比较研究

The results showed that the homologous alignment of ITS sequences was lower than 75% between genus Bupleurum and outgroups.

的观点。同时，本论文比较研究了中国柴胡属药用植物rDNA ITS序列的差异和规律。

Pathogenicity of 31 field strains of infections bursal disease viruses isolated during 1997-2001 in China was compared in SPF chickens at different ages.

为了弄清我国各地流行的IBDV毒力程度，在3—7周龄SPF鸡进行人工感染的致病性试验，以此比较研究了1997—2001年期间从我国不同地区分离到的31个IBDV野毒株。

Use tertiary system method to screen and optimize JLNCAO substrate, and use heat and dry under atmospheric pressure method, ignition residue method, The Casparian law of trace nitrogen, acid...

运用三级系统筛选法对菌草培养基进行筛选优化；用常压加热干燥法、灼烧法、微量凯氏定氮法、酸性洗涤剂法、氨基酸自动分析仪、原子荧光光谱和原子吸收光谱、乙酰丙酮法和热水提取多糖法分别对菌草香菇和木屑香菇的水分、灰分、蛋白质、纤维素、氨基酸、重金属、甲醛、香菇水溶性多糖等的含量进行比较研究。

Comparative study on karyotypes of three species of Casuarina in Fujian.

标题 福建省三种木麻黄的核型比较研究。

To explore the quality and biological behaviour of transitional ceil carcinoma of the bladder and precancerous lesion transitional ceil papilary of the bladder.

应用流式细胞术和细胞图像光度术测量和分析膀胱移行细胞癌Ⅰ级与移行细胞乳头状瘤细胞核DNA含量和倍体增殖状态，进行比较研究。

Chapter Ⅴ establishes the spatial model of the medium-low speed maglev vehicle to calculate the lateral dynamic response in the cases of passive guidance and active guidance, the centrically arrangement and offset arrangement of electromagnets. As a result, the comparative analyses indicate active guidance can improve evidently the lateral dynamic performances of maglev vehicle.

本文第五章建立磁浮车辆系统的空间耦合模型，并考虑电磁力的空间耦合作用，比较研究了主动、被动导向和电磁铁横向对中、错位布置下磁浮车辆的横向动力性能，为低速磁浮车辆电磁铁导向结构设计及控制方式的参数选取提供动力学理论依据。

A comparative study on function and membrane proteins of chloroplasts of three species of Cephalotaxus in late winter.

Title 三种三尖杉属植物越冬期光合器的功能和膜蛋白成分的比较研究。

A comparative study on function and membrane proteins of chloroplasts of three species of Cephalotaxus in late winter.

标题 三种三尖杉属植物越冬期光合器的功能和膜蛋白成分的比较研究。

And all the submerged macrophytes absorbed total phosphorous in water effectively and the removal rate of Ceratophyllum demersum with 9175％,9244％ in the Spring and Summer experiment respectively,was the best.

采用人工模拟方法，选取武汉市东湖的春季优势种金鱼藻、伊乐藻和菹草，夏季优势种类金鱼藻、狐尾藻和苦草，在春夏两个季节分别对东湖重度富营养化水体磷的去除效果进行了比较研究。

Through analysis of clinical data,a comparative study of break down of chondral plate and annulus fibrosa were carried on.

通过临床资料分析，作者对软骨板破裂症与纤维环破裂所致的椎间盘突出症进行了比较研究。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。