The Time and Space Change of the Sex Ratio in China

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

A Preliminary Research on the Process in the Expansion of Long Chinese Yam Stem Tuber

普通山药分为长山药与棒山药2个变种。长山药块茎膨大进程的初步研究

Experimental Study of Poisson Ratio of Potato Tuber Tissue

马铃薯块茎组织泊松比的试验研究

Effect on growth, yield and quality of potato with whole seed tuber sowing

整薯播种对马铃薯生长发育及产量和品质的影响

Number of tubers was increased as density increasing.

单位面积块茎数随着种植密度的增大而增加。

Tuber size and tuber set were affected greatly by the environment.

环境的作用对平均单块薯重、单株薯块数的表现有较大的影响；

The Utilization Situation and Development of Root and Tuber Starch Resources in Yunnan Province

云南省块根块茎淀粉植物资源开发现状及其发展

To increase emergence days could lead to reduction of tuber yields.

出苗天数的增加可导致块茎产量大幅度减少。

A Preliminary Study on the Main Physiological Characteristics of Tuber sinense

中国块菌主要生理特性初步研究

All these contribute to increase the root tuber yield significantly.

极显著地提高了块根的产量。

Biological efficiency of potato tubers harvested for seed in different time

马铃薯不同种收期块茎作种的生物效应