In the field of stem cell research, SP (side population) phenotype is used to define the property that cells maintain a ......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

为提高红地球葡萄延迟栽培中果实质量和产量，于成熟期进行了氨基酸液肥灌根。结果表明，灌根后比对照的果实粒重、穗重、产量、可溶性......

[Objective] The research aimed to provide technical basis for fry rearing of Silnrus asotus in Dongting Lake.[Method] Th......

斑马鱼的成熟卵子处于第2次减数分裂中期,精子通过受精孔进入卵内,精子入卵后,卵子被激活;受精后3 min,精核位于卵质膜内侧边缘,处......

为探究施肥对燕麦鲜草、秸秆和种子产量的影响,找出限制燕麦鲜草、秸秆和种子产量提高的养分因子,筛选出实现经济效益最大的施肥配......

在扫描电镜下,泥鳅成熟卵卵膜孔外围呈现完整的左涡旋状结构,受精时精子是顺着涡旋的流线进入卵膜孔。涡旋纹理接近对数螺线。本文......

The present study was conducted to explore ways of JIVET research on Texel sheep,and to provide technical support for th......

This study aimed to investigate the morphological characteristics of Percocypris pingi pingi( Tchang) at the embryonic a......

This study aims to evaluate the production cost of Heterobranchus longifilis larvae reared in fertilized fish ponds. Exp......

In-field proximal sensing of most major crops nutrients still remains an economical and technical challenge. For this pu......