breeder相关论文
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
试验旨在研究不同的采食量对种鸡增重、成活率、均匀度的影响。将7周龄7 950只种鸡随机分成3组。基础饲粮组A(♂)和B(♀)为对照组,......
作者将氟烷基因型PCR RFLP诊断技术用于种猪测定 .通过从猪毛、猪血中提取DNA ,用特异性的引物进行PCR扩增均能得到 6 59bp的DNA片......
作者在前人研究的基础上 ,利用最小二乘分析原理 ,制定了目标性状日增重(ADG)、背膘厚 (BF)、饲料效率 (FCR)三性状的综合评定指数......
为研究复方中草药提取物对种用广西麻鸡种公鸡精液品质的影响,试验选取合格的成年广西麻鸡种公鸡270只为试验动物,进行为期5个月的......
研究了河口区采用人工调配海水培育南美白对虾亲虾和育苗池的水质状况.亲虾池水以紫外杀菌器、生物滤器循环处理,不用药,良好地控......
研究设计了一套基于TMS320F2812内嵌eCAN模块的种畜采食活动监控系统，用以实现对种畜个体日采食量、日增重等数据进行记录，并对种畜......
为了总结近年来陕西省牛繁育员队伍培训的经验,探索进一步提升牛繁育员素质的有效培训方法,我们对全省11个地市,35个县区,42个规模......
《植物新品种保护公约》是保护植物育种者权益的重要国际协定.它的产生既是生物科学技术发展和育种科技成果商业化的必然要求,也是......
China has decided to speed-up the nuclear power development.It is programmed that the nuclear power capacity will reach ......
本文采用冷压－烧结工艺研究了γ－ＬｉＡｌＯ２陶瓷芯块密度ρ（克／厘米＾３）与压制压力Ｐ（ＭＰａ），烧结温度Ｔ（℃）烧结时间（小时）和添加剂量Ｍ（克ＰＶＡ／克干粉）等工艺参数之间的关系，由......
采用溶胶－凝胶法制备出了粒径小于１ｍｍ的陶瓷微球。微球直径分布在０．４￣１．０ｍｍ，密度达８０￣９０％Ｔ．Ｄ．，比表面积为１８￣３２ｍ＾２／ｇ，压碎强度达１￣３ｋｇ／个球。该工艺克服了金属的氢氧化物难以沉......
介绍了中国氦冷球床实验包层模块（CH HCSB TBM）设计中固体氚增殖剂陶瓷球的功能要求。考虑正硅酸锂（Li4SiO4）作为第一候选材料。对其陶......
采用堆外实验来研究γ－ＬｉＡｌＯ２增殖剂的放氚行为，根据测得的γ－ＬｉＡｌＯ２的放氚曲线、确定了７４８－８７３Ｋ范围内氚在γ－ＬｉＡｌＯ２中的扩散系数常数Ｄ０＝（１．３９±０．１０）×１０＾－９ｍ＾２．ｓ＾－１活化能Ｑ＝（１４５±３）ｋＪ．ｍｏｌ＾－１。......
为了探讨卵黄性腹膜炎和鸡白血病对种鸡死亡率和产蛋率的影响,在2016年1月至2017年4月中旬,对江苏省常州市某种鸡场岭南黄鸡、花鸡......
For the solid blanket concept of helium cooled ceramic breeder (HCCB) demonstration fusion power plant (DEMO), a feasibl......
The effects of supplementing a blend of organic acids (OA) and a lactic acid bacteria (LAB) based-probiotic on egg to ch......
Identification of pathogenic microorganisms of repeat breeder dairy cows and a hyperimmune treatment
Objective:To investigate the bacterial infections in repeat breeder dairy cows and to evaluate the treatment effects of ......
Quantification of Protective Antibody Vaccine-Elicited in Chickens against Infectious Bursal Disease
A study on infectious bursal disease virus(IBDV)on chickens of Cobb-500 strain broiler breed at Thakurgaon district of B......
Subtle sexual plumage color dimorphism and size dimorphism in a South American colonial breeder, the
Background:Parrots(Psittacidae Family)are one of the most colorful groups of birds in the world,their colors pro-duced b......
Objective:To determine the possibility of presence of bacterial biofilm in the uterus of repeat breeder cows and to eval......
Objective: To examine differences in the metabolite, steroid and lipopolysaccharide of follicular fluid collected from t......
This article proposes a general framework for the conversion of U-238 and Th-232 utilizing fusion-produced neutrons. Thi......
The aim of this work was to compare the use of local intrauterine moist heat infusion to intrauterine antibiotics infusi......
