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

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

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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。

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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。

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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

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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

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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

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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。

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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。

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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

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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

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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

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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

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Experimental Study of Poisson Ratio of Potato Tuber Tissue

马铃薯块茎组织泊松比的试验研究

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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

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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。

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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；

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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

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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。

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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

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All these contribute to increase the root tuber yield significantly.

极显著地提高了块根的产量。

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