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Because it designs forced cooling inlet cavity between body bottom oil pan mounting face and air cylinder cooling water jacket, the present invention make connecting passage distance short, and is propitious to chilled water circulate, which has the advantage of compact conformation, good cooling effect, no-vapor loc, and is a new type structural horizontal type single-double cylinders diesel engine cooling inlet cavity.

本发明由于将巧妙地将强制冷却进水腔设计在机体下端油底壳安装面与气缸冷却水套之间位置,缩短了连接通道距离,有利于冷却水的循环,其具有结构紧凑,冷却效果好,无汽阻的优点,是一种新型结构的卧式单双缸柴油机冷却进水腔。

If the installation of vaccum system is not rational,it will make noncondensable air gathering and terminal difference increasing.

通过对托电一、二期4×600 MW机组的真空分析,找出了影响双背压机组低压凝汽器真空的主要因素为,抽真空系统设置不合理使不凝结气体聚集,导致端差增大,并通过试验验证了理论分析的正确性,进而提出了解决方法。

By Giemsa--C technique, the chromosomes of Aegilops tauschii (85A-34) and Hordeum vulgare (H2) and Ae.tauschii- H.vulgare amphidiploid were all produced clear bands, the terminal band, centromeric band, secondary constrition band and rich intercalary bands were displayed distinctly, thus the corresponding Giemsa-C banding patterns were confirmed.

利用Giemsa--C带显带技术,节节麦、大麦、节节麦-大麦双二倍体都显示出了清晰的带纹,都具有端带、着丝点带、随体带和丰富的中间带,相应的确定了它们的Giemsa--C带核型。

It studied the traditional pressure plate bolt anchoring system ,filling and drainage system,and the model of dam-side layout in the rubber dam.After repeated calculation,proposed the new pressure plate bolts anchoring component using pairs of anchor bars and connect the anchor plate and the platen with high-strength bolts,compared and analysis with the traditional pressure plate bolt anchoring system.

小 摘要:通过对现行橡胶坝设计中传统螺栓压板式锚固系统、充排水系统及坝端布置模式的研究,运用对比分析的方法,经过反复计算提出采用双锚筋及用高强螺栓连接锚固垫板和压板的新型螺栓压板式锚固构件,并与传统锚固型式进行对比分析。

With the solutions of the biharmonic equation at boundary value in a semi-infinite stripe,a weighted energy function is established.

对半无限带状区域上双调和方程边值问题建立了能量衰减估计,证明了以方程的解建立的加权能量随着与区域有限端距离的增长,该能量呈指数式衰减。

According with 7th edition of API 610 standard, the performance and scope of application of chemical process pumps of model ZA and ZE are introduced, including series specifications, structural characteristics, hydraulic characteristics, and auxiliary system of common mechanical seal.

依据API 610第7版标准,综合介绍了ZA型、ZE型化工流程泵的性能和使用范围;阐述了其系列规格、结构和特点以及水力特性;详细介绍了常用的适用于介质端密封、串联密封和双端面密封结构型式的4种机械密封辅助系统。

RESULTSdiabetic rats showed typical symptoms involving elevated serum glucose and weight loss (2)The rats in DM+VaD group reacted slower and made more error numbers in Y-maze than the rats in VaD group did, with a prolonged total reacting time in a whole day.(3)More neurons with serious damages, such as edema, ischemia or pyknosis could be found in DM+VaD group than in VaD group. More disarrangement of cone neurons, obvious glia proliferation, and more neuron apoptosis were found in CA area of hippocampus. CONCLUSIONS (1)2-VO in STZ-induced diabetic rats succeeded in establishing VaD animal models.(2) The cognitive dysfunction induced by VaD rats had been deteriorated by diabetes mellitus.(3)Morphology evidences proved that diabetes mellitus aggravated brain damages induced by VaD.PART II Effect of diabetes mellitus on the cholinergic nervous systemin CA1 area of hippocampus of VaDOBJECTIVE To estimate the role of cholinergic nervous system in hippocampus during the process of cognitive dysfunction aggravated by diabetes mellitus in DM+VaD group. METHODS Observe the changes of ChAT protein by immunohistochemistry stain. Chose three rats randomly from each group at each pointat two week, four week, and eight week, then sepa

经腹腔注射链脲佐菌素诱导慢性实验性糖尿病,1周后永久性结扎双侧颈总动脉(2-VO)制作VaD模型记录术后2周、4周和8周各组大鼠的体重及血糖;应用Y-迷宫检测空间定向学第二军医大学博士论文中…丈摘…要1ia;一色恤~﹁染澎糕行HE染色观察组织病理学孪叱;胶质细胞原纤维酸性蛋白protellZ,Cf冰尸标记观察星形胶质细舱的激活情况、橄声软公点娜育票票众糯黑橄居端粗默孺篇筑价井袱第二部分糖尿病对血管性痴呆大鼠海马c心区胆碱能神经系统的影响探讨海马CAI区胆碱能神经系统在糖尿病加重确D一大鼠认知障碍中所实验动物及分组同第一部分,应用免疫组织化学染色方法现察海马CAI{介狱牛第晕军l袭拔常博粗{论义

In the fourth chapter, four new complexes of hydrazide of podophyllic acid with transition metals have been prepared. Elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA were used to characterize them. The results show that general formula of the complexes is M〓(n=0 or 2). The ligand is linked through the carbonyl oxygen and the terminal nitrogen of the hydrazide base to the transition metal ions in bidentate mode.

第四章 合成了四种鬼臼酰肼的过渡金属配合物,通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征,研究结果表明,配合物的组成为M〓(n=0或2),配体是通过羰基氧和肼基上的端氮以双齿形式与金属离子配位的。

Influence of the dentures with various major connecters on non-working abutment displacement

目的探讨上颌双侧游离端可摘局部义齿的不同大连接体设计对非工作侧基牙位移的影响。

Diplexers, a sort of three-port filter, can separate different band of frequency, and are the key component in the RF communication system.

双工器是一种三端口滤波器,起到分频和隔离的作用,是射频通信中常用的关键性器件。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。