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By systemic researching and simulating experiment, the text gains such results as follows,1. On the base of sufficiency research on the oil-gas hydrocarbon systemic chemistry composing and the physical chemistry characters, we traverse the mechanism of the paraffin's deposition. Then we consider that paraffin deposition is a complex process ofphysical chemistry, which includes more than one single mechanism.2. Traversing and comparing the literature in detail on different factors that has effect on paraffin deposition, the available experimental methods on paraffin deposition, prevention of paraffin deposition, and removing of the deposited paraffin on the spot.3. Ameliorated the laser equipment of solid particle inspecting system and the corresponding test methods. Determine WCT of dead oil and live oil from KS101 well under different pressure with this system. The result implies that dead oil has opposite regulation on paraffin deposition temperature to live oil.4. A vapor-liquid-solid envelop is drawn by superposition regular vapor-liquid envelop and WCT curve thereby explained that the departure and quick raising of the curve in the low temperature zone is caused by the appearance of paraffin in solid phase.5. Estimation is made to determine the depth of paraffin deposition in the well.

通过系统的研究和实验模拟,本文取得了以下研究成果:(1)在充分调研油气烃类体系的化学组成及其物理化学特征的基础上,详细研究了石蜡沉降的机理,认为石蜡沉积是一个复杂的物理化学过程,是多种机理共同作用的结果;(2)深入调研并综合阐述了影响石蜡固相沉积的各种主要因素,对目前国内外常用的有机固相沉积实验研究方法和现场清防蜡措施也做出详尽的描述,并加以对比评价;(3)改进了油气藏开发重点实验室自行研制组装的高温高压下测定固相沉积的激光装置和测试方法,并用该套设备测定出柯深101井的井口脱气油样和凝析气平衡油样不同压力下的析蜡点,实验结果表明,脱气油和平衡油析蜡规律相反;(4)将常规气-液两相相图和析蜡曲线叠加得到了气—液—固三相相图,从而解释了气-液两相等液量线在低温区域偏离正常并快速上翘是由于体系有石蜡固相出现;(5)利用实验测试的析蜡温度预测析蜡位置,表明只有在距井口465m油管以上会有蜡析出。

Architecture description languages and their accompanying toolsets have been proposed as the answer. The XYZ/E is an executable linear temporal logic language. It can represent both dynamic and static semantics of systems. Basing on XYZ/E, the executable linar temporal logic language, we provide an architecture description language XYZ/ADL, which can represent both high-level abstract specification and the concrete implementation, thereby provides premise for the smooth transition from specification to implementation. And it can represent both the specification and the inner structure of a component under the unified logic framework, owing to the representability of the XYZ/E.

本项目研究旨在根据XYZ系统的特性,在时序逻辑语言XYZ/E的基础上,提出一种支持在XYZ系统中设计软件体系结构的描述语言XYZ/ADL,使之不仅能够对软件体系结构进行精确的形式化描述,而且为对其进行求精、验证、演化和分析提供基础,从而能在统一的时序逻辑框架下描述组件的规范和它的内部结构,并逐步过渡到最后的算法实现,从而能够支持软件开发设计的逐步求精全过程,把原有的两种支持软件开发的方法即支持模块化程序设计的方法和支持从规范到算法实现的逐步求精的方法有机地结合起来。

And the community social insurance should be an organic working system, which not only can match with the whole social insurance system and make it materialize and extend to the basic level, but also can develop its function of mutual helping and self-insurance.

研究表明,社区社会保障体系应当是一个既能与整体社会保障制度框架相配套,将社会保障制度向下延伸和具体化,又可以发挥社区互助互济、自我保障功能的有机运转体系。

Different surface modifiers (benzoate, stearine acid and organosilane) were used to treat plant cellulose/polypropylene composite systems. Effects of surface treatment agents on mechanical properties ( tensile strength and impact strength) were studied.

采用不同的表面改性剂(苯甲酸、硬脂酸、有机硅烷)对植物纤维/聚丙烯复合体系进行了处理,研究了表面改性剂对体系力学性能的影响规律,探讨了复合材料界面粘接机理,分析了力学性能的变化规律。

The pores were hexagonally ordered and narrowly diameter-distributed (95±13 nm in comparison with those produced with normal electrolytes using water as the sole solvent

结果表明,有机溶剂贫水电解质体系使得电氧化电压的选取范围比水溶液电解质体系更宽,孔径连续可调,反应条件温和。

The concentration of liquid hydrocarbon B is 10%.the dosage of hydrophobe is 15%~20%. The condensation and used environment of defoaming agent were studied ,the experiments show that self-made defoamer can be the same with many bubbly systems,such as anion, zwitterions, Nonionic bubbly liquid et al.and it can be used from acidity to alkalescence conditions.the fitting dosage is 9‰~10‰to polyester,6‰to siloxane-polyester copolymer,and 3‰to mulriple defoamer.

对消泡剂的投加浓度、适用环境等作了相关应用研究,结论为:消泡剂适用的起泡体系较广,阴离子、两性离子、非离子型起泡液均可使用;适用PH值范围可从酸性至弱碱性,适宜加入量为(以占起泡体系的体积分数计):聚醚酯消泡剂9-10‰,有机硅改性聚醚酯消泡剂6‰,复配消泡剂3‰。

For this reason, theC〓/ donor PET system in aqueous medium will serve as the high efficient modelsystem to simulate the natural photosynthetic system.3 Photolysis and photooxidation of N-phenyl naphthylamines and photoinducedisomerization of alkyl isonitrile Reaction intermediates produced during the photolysis and photooxidation of N-phenyl naphthylamines were determined by spin trapping-ESR technique.

由于包容物导致的空间距离作用和水分子对离子对电荷分离所具有的溶剂化稳定作用,水相体系中C〓阴离子寿命相对于有机均相体系C〓阴离子的寿命成数量级地显著增长。

Moreover, the traditional catalytic oxidation system of isophorone contains metal and organic solvents, which cause environmental pollution.

另外传统上对异佛尔酮的催化氧化基本都是包含金属的催化体系和有机溶剂参与的反应体系,这对环境污染产生严重的影响。

On curing, the -NCH〓OH groups of PNMA film would condense with each other to form a network of PNMA in which the PA molecular long chains were be"tightened"in bundles, or be confined in the meshes of the networks. 2. During the developing process of the low-temperature curable, non-formaldehyde PA latices, the monomers were chosen based on the organic/inorganic ratios, and the co-polymerization reactivity ratios. The effects of crosslinking monomer A and B were also compared.

从物质的有机性/无机性值,以及多元单体发生共聚的条件出发,通过比较交联单体A与B的性能,发现采用交联单体A的胶乳的性能良好,确定了一个由软、硬及交联单体A等多种单体组成的混合体系在阴/非离子组成的复合乳化体系中进行乳液聚合制备所要求的低温无甲醛PA胶乳的配方。

However, this system still has its shortcomings: it's not complete and not be run in a organic way, it becomes a mere formality and leck of social participationess .

但是,现有工作体系中仍存在问题和不足:体系自身不完整且没有实现有机运作,工作有流于形式之虞且社会参与少。

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推荐网络例句

What are your goals and strategies for growth?

你的成长目标和策略是什么?

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3:1 你要写信给撒狄教会的使者,说,那有神的七灵和七星的,说,我知道你的行为,按名你是活的,其实是死的。

"It is a testament to making sure unemployment compensation is available, making sure we are looking out for people who have lost their jobs," she said.

"这是个实证,证明我们必须确保人们都可以得到失业补偿,确保那些失去工作的人们得到照顾。"