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Expression dynamics and regulation of PTHLH and its receptor PTH1R genes in chicken follicle develop
Background Parathyroid hormone-like hormone (PTHLH) was initially identified as the tumor product that is responsible fo......
Biocompatible silver nanoparticles: An investigation into their protein binding efficacies, anti-bac
Green synthesis of silver nanoparticles(AgNPs)has garnered tremendous interest as conventional methods include the use a......
Concentration-Dependent Inuence of Silver Nanoparticles on Amyloid Fibrillation Kinetics of Hen Egg-
Understanding the inuence of nanoparticles on the formation of protein amyloid brillation is cru-cial to extend their ap......
选取288只42周龄健康农大三号商品蛋鸡,随机分为6个组,每组设4个重复,在基础日粮中以亚硒酸钠的形式添加硒0.3 mg/kg;其余各组以纳......
A ternary self-condensing vinyl polymerization(SCVP) system consisting of monomers, inimers and core initiators is studi......
在 77K测定了标题配合物的激发光谱和荧光光谱 ,在配合物的7F0 →5D0 激发光谱里 ,5 80 .1 4nm和 5 80 .6 8nm处呈现两个锐锋 ,说......
The Yellow River is the cradle of China. It had long been the center of politics, economics and culture of China in his......
目的 了解河南省淮阳丘陵生态区人体肠道寄生虫病流行现状.方法 按照全国第三次人体重点寄生虫病调查方案及河南省的调查方案,在生......
A two-step method for stacking arrangement of passages in multistream plate-fin heat exchanger is proposed. The first st......
Bottom-up approach to constructing low-dimensional nanostructures on surfaces with terminal alkynes has drawn great inte......
Pressure-controlled elliptical cavity expansion under anisotropic initial stress: Elastic solution a
This paper presents an elastic solution to the pressure-controlled elliptical cavity expansion problem under the anisotr......
首次合成 Eu(MFA)_3 phen(MFA:对甲氧基苯甲酰基-呋喃甲酰基甲烷;phen:1,10-二氮杂菲)配合物,并以元素分析、IR 和~1HNMR 进行表征......
在77K测定了标题配合物的激发光谱和荧光光谱,结果表明在标题配合物中仅存有一种Eu3+格位。据此可以推断中心离子与配位体之间的成键方式是......
配合物Eu(o-MBA)3phen(o-MBA:邻甲基苯甲酸酸根离子;phen:1,10-二氮杂菲)在紫外或可见光激发下,能发出很强的红色荧光.以Eu(Ⅲ)离子为光谱探针,77K下测得其高分辨激发和发射光谱......
[Eu(pABA)3Phen·H2O](C2H5OH)(pABA=对氨基苯甲酸根,Phen=邻菲咯啉)配合物晶体属三斜晶系,P1空间群,a=12268(3)nm,b=14005(3)nm,c=10440(3)nm;α=10269(2)°,β=10893(2)°,γ=9285(2)°;Z=2,T=273K。最终的R因子为0039。配合物中心Eu3+离子与周围pABA的......
在乙醇体系中合成了三价稀土金属离子Eu~3+与烟酰基丙酮(简称NA)、邻菲罗啉(Phen)的三元配合物.对配合物进行了元素分析,测定了激发光谱、......
Statistical theory for hydrogen bonding fluid system of A_aD_d type(Ⅲ):Equation of state and fluctua
The equation of the state of the hydrogen bonding fluid system of AaDd type is studied by the principle of statistical m......
Zhongyuan Petroleum Exploration Bureau (ZPEB), known as Zhongyuan Oilfield, is a large state-owned enterprise affiliated......
In this paper,the effect of finite Larmor radius (FLR) on high n ballooning modes is studied on the basis of FLR magneto......
Formation of Hengchun Accretionary Prism Turbidites and Implications for Deep-water Transport Proces
Located at the end of the northern Manila Trench, the Hengchun Peninsula is the latest exposed part of Taiwan Island, an......
An improved circular synthetic aperture radar(CSAR) imaging algorithm of omega-k(ω-k) type mainly for reconstructing an......
新安县石寺—北冶铝土矿区地层展布大多为北东走向,具西北端隆起、向东南方向呈“一面坡”倾斜的特征。矿体受地层控制,总体产状与......
In this work,a new type of hydrophobic stationary phase that provide electrostatic interactions with analytes was develo......
Two strains of Gallibacterium, isolated from one laying hen flock in Zhengzhou City of Henan Province, were identified b......
通过夹点技术分析了中国某延迟焦化过程的用能网络.从实际操作数据中提取该延迟焦化过程的用能网络,并通过问题表格法计算得到该网......
根据NCBI上已公布其他物种CHST11基因的mRNA序列设计蛋鸡特异性引物,应用RT-PCR方法从其卵巢卵泡中扩增出CHST11的CDS全序列.结果......
利用Henstock-Kurzweil积分,在ω较弱的条件下,讨论了含参量Cauchy系统有界变差解的唯一性。...
Formation of Hengchun Accretionary Prism Turbidites and Implications for Deep-water Transport Proces
Located at the end of the northern Manila Trench,the Hengchun Peninsula is the latest exposed part of Taiwan Island,and ......
换热网络的优化设计一直是化工系统工程最活跃的研究领域.阐述了夹点技术工程设计的基本原理、工程要求与热力学分析方法,并对某常......
实现中原崛起是科学发展观的重要内容,科学发展观是实现中原崛起的行动指南.必须结合河南省实际,把科学发展观贯彻到促进中原崛起......
应用常规石蜡切片,H-E染色,对9例鸡卵巢腺癌进行病理学观察.结果表明,卵巢腺癌原发病灶位于卵巢表面,为圆形、白色的小结节,外形与未发育......
换热网络的优化设计一直是化工系统工程最活跃的研究领域,本文阐述了夹点技术工程设计的基本原理,工程要求与热动力学分析方法,对并对......
本文以云南西部横断山区(约北纬21°00′~29°00′;东经97°30′~102°00′)为研究的空间范围和尺度,在该区域蚤类区系......
选取300日龄罗曼蛋鸡768羽,随机分为2组(每组设4个重复,每个重复96羽),在自由采食、饮水和16 h光照条件下,分别饲喂添加0,50 mg/kg碘化......
针对以往考虑污垢增长的柔性换热器网络(HEN)综合方法计算复杂、求解难度大等问题,提出了改进措施:首先简化由虚拟温焓图法得到的污垢......
介绍了河南省农业现代化发展概况,分析了河南农业现代化走低碳之路的必然性、潜力与困境,指出了低碳经济视域下河南农业现代化的发......
亨利·詹姆斯早期短篇小说《德莫福夫人》反映了作者对女性的关注,表现了对意识中心叙事手法的实验性运用,该作品中女主人公的......
从泌阳凹陷下第三系湖相碳酸盐岩中检测到了丰富的并以成对分布为特征的三环二萜烷。整个碳酸盐岩剖面中有机质类型均以Ⅰ型为主,成......
本试验比较研究了富硒益生菌(Selenium-enriched probiotics,SP)和亚硒酸钠(Sodium selenite,SS)对蛋鸡肝脏、肾脏和心肌硒含量及其抗......
利用固相微萃取—气相色谱—质谱(SPME—GC—MS)联用内标法,研究基于肉鸡性别差异的传统鸡汤挥发性物质,并分别进行主成分分析。结果......
【研究目的】为了探讨镉对性未成熟鸡卵巢发育的毒性机制,从分子水平阐述镉中毒的发病机理,增强人类环境保护意识,避免畜、禽镉中......
根据恐龙蛋化石在河南省10余个盆地中纵向上的分布特点, 结合孢粉、轮藻、介形类、岩石同位素年龄及产蛋盆地的大地构造发展演化特......
选择产蛋率和体重相近的26周龄余干乌鸡120只,随机分成6个处理,对照组饲喂基础日粮,试验组分别在基础日粮中添加0.5%、0.4%、0.3%、0.......
分别从养鸡场(户)送检病鸡和屠宰鸡群中收集鸡卵巢癌病例23例,通过眼观剖检和病理组织学观察,进一步澄清了鸡卵巢的病理形态学变化特点。......
随着世界经济一体化进程的迅猛发展,资本在中国经济发展中的作用越来越重要,但是由于历史和现实的原因,中国的民生问题没有得到根本的......