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This text pressed an on trial pedestal each zero partses to carry on a detailed calculation and the school pit to the liquid in introducing the background of the topic research and the foundation of the meaning:Pass to draw up towards experimenting the pedestal system principle diagram, explain the work principle of the system and manipulate a method;Pass the calculation to the system pressure,discharge, choose the oil pump,pipeline and valve door;Pass the calculation to deliver the calories to system, make sure the physical volume of the fuel tank and choose heating apparatus with spread a hot machine;Pass to spread a design of move the system to the pump station, choose to keep the strength that the gear cone wheel gear spread to move to combine a school to check stalk.

本文在介绍课题研究的背景及意义的基础上,对液压试验台各零部件进行了详细的计算和校核:通过对试验台系统原理图的拟订,说明了系统的工作原理和操纵方法;通过对系统压力、流量的计算,选择了油泵、油管和阀门;通过对系统发热量的计算,确定了油箱的体积并选择了加热器和散热器;通过对泵站传动系统的设计,选择了直齿圆锥齿轮传动并校核了轴的强度。

This text pressed an on trial pedestal each zero partses to carryon a detailed calculation and the school pit to the liquid inintroducing the background of the topic research and the foundationof the meaning:Pass to draw up towards experimenting the pedestalsystem principle diagram, explain the work principle of the systemand manipulate a method;Pass the calculation to the systempressure,discharge, choose the oil pump,pipeline and valvedoor;Pass the calculation to deliver the calories to system, makesure the physical volume of the fuel tank and choose heatingapparatus with spread a hot machine;Pass to spread a design of movethe system to the pump station, choose to keep the strength thatthe gear cone wheel gear spread to move to combine a school tocheck stalk.

本文在介绍课题研究的背景及意义的基础上,对液压试验台各零部件进行了详细的计算和校核:通过对试验台系统原理图的拟订,说明了系统的工作原理和操纵方法;通过对系统压力、流量的计算,选择了油泵、油管和阀门;通过对系统发热量的计算,确定了油箱的体积并选择了加热器和散热器;通过对泵站传动系统的设计,选择了直齿圆锥齿轮传动并校核了轴的强度。

After above analytical theories, we combine the two part of work into an integrated model of coronal heating.

在完成了本论文的理论工作后,我们将这两个部分的理论结合起来,就得到了一个相对完整的日冕加热模型,包含了Alfven波的波源和耗散机制。

The slide rails have change civil and external conventional design logos since 1970s,effectively solves a series of problems such as billet heating temperature disproportion due to traditional slide rails'defilade and heating absorbing action,and clarifies the slide rails'design philosophy,design feature and principle of operation.

该滑轨改变了 2 0世纪 70年代以来国内外传统的设计理念,有效地解决了由于传统滑轨的遮蔽吸热作用而引起的钢坯加热温度不均匀问题,并详细阐述了这种滑轨的设计思想、结构特点和工作原理。

In order to ameliorate the dewater ability and degrease performance of restaurant garbage,and to improve the treatment effect,a complete trail series with 2 factors on 5 levels was implemented.

为了改善餐厨垃圾脱水和脱油性能,提高处理效果,对餐厨垃圾湿热工艺中的温度和加热时间等主要影响因素进行了2因素5水平的完全试验,分析了湿热处理产物的比阻、脱水率和可浮油含量等指标的变化规律,构建了餐厨垃圾固相脂质浸出反应动力学模型,研究了湿热处理参数对餐厨垃圾脱水和脱油性能的影响机理。

Some of yellow azo pigments have been synthesized by coupling of acetoacetarylide derivates with different substituted nitroaniline diazonium salts. The relationship between pigment structure and shade, m. p., and thermal stability, and the, effect of addition of surface active agent on coupling reaction product have been studied. TGA and differential thermal analysis in air of the pigments and the variance of visible spectra reflectance have also been determined.

以不同取代的硝基苯胺衍生物为重氮组分与乙酰基乙酰芳胺衍生物为偶合组分,合成数种黄色颜料,观察了不同表面活性剂对其偶合产物性能的影响;研究了颜料分子结构与色光、熔点及热稳定性之间的关系;测定了颜料热重曲线及加热试样对可见光反射性能的变化。

Combining with domestic and overseas research results, this article raised ten design principles of subterrene structure, concluded totally the problem existing in the use of overseas subterrene, and pointed out the specific materials used for the crust and the resistant element of the subterrene, gave these materials an acknowledge through experiment.

结合国内外的研究成果,提出了热熔器结构的十大设计原则,并对国外的热熔器在使用中存在的问题进行了较全面的总结。提出了选择热熔器外壳和其内部加热电阻元件的具体材料,并通过实验对所选材料给以了肯定。

A one-step method for the synthesis of aromatic indolizine derivatives byintramolecular 1,5-dipolar cyclization reaction of 2-(2-arylethenyl)pyridinium N-ylidesin the presence of an oxidant has been studied for the first time. In the presence ofelectron-deficient olefins, however, 2-(2-phenylethenyl)pyridinium N-ylides underwent1,3-dipolar cycloadditions and then aromatized in situ by TPCD to produce indolizinederivatives, indicating 1,3-dipolar cycloaddition proceed more readily than 1 ,5-dipolarcyclization in these conditions. Pyridinium disubstituted N-ylides, readily obtainedfrom corresponding pridinium and β-chlorovinyl ketone, underwent thermalintramolecular 1,5-dipolar cyclization to give indolizine derivatives easily.Indolizinecarbaldehyde derivatives were synthesized starting from 2-pyridinecarbaldehyde in four-steps involving 1,3-dipolar cycloaddition reaction.

本文首次研究了2-(2-芳基乙烯基)吡啶N-叶立德在氧化剂存在下的分子内1,5-偶极环化反应,采用一锅法合成了中氮茚衍生物;研究了这些N-叶立德的1,5-偶极环化和1,3-偶极环加成反应的选择性,发现当有缺电子烯烃存在时,优先进行1,3-偶极环加成反应,而不再发生分子内1,5-偶极环化反应;由β-氯乙烯酮方便地得到了烯丙基N-叶立德,他们在加热时进行分子内1,5-偶极环化反应而得到中氮茚衍生物;由2-吡啶甲醛为起始原料,通过1,3-偶极环加成反应等四步反应,得到了重要的中氮茚甲醛衍生物,这些反应都具有条件温和和操作简便的特点,是合成中氮茚衍生物的新方法。

Compared with conventional quenched and tempered process, Direct quenching eliminated off-line reheating and quenching, reduced processing costs and shortened process, in addition, DQ process increase hardenability ,weldability, and mechanical balance by reducing alloy elements.

本文以工业生产的转炉连铸22SiMn2TiB钢为研究对象,以实验室热轧实验为主要研究手段,对直接淬火工艺在不同轧制条件下对钢板微观组织与力学性能的影响进行了研究,同时与再加热淬火工艺进行了比较,探讨了此类钢在低温回火下提高强韧性的可能性和直接淬火工艺的机理。

Some of the examples in her book include the Tang Shan earthquake in China, which occurred on 28 July 1976, and left 650,000 people dead. The catastrophic event was preceded by an airglow, said to have been caused by Soviet ELF wave experiments to heat the ionosphere.

在其书中举出了一些例子,其中包括1976年7月28号发生的中国唐山大地震,剥夺了六十五万人的生命,但在这灾难发生之前有大气辉光现象,据说是苏联极低频电磁波试验加热电离层导致了这一惨烈的灾难发生。

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