Consideration of the Present Sex Ratio in Chongqing Municipality and Solutions

Effects of in vitro Culture Systems on the Bovine Embryo's Sex Ratio

体外培养体系对牛体外受精胚胎性比的影响

And no difference in sex ratio was observed.

成虫性比也无显著差异；

Investigation and Analysis on the Unbalance of People's Sex Ratio of Russia

俄罗斯人口性别比失调问题探析

An analysis of the present situation of Qingdao ′ s birth sex ratio

出生婴儿性别比分析与思考

A Legal Reflection on Balancing the Sex Ratio in China

关于平衡我国性别比的法律思考

Three Elements Backing High Sex Ratio at Birth in China

引起中国出生性别比偏高的三要素

The sex ratio also changed with environmental temperature.

成虫性比随环境温度变化而变化。

The population sex ratio is on the high side.

人口性别比偏高；

Study on the Level and Data Quality of Sex Ratio at Birth of China

中国出生性别比水平与数据质量研究

The Time and Space Change of the Sex Ratio in China

我国人口性别比的时间空间变化

There was no difference in age distribution and sex ratio between the two groups.

两组间年龄分布和性别比率无差异。

A distorted sex ratio will result in many social problems.

一个被毁坏的性别比率将导致许多社会问题。

The Key Factors Affecting Tuber Development of Potato in vitro and the Relation with Protein Fractions

马铃薯离体块茎发育过程中的关键因子及其与蛋白质组分的关系

The Effect of Storage Temperature on Carbohydrate Content and Chip Color of the Potato Tuber

马铃薯块茎贮藏温度对其碳水化合物含量及炸片色泽的影响

Fabrication Technology of Master Tuber Sheet for HPHT Fly Ash Filter

高温高压飞灰过滤器主管板的加工制造

Objective To evaluate the clinical efficiency of a novel double-cavity gastric tuber.

目的评价新型双腔胃管临床应用的效果。

Change of soluble protein in the potato tubers was analyzed after induction.

分析了诱导处理后块茎切片中的可溶性蛋白变化。

Study on the optimal combination of inducers in vitro potato tubers

马铃薯试管薯诱导因子最佳组配的研究

Mineral content in potato tubers and their effect on bacterial soft rot

马铃薯块茎中一些矿质元素的含量及其在软腐病发生中的作用

Comparison of Protein Extraction Methods from Potato Tuber

几种提取马铃薯块茎蛋白质方法的比较研究