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With basis of lots previous research, and considerations of high pressure jet grouting mechanism, influence factors and solid mechanics, with research methods like theoretical analysis, num erical simulation, field experiments and so on, here in this paper gives further study about working mechanism and influencing factors of horizontal grouting.

论文在大量前人研究成果的基础上,从高压喷射注浆加固机理、影响因素、固结体基本物理力学性质入手,运用理论分析、数值模拟和现场试验等多种研究方法,对水平旋喷技术的作用机理与影响因素进行了较为深入的研究。

The factors include the material, the structure, the refractive index distributing, the length, the diameter, the num erical aperture,thermal effect and the coupling of optical fiber.

这些因素主要包括光纤材料、构造、光纤的折射率分布、光纤的长度和芯径、光纤的数值孔径和热效应以及耦合等。

Transform of CAD graphics; CAD num erical control program t echnology; simulation

控制造加工&的全过程。帮助学生建立&思维—图样—模型—实际产品的现代

The mathematical model of deflagration to detonation transition for coke p owder and oxygen mixture in one-dimensional closed system was established on th e basis of chemical reaction and two-phase reaction fluid mechanics theory. Num erical simulation of the process was successfully made through coordinate transf ormation and two-step display differential schemes.

根据化学反应和两相反应流体动力学理论,建立了焦炭粉-氧气混合物燃烧波在一维封闭空间内的爆燃爆震转捩现象的数学模型,运用坐标变换和M acCormack两步显式差分格式,成功地完成了过程的数值模拟。

Physical and numerical models were establishedased on NˉS c ontrol equations and RNG kˉεturbulence model, the interior flow fields of the nozzles were analyzed through num erical method, both the flow parameters change trend and thrust speciality of the asymmetry quadrate nozzle were resea rched.

文中建立了非对称方形尾喷管及传统轴对称尾喷管的物理数学模型,基于N S方程和RNG kε湍流模型,对两种尾喷管三维内流场进行了数值分析,研究了非对称方形尾喷管内部流动参数的变化趋势及其推力特性。

The impo rtance of so lu t ion s of A lgeb raic R iccat i Equat ion s are simp ly show n. Som e good num erical m ethods fo r AREs are described, st ressing som ew hat at the wo rk of the au tho r. Fu rther study t rends are also m en t ioned.

简单说明解两类代数R iccat i 方程的重要意义,简要综述自80 年代以来在发展它们的数值解法方面的一些研究进展,偏重作者在这方面所做的一点工作,指出今后在这方面研究的方向。

OBJECTIVE, To study the direction, route and num- ber of SLCs and their relationship with SLN after subareolar injection of methylene blue and technetium 99m sulfur colloid (^99m Tc-SC), and to explore the mechanism of sentinel lymph node biopsies produce false negative results in breast cancer patients and the method to improve the detectable rate, METHODS: ^99m Tc-SC was injected preoperatively, and methylene blue was injected by the same subareo-lar route just after anesthetic induction, and then SLNB was carried out according to SLCs in 93 breast cancer patients.

目的:通过乳晕下联合注射^99m Tc-SC和亚甲蓝,研究前哨淋巴通道的行走方向、途径、数量及其与前哨淋巴结之间的关系,以探讨乳腺癌SLNB出现假阴性的机制,并提出提高其检出率、减少假阴性的方法。

Nine tenths num.

十分之九差不多全部

D Num., xxxiii, 1-2: These are the mansions of the children of Israel, who went out of Egypt by their troops under the conduct of Moses and Aaron, which Moses wrote down according to the places of their encamping.

三十三, 1月2日:这是红楼梦的儿童以色列,谁走出埃及其部队的行为摩西和亚伦,这摩西写下根据地方的

This is especially important for wireless keyboards that have no Caps and Num Lock indicators.

这是特别重要的是无线键盘,没有帽子和数量锁定指标。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?