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Growth Efficiency of Local Chickens Using Sweet Potato Vine with Concentration Feed as a Basal Diet

Journal of Environmental Science and Engineering(B) 2024年第3期13卷 108-113页

作者： Hieak Hun Suheang Sorn chan bun Manay Ith Ty Chhay Kouch Theng Chetra Sar Faculty of Animal Sciences Royal University of AgriculturePhnom Penh 12400Cambodia General Directorate of Animal Health and Production Phnom Penh 120603Cambodia Faculty of Veterinary Medicine Royal University of AgriculturePhnom Penh 12400Cambodia Ministry of Environment Sangkat Tonle BasakKhan Chamkar MonPhnom Penh 120101Cambodia Ministry of Agriculture Forestry and FisheriesSangkat Tonle BasakKhan Chamkar MonPhnom Penh 120101Cambodia Graduate School Royal University of AgriculturePhnom Penh 12400Cambodia

The experiment was conducted at the animal experimental station of the Faculty of Animal Sciences,Royal University of Agriculture,commenced from 10 January to 14 March,*** CRD(Completely Randomized Design)was used with 5 treatments and 4 *** 500 chicks at one-day-old,local bread,were purchased from farmers who run their small scale hatchery *** chicks were kept together till 21 days old,and then were allocated randomly into in five diets(treatments),25 chicks per *** feed formulas for this study were designed and calculated to maintain a protein content of approximately 17%,dividing into 5 feed formulas(Treatments),such as concentrated feed only(control treatment:T0),plus 10%of fresh sweet potato vine(T1),plus 20%of fresh sweet potato vine(T2),plus 30%of fresh sweet potato vine(T3)and plus 20%of sweet potato vine meal(T4).The results showed that the treatment T1,had a similar final weight with the treatment T4,but was slightly lower than the treatment T0 which used concentrated feed *** intake and FCR(Feed Conversion Ratio)were not significantly different among those *** conclusion,the average daily weight gain of chickens seemed to decrease with increasing the level of fresh sweet potato ***,the optimum level of fresh sweet potato vine was 10%,which may have little effect on the growth performance of local *** addition,it was not far different from the positive control treatment and the treatment using sweet potato vine ***,the producers can increase the amount of sweet potato vine in feed formula by processing it into meal and mixing with concentrated feed or using as feed ingredients.

关键词： Local breed final weight feed intake FCR

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7,8-dihydroxyflavone,a small molecular TrkB agonist,is useful for treating various BDNF-implicated human disorders

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Translational Neurodegeneration 2016年第1期5卷 9-17页

作者： Chaoyang Liu Chi bun chan Keqiang Ye School of Information and Safety Engineering Zhongnan University of Economics and LawWuhan 430073P.R.China Department of Physiology University of Oklahoma Health Sciences Center940 Stanton L.Young Blvd.Oklahoma CityOK 73104USA Department of Pathology and Laboratory Medicine Emory University School of Medicine615 Michael StreetAtlantaGA 30322USA

Brain-derived neurotrophic factor(BDNF)regulates a variety of biological processes predominantly via binding to the transmembrane receptor tyrosine kinase *** is a potential therapeutic target in numerous neurological,mental and metabolic ***,the lack of efficient means to deliver BDNF into the body imposes an insurmountable hurdle to its clinical *** address this challenge,we initiated a cell-based drug screening to search for small molecules that act as the TrkB agonist.7,8-Dihydroxyflavone(7,8-DHF)is our first reported small molecular TrkB agonist,which has now been extensively validated in various biochemical and cellular *** binding to the extracellular domain of TrkB,7,8-DHF triggers TrkB dimerization to induce the downstream ***,7,8-DHF is orally bioactive that can penetrate the brain blood barrier(BBB)to exert its neurotrophic activities in the central nervous *** reports suggest 7,8-DHF processes promising therapeutic efficacy in various animal disease models that are related to deficient BDNF *** this review,we summarize our current knowledge on the binding activity and specificity,structure-activity relationship,pharmacokinetic and metabolism,and the pre-clinical efficacy of 7,8-DHF against some human diseases.

关键词： Flavonoids Neurotrophin BDNF Mimetic compound Receptor agonistic activity

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Treatment Satisfaction with Insulin Glargine in Insulin-Naïve Type 2 Diabetes Patients—A Hong Kong Based Registry

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Journal of Diabetes Mellitus 2014年第3期4卷 232-241页

作者： Wing-bun chan Wilson W. M. Ngai Peter Chun-Yip Tong Department of Medicine and Therapeutics Chinese University of Hong Kong Hong Kong China Sanofi-Aventis (Hong Kong) Limited Hong Kong China

Objective: To evaluate patient satisfaction with insulin glargine. Design: Multicentre observational registry. Data were collected at baseline/inclusion visit, and 12 and 24 weeks. Setting: Physicians in Hong Kong, who managed type 2 diabetes patients and had >5 years’ experience in using insulin glargine. Patients: People with type 2 diabetes, new to insulin, aged 18 - 75 years, who were previously being treated with ≤3 oral antidiabetes drugs (OAD) and had HbA1c > 7%, and in whom the?physicians had chosen to prescribe glargine for the first time. Main outcome measures: Treatment satisfaction assessed by Diabetes Treatment Satisfaction Questionnaire (DTSQs), glycaemic control (fasting blood glucose and HbA1c) and adverse events. Results: Between April 2010-October 2011, 41 patients completed the study. Average duration of diabetes and OAD therapy was 7.8 ± 8.0 years and 6.7 ± 7.4 years, respectively. The global DTSQs treatment satisfaction scores improved from 20.9 at baseline to 28.4 (p < 0.05) at the end of 24 weeks insulin glargine treatment. Analysis of DTSQs scores showed a decrease in perceived frequency of hyperglycaemia (4.1 to 1.9, p < 0.001) and hypoglycemia (2.2 to 1.5, p = 0.079). Perceived convenience (0.60, p < 0.025) and flexibility (0.9, p < 0.009) were also improved from baseline. Reduction in mean HbA1c (10.2% ± 2.2% to 7.0% ± 1.0%) and fasting blood glucose (10.9 ± 4.0 mmol/L to 6.4 ± 1.8 mmol/L) from baseline to study termination was significant (p < 0.05). Almost half (48.7%) of patients achieved HbA1c ≤ 7.0%, while 26.0% patients had FBG < 5.6 mmol/L. In total, 9 (22.0%) patients experienced at least one hypoglycemia event;there were no reports of severe hypoglycaemia. Conclusions: Despite a small number of subjects completed in this study, the study demonstrated clearly that the addition of insulin glargine to OAD therapy in diabetes management improved treatment satisfaction and perceived frequency of hyper-and hypoglycaemia together with gl

关键词： Insulin Glargine Patient Satisfaction Hong Kong Type 2 Diabetes Mellitus

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全球化时代文化研究若干新概念简析——“文化杂交”和“杂交文化”概念的理论内涵

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山东社会科学 2005年第10期 23-28页

作者：何平陈国贲牛津大学香港浸会大学社会学系

“Hybridity”和“hybridization”是近来国外文化社会学研究的新理论概念。前者指两种或多种文化交融而产生的杂交形态,后者指其形成的过程。“文化杂交化”概念概括了现代化进程中第三世界国家发生的文化重构现象。它对外来文化的吸... 详细信息

“Hybridity”和“hybridization”是近来国外文化社会学研究的新理论概念。前者指两种或多种文化交融而产生的杂交形态,后者指其形成的过程。“文化杂交化”概念概括了现代化进程中第三世界国家发生的文化重构现象。它对外来文化的吸收不是整体移入,而是选取融合不同文化的片断,或多种文化杂交,它区别于“文化同化”和“文化移入”的概念。这一概念对社会认同研究产生了深刻的影响,与当代全球化运动存在着内在的联系,而且也显然有助于我们正确分析和对待20世纪末以来的文化现实,能够使我们摆脱西方中心论所架构的西方—非西方的对立,并避免悲观的文明冲突论。

关键词：文化社会学文化交流文化理论

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基于可靠度的组合桥梁设计及维护策略(英文)

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建筑钢结构进展 2012年第2期14卷 1-13页

作者：张慕圣陈锐斌 College of Civil Engineering Tongji University Department of Civil and Environmental Engineering Hong Kong University of Science and Technology

Currently,the design practice of highway bridges around the world are moving towards limit states design,a reliability-based design *** Highway Bridge Design Code(CHBDC)is the first design code entirely developed based on limit states design philosophy,including foundations and FRP ***,reliability of a structure decreases in service due to environmental attacks and material deterioration such as fatigue,corrosion and many other ***,the structure should be inspected periodically,and the reliability of the structure should be evaluated according to its age and field *** its reliability is reduced to a certain level,a repair should be scheduled as well as some preventive maintenance measures should be implemented to prevent further ***,many research works have been conducted to investigate reliability-deterioration mechanisms for each type of infrastructure and its components,optimize the inspection and maintenance strategy,predict remaining service life,estimate its life cycle *** paper is focused on the study of reliability-deterioration mechanisms of slab on steel girder bridges due to fatigue and corrosion of steel girders as well as corrosion of reinforcement in the deck *** will also be given to illustrate the proposed life cycle management strategy for composite slab on steel girder bridges.

关键词： highway bridges reliability design code simulation finite strip method

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中国“三资”企业中的文化冲突与文化创新

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社会 2005年第3期25卷 8-26页

作者：陈国贲黎熙元陆何慧薇香港浸会大学社会学系广州中山大学港澳珠江三角洲研究中心香港浸会大学管理学系

This study attempts to investigate how, in Sino-foreign joint ventures in China, Chinese managers and workers on the one hand and western managers on the other explain and resolve their cultural conflicts in terms of the incompatibilities and tensions between particularism and universalism, the two opposing Chinese and western values. It hypothesizes that all parties have to find ways to resolve conflicts in order to maintain employment and keep the business enterprise viable. We argue that both Chinese and western employees must have adjusted, more or less, their values and behavior, and that a new culture of cooperation has consequently emerged from hybridization of particularism and universalism in the course of mutual learning. This cultural innovation exemplifies that globalization in the domain of culture is a process of reciprocal learning by people from diverse cultures.

关键词： “三资”企业文化创新文化冲突中国

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卡马西平与库欣综合征的假阳性地塞米松抑制试验

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英国医学杂志中文版 2005年第4期8卷 253-254页

作者： Ronald C W Ma Wing bun chan Wing Yee So Peter C Y Tong Juliana C N chan Chun Chung Chow 肖新华（译）王姮（校） Department of Medicine and Therapeutics Prince of Wales Hospital Shatin New Territories Hong Kong Department of Medicine and Therapeutics Chinese University of Hong Kong 不详

库欣综合征的早期临床表现与代谢综合征相似,对库欣综合征诊断的关键有赖于对库欣综合征的高度警觉和一系列筛查实验.通常先行1mg过夜地塞米松试验,接着常常是大剂量地塞米松试验.过夜地塞米松试验也广泛用于肾上腺意外瘤的功能评诂.

关键词：卡马西平库欣综合征假阳性地塞米松抑制试验临床表现代谢综合征病例报告皮质醇

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Evaluation of Smallholder Farmers’Awareness of Cattle Diseases in Svay Rieng and Prey Veng Provinces,Cambodia

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Journal of Environmental Science and Engineering(B) 2023年第1期12卷 34-40页

作者： Khoeun Sokun Kong Saroeun Theng Kouch bun chan Ren Theary Ith Manay chan bunyeth Kong Sokom Faculty of Agriculture University of Svay RiengSvay Rieng 200705Cambodia Royal University of Agriculture Phnom Penh 12400Cambodia General Directorate of Animal Health and Production 120603 Cambodia

In Cambodia,cattle are used as draught power,sources of fertilizer,sources of assets,and for meat *** to some contagious illnesses such as hemorrhagic septicemia and foot-and-mouth disease(FMD),they mostly have low reproductivity and poor physical *** those diseases,brucellosis is starting to appear in cattle production in rural Cambodia and is highly transmissible to ***,the objective of this study was to evaluate the farmers’awareness of cattle diseases and their transmissibility in the country.A survey was conducted in two provinces,Svay Rieng and Prey Veng,in Cambodia,starting from July 2021 to January 2022.A sample size of 216 was randomly selected from the two provinces by using Taro Yamane,and the selection criteria were that the targeted households must have at least two cows.A pre-determined questionnaire was utilized to collect data on number of cattle,raising type,feeding system,source of cattle purchase,hygienic condition,waste management,cattle disease,body score condition and *** a result,86% of the respondents in Prey Veng province and 99.07% in Svay Rieng province have cattle *** farmers raise 5 to 10 cattle per household,while other farmers raise 10 to 15 calves,or 15-20 or more than 20 heads,while only 20% of smallholder farmers in Prey Veng were able to raise 5 to 10 male cattle per *** all the interviewees,90% recognized FMD based on clinical signs such as blisters on the feet,loss of appetite,salivation and painful,red,blister-like lesions on the ***,60% know lumpy skin disease(LSD)due to skin *** one knew about *** findings suggest that the knowledge farmers have over cattle disease is very limited and this needs more support from related institutions to raise their awareness in order to cope with cattle disease correctly and timely.

关键词： Awareness smallholder farmers brucellosis LSD

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Seroprevalence of Brucellosis Disease and Lumpy Skin Disease on Cattles at Svay Rieng and Prey Veng Province, Cambodia

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Journal of Environmental Science and Engineering(B) 2023年第4期12卷 198-205页

作者： Khoeun Sokun Kong Saroeun bun chan Ren Theary Ith Manay chan bunyeth Lay Hort Hin Lyhour Theng Kouch Faculty of Agriculture Svay Rieng UniversitySvay Rieng 200705Cambodia Royal University of Agriculture Phnom Penh 12401Cambodia General Directorate of Animal Health and Production Phnom Penh 120603Cambodia Graduate School Royal University of AgricultureDangkor DistrictPhnom Penh12401Cambodia

LSD (Lumpy Skin Disease) is a poxviral disease with significant morbidity in cattle and belongs to the family Poxviridae and the genus Capripoxvirus and is transmitted by hematophagous arthropod vectors. Despite the typically low mortality rate, economic costs arise from deterioration in health, decreased milk production, miscarriages, infertility and harmed hides. Brucellosis disease is one of the most common contagious and communicable zoonotic diseases with high rates of morbidity and lifetime sterility. Serological tests with ELISA (Enzyme-Linked Immunosorbent Assays) indicate exposure to Brucella and LSD in cattle. To identify the presence of those diseases, the research was conducted in two provinces, Svay Rieng and Prey Veng, in Cambodia, starting from July 2021 to January 2022. In the study, the 2018 Thusfield method was adopted, and two cattle were selected from 216 households in the two provinces (112 in Svay Rieng and 104 in Prey Veng). However, not all the families had two cattle, so the total sample size was 300 cattle (227 in Svay Rieng and 73 in Prey Veng). As a result, there was only one brucellosis disease case in Svay Rieng Province, while that disease was not found at all in Prey Veng. Meanwhile, LSD was higher in Prey Veng (80% of the tested cattle) than in Svay Rieng (69%). Among all of the tested cattle, 66.7% had the highest BS (Body Score = 4). The finding suggests that LSD was prevalent in the studied areas, which may cause economic losses. Thus, preventive measures should be taken properly to tackle this issue. Although Brucellosis was a rare case in the studied areas, it may spread faster, causing abortion in cattle and women. Biosecurity is needed to ensure a strict control over this disease.

关键词： Zoonosis Brucellosis LSD antibody ELISA.

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Fabrication of Microlens Array and Its Application:A Review

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Chinese Journal of Mechanical Engineering 2018年第1期31卷 10-18页

作者： Wei Yuan Li-Hua Li Wing-bun Lee chang-Yuen chan State Key Laboratory of Ultra-precision Machining Technology Partner Laboratory in the Hong Kong Polytechnic University Shenzhen Branch of State Key Laboratory of Ultra-precision Machining Technology PolyU Shenzhen Research Institute

Microlens arrays are the key component in the next generation of 3D imaging system, for it exhibits some good optical properties such as extremely large field of view angles, low aberration and distortion, high temporal resolution and infinite depth of field. Although many fabrication methods or processes are proposed for manufacturing such precision component, however, those methods still need to be improved. In this review, those fabrication methods are categorized into direct and indirect method and compared in detail. Two main challenges in manufacturing microlens array are identified: how to obtain a microlens array with good uniformity in a large area and how to produce the microlens array on a curved surface? In order to effectively achieve control of the geometry of a microlens,indirect methods involving the use of 3D molds and replication technologies are suggested. Further development of ultraprecision machining technology is needed to reduce the surface fluctuation by considering the dynamics of machine tool in tool path planning. Finally, the challenges and opportunities of manufacturing microlens array in industry and academic research are discussed and several principle conclusions are drawn.

关键词： Microlens array Ultraprecision machining 3D image system MEMS

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