model was seriously damaged resulting in household income loss by 30%. Of the 60 households interviewed, 96.7% knew aboutsaline intrusion, of which 26.7% knew about saltwater intrusion through workshops held by agrochemical sellers. At the survey site, there were three main production models, including a rice-shrimp model (58.3%), shrimp combined with other aquatic species (33.4%), and pineapple farming (8.3%). Farmers understood that saline intrusion seriously affects agricultural production (accounting for 100% of interviewed households). In terms of adaptive capacity, the interview results showed that the rice-shrimp and pineapple models are more adaptable than the shrimp and aquatic species integrated models. Based on the results, some measures are proposed to minimize the damage caused by saline intrusion as well as improve the adaptability of the farmers of Vinh Thuan district to the effects of saline intrusion.
本研究旨在调查永顺地区盐渍入侵的现状,评估当地居民对盐渍入侵的认识,回顾盐渍入侵对农业生产的影响。在越南江省永顺区永平Bac和永丰公社对60户家庭和6名政府官员进行了连续7个月的盐度测量。结果表明,在旱季,两个公社的盐度都高于千分之四,影响了当地的耕作模式,其中虾米结合模式的水稻严重受损,导致家庭收入损失30%。在受访的60户家庭中,96.7%的家庭知道盐水入侵,其中26.7%的家庭通过农用化学品销售者举办的讲习班了解盐水入侵。调查现场主要有稻虾养殖模式(58.3%)、虾与其他水生物种结合养殖模式(33.4%)和菠萝养殖模式(8.3%)3种。农户认识到盐水入侵严重影响农业生产(占受访农户的100%)。在适应能力方面,访谈结果表明,水稻-虾和菠萝模式比虾和水生物种综合模式适应性更强。在此基础上,提出了减少盐碱化危害的措施,提高永顺地区农民对盐碱化影响的适应能力。
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引用次数: 0
BANH PHCHUMBÂN, SEN ĐÔNTA FESTIVAL OF VIETNAM SOUTHERN KHMER: TRADITIONS AND MODERN CHANGES Banh phchumbÂn, sen ĐÔnta越南南部高棉人的节日:传统和现代变化
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.187
D. Son
Banh Phchum Ban, Sen Đôn Ta (Ancestors’ Day) has been a symbol of culture, belief, and spirituality, and is thepoint of convergence of Khmer culture. The holiday has gone deeply into the consciousness of the community, with an important role and significance that contributes to educating people in moral standards, such as being environmentally aware, ancestor worship and respecting those who have contributed to the Phum Sroc, to the nation and particularly expressing gratitude to the monks who act as the bridge between religion and state. This article applies perspectives, in accordance to the theory of functions (Functionalism) of the Malnowski, and studies the festival, which is in the process of modernization, with theories built on Ronald Inghart and Waye E. Baker’s methodologies. This research was conducted through fieldwork activities, observations, direct participation in some localities, and collecting and synthesizing literature about the festival made by cultural, philosophical and religious writers. A comparison and analysis assessment on holiday traditions and themodern world has recorded these changes to the festival in present-day life.
Banh Phchum Ban, Sen Đôn Ta(祖先节)一直是文化、信仰和精神的象征,是高棉文化的交汇点。这个节日已经深入到社区的意识中,具有重要的作用和意义,有助于教育人们的道德标准,例如环保意识,祖先崇拜和尊重那些为Phum Sroc做出贡献的人,对国家,特别是对作为宗教和国家之间桥梁的僧侣表示感谢。本文以马尔诺斯基的功能理论(功能主义)为视角,以罗纳德·因哈特和韦·e·贝克的方法论为基础,对处于现代化进程中的节日进行了研究。本研究通过实地考察、实地考察、部分地区的直接参与以及收集和综合文化、哲学和宗教作家关于节日的文献等方式进行。对节日传统和现代世界的比较和分析评估记录了当今生活中节日的这些变化。
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引用次数: 0
THE APPEARANCE OF FISHING COMMUNITY IN SONG DOC 宋代文献中渔业社区的出现
Pub Date : 2019-09-13 DOI: 10.35382/18594816.1.34.2019.186
Loc Hoang Duong
In recent years, coastal fishing communities have increasingly become of interest due to the impacts that they have on the regions and communities they occupy and influence. To gain a better understanding of the  contributions of fishermen to the socio-economic development of coastal areas, as well as the communities’characteristics, these fishing communities are necessary to investigate. This article focuses on the model of Song Doc fishing community (Tran Van Thoi district, Ca Mau province) to study the southern coastal fishing communities in Vietnam. Qualitative research methods were used, following two approaches to ethnographic fieldwork, as well as in-depth interviews to collect data. In addition, the perspective of community approaching was applied in conducting the research. This perspective is to help the researcher assesses the current situation, and shows the direction of development for this community and others.
近年来,由于沿海渔业社区对其所占据和影响的地区和社区的影响,它们越来越受到关注。为了更好地了解渔民对沿海地区社会经济发展的贡献,以及社区的特点,有必要对这些渔业社区进行调查。本文以越南金茂省Tran Van Thoi区的Song Doc渔业社区为研究对象,对越南南部沿海渔业社区进行了研究。采用定性研究方法,以下两种方法进行民族志田野调查,以及深入访谈来收集数据。此外,本文还运用社区接近的视角进行了研究。这个角度是为了帮助研究者评估现状,并为这个社区和其他社区显示发展方向。
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引用次数: 0
SOME METHODS OF EXPERIENCE-BASED LEARNING FOR STUDENTS SPECIALIZED IN MECHANICAL ENGINEERING 机械工程专业学生体验式学习的几种方法
Pub Date : 2019-08-06 DOI: 10.35382/18594816.1.2.2019.170
Minh Tan Tang, T. Phan
The paper generally presents about integrating soft skills into teaching by using experience-based teaching method. This method is the process in which the teacher plays the roles of organizing, guiding, orienting and implementing activities with learners, helping learners to find new knowledge, values and capabilities. That new knowledge and capacity continue to be verified in the process of experiencing reality, solving tasks posed by teacher, and then sharing the knowledge that has just been acquired with their friends and lecturer. Therefore, learners will be more receptive. Through the article, the authors would like to share teaching methods via practical experience in teaching specialized subjects of Mechanical Engineering to help students have more opportunities to experience, to apply the knowledge into reality, thence, forming skills and practical capacity as well as promoting the creative potential of the learners themselves.
本文主要介绍了运用经验教学法将软技能融入教学。这种方法是教师与学习者一起组织、指导、定向和实施活动,帮助学习者发现新的知识、价值观和能力的过程。在经历现实、解决老师布置的任务,然后与朋友和讲师分享刚刚获得的知识的过程中,新的知识和能力不断得到验证。因此,学习者会更容易接受。通过笔者在机械工程专业教学中的实践经验,分享教学方法,帮助学生有更多的机会去体验,将所学知识应用到实际中,从而形成技能和实践能力,促进学习者自身的创新潜能。
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引用次数: 0
期刊
Scientific Journal of Tra Vinh University
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