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Summary of Background Data. Pedicle or anterior screw fixation is commonly used with interbody deice fixation.

在48块胸腰椎椎体中,选用椭圆形或者四叶状的锯齿边缘的压力器,接触椎体的面积约为40%的终板面积,作轴向压迫。

Four detergents above mentioned didn't denature P450 of microsomes in midgut and fatbody at concentration of 0.5%.

在0.5%浓度下,四种去垢剂均未使中肠和脂肪体微粒体P450变性。

They had suppressed the cathodic process of carbon steel electrode. Their inhibition performance was also related with their molecule stereo conformation and electron configuration. Four of bis-(1, 1'-benzotriazoly)-α,β-diamide compounds linked via-CO 〓CO-chain were synthesized and certified by IR and 〓H-NMR. The minimum energy conformations of these compounds were obtained by MM2 forcefield program. The two benzotriazole moiety in BBT1 was more planar than in other compounds. This was beneficial in increasing the inhibition effects of BBT1. In 0.5M H〓SO〓 solution, BBT1 suppressed anodic corrosion reaction. In 3%NaCl solution, BBT1 suppressed both cathodic and anodic corrosion reactions. 1- [ (1'-imidazolly)-methyl] benzotriazole was synthesized by Mannich reaction.

合成了四个通过-CO〓CO-连接的双(1,1'-苯并三唑)-α,ω-二酰胺化合物,采用MM2分子力学程序优化了它们的分子结构,双(1,1'-苯并三唑)-α,ω-二酰胺化合物的缓蚀作用与其分子内两个苯并三唑单元的空间取向有关系,良好的平面性有利于苯并三唑二聚体的吸附和缓蚀作用,苯并三唑二聚体BBT1分子内两个苯并三唑单元近似平行,所以显示出较好的缓蚀效果。0.5M硫酸中BBT1主要抑制铜的阳极溶解的电化学反应;3%NaCl溶液中,BBT1对铜的阳极溶解和氧的阴极还原过程均有抑制作用,相比较而言对阴极过程的抑制作用更大一些。

Pathogens were diplococcus, nongonococcal germ, mycoplasma urealytium and chlamydia trachomatis and the rate was 5.72%、73.77%、14.25% and 6.26% respectively.

病原体为淋球菌、非淋球菌细菌、解脲支原体和沙眼衣原体共四类,分别为5.72%、73.77%、14.25%和6.26%。

There are obvious difference on morphology and cytology between polypoid and diploid.

四倍体与二倍体在形态学和细胞学上有明显差异。

The results showed that meiosis of the tetraploid melon was similar to that of diploid melon with some special behaviors.

结果表明:同源四倍体甜瓜花粉母细胞减数分裂过程与二倍体类似,但有其特殊性。

This paper also discusses the mechanism of occurrence of these aberrant embryos and discusses their relationship to diploid–tetraploid mosaicism.

文章也讨论了这种异常胚胎的发生机制,以及它与二倍体-四倍体嵌合体的关系。

ABSTRACT Objective: To determine polysaccharide contents in different intervarietal of diploidy and tetraploidy Banlangen, and to provide scientific evidences for developing and utilizing resources of Banlangen.

第二军医大学学报991015 摘要目的:测定二倍体的不同品系与四倍体板蓝根中多糖的含量,为综合利用板蓝根资源提供科学依据。

Punctata have been confirmed to have both diploidy and tetraploidy.

punctata被证明同时含有二倍体和四倍体。

Compared with diploidy , the seedlings of Pasthyrostachys juncea with tetraploidy have stronger viability , higher nutrient contents and better tolerance of lower temperature , drought and other extremely environments .

与二倍体新麦草相比,染色体加倍后的四倍体新麦草的种苗生活力强,种子营养成分含量高,对低温,干旱等极端环境的适应能力强。

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。