成对

To avoid the low yield in direct hydrosilylation addition of allyamine, 1, 1, 1, 3, 3, 3-hexamethyldisilazane is used to protect the amino groups, and the protective groups are removed easily after hydrosilylation addition, then the high yield of ladderlike copolymethyl-aminpropylsilsesquioxane was obtained.

为了克服将烯丙基胺直接与聚氢基甲基倍半硅氧烷进行硅氢加成反应接枝效率低的缺点，探索用六甲基二硅氮烷对烯丙基胺预保护，硅氢加成反应后再脱保护，从而以较高产率制备了含胺丙基、甲基的反应性梯形共聚倍半硅氧烷。

The effect of lanthana doping and polyethylene glycol as gelatinization aid on the thermostability and BET surface of active A12O3 prepared by means of sol in water solution.

研究水溶液成胶制备氧化铝过程中，掺杂氧化镧及利用聚乙二醇助成胶对氧化铝热稳定性和比表面的影响。

We divide the evolution of becoming rocks into four periods: early region's metamorphic process and mixed lithifaction,sedimentation and becoming rocks process in middle and late Proterozonic Era and in the Paleozonic Era,trasformation process of burial hill layers in earth shell'uplift period in the Mesozonic Era, and transformation process to burial hill in the Cenozonic Era.

将储层的成岩演化划分为四个阶段：即早期区域变质作用和混合岩化作用、中晚元古代和古生代沉积成岩作用、中生代地壳抬升阶段潜山地层的改造作用和新生代断裂对潜山的改造作用。

The recently released annual report by the Lowy Institute indicates that 89% of Australians believe that China is the world's leading power in Asia but 59% are "somewhat uncomfortable" about it.

从Lowy 研究中心刚发表有关澳洲外交的周年报告显示，有九成澳洲人相信中国已成为亚洲的强国，但却有六成澳洲人对这一现象并不舒服。

In this paper, the effect of content of nano-CaCO3 nucleation agent on cell nucleation of Polystyrene microcellular plastics was studied with self-made dynamic foaming simulatorr.

本文在PS中加入不同含量的纳米碳酸钙作为成核剂，用自行研制的发泡模拟机研究了纳米碳酸钙含量对PS微孔塑料泡孔成核的影响。

So, physiological hypoxia is actually optimum condition for myogenesis. There have been few studies on effects of hypoxia on proliferation and differentiation of myoblasts up to now.

而生理性的低氧条件才是成肌发生过程中的最适条件，目前关于低氧对成肌细胞增殖和分化的影响的研究报道甚少。

To study the role of FoxO1 on myoblast proliferation and differentiation and the transformation of muscle fiber type in porcine,here we use yorkshire as experimental materials and detect the expression of genes related myogenesis and muscle fiber type in pporcine myoblast that was knockout or activated FoxO1,adopting the technology of RNAi,real time-PCR and Western blotting et al..

为探讨FoxO1对猪成肌细胞增殖分化及肌纤维类型转化的作用及机理，本试验以大白猪为研究材料，利用RNAi、real-time PCR、免疫细胞化学和Western blotting等技术，通过在原代培养的猪成肌细胞中敲除和激活内源活性FoxO1，检测肌肉形成与肌纤维类型相关基因的表达。

However, the forced expression of exogenous Smad3 did not rescue the inhibition of myogenic differentiation by hypoxia.

在研究过程中，我们发现在低氧抑制成肌细胞体外分化过程中Smad3蛋白的表达水平降低，然而，在C2C12细胞中过表达外源性的Smad3没有能够逆转低氧对成肌细胞分化的抑制作用。

Based on the time-space structure of source rock, reservoir rock and cap rock in petroleum system of Neopaleozoic in south of North China Basin, play and pool-forming unit of Neopaleozoic was divided. The matching relation between trap formation period and peak period of source rock hydrocarbon generation and expulsion was analyzed, which pointed out the future direction of hydrocarbon targets exploration in this area.

根据华北盆地南部上古生界含油气系统中烃源岩、储集岩和盖层的时空结构，进行了上古生界成藏组合和基本成藏单元的划分研究；通过对圈闭形成期与烃源岩生排烃高峰期匹配关系的分析研究，指明了今后该区油气勘探目标的选择方向。

Under the control of the entity, people live a single- dimension life, that is to say, people only say yes to the transcendent but nonempirical essence, and people who live a theoretical life have the privilege of understanding and activity.

在实体的统摄下，人成了单一维度的人——只对理念说是的人，人的生活仅仅成了理论生活，唯有过理论生活的人才拥有认识和行动上的特权。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！