目的：比较脑啡肽（ENK）在雄性黄雀与白腰文鸟发声核团和听觉中枢内的分布差异。
Objective: To compare the distribution of enkephalin (ENK) in the vocal and auditory nuclei of male Carduelis spinus and Lonchura Striata.
这种珠核物化性质与现有贝、蚌壳珠核相近，具有颜色白、光泽强、外形圆和价格低廉等特点。
Beside having similar properties to mollusc shell nuclei, the new pearl nuclei possess some advantages such as white color, strong luster, round shape and cheap cost.
对采用辐射诱变获得的带有叶色白转绿特性的水稻光温敏核不育系“W1”的遗传及其生物学特性进行了研究。
Inheritance and main agronomic traits of photo-thermo-sensitive genic male sterile line W1 with a greenable albino leaf was investigated.
该载 体是一种环状载体，包含原核复制起点、真核复制起点、筛选标记基因和绿色荧光蛋 白基因表达盒；
The vector is in ring shape , comprising a procaryon replication origin, two eucaryon replication origins and selective marker genes, and two green fluorescent protein gene expression cassettes;
该载 体是一种环状载体，包含原核复制起点、真核复制起点、筛选标记基因和绿色荧光蛋 白基因表达盒；
The vector is in ring shape , comprising a procaryon replication origin, two eucaryon replication origins and selective marker genes, and two green fluorescent protein gene expression cassettes;
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