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A coil forming block (208) on a coiler machine has a cavity (218) in which a terminal convolution of the coil is formed, and from which the coil is cut by a cutter (212) which extends into the cavity.

在卷绕机上的螺管成形模块(208)具有空腔(218)，在该空腔内形成螺管的终端旋圈，并且螺管在该空腔由深入该空腔内的切削工具(212)切断。

Employing the finite difference calculus, the cavitation bubble pulsating performance with the change of liquid viscosity, gas content, surface tension and condensability is obtained.

在系统地研究固壁面附近空泡溃灭过程的基础上，提出并研究了射流阈值、空泡在第一次和第二次脉动过程衰减蚀除机理以及空泡溃灭周期延长因子等问题。

Applied synthetically many new technique in domestic and overseas ,such as drilling, physical prospecting and field test etc, to evaluate scientifically the condition of goaf,the engineering characteristic of the coving peak rocks,the hollowed degree that piled up object collapsed in roof,and the stability of the goaf.

综合运用钻探、物探和现场测试等国内外多项新技术，对采空区赋存条件、覆岩层的工程性质、冒落堆积体空化程度和采空区稳定性进行科学评价；2。

Abandoned stope disposal is a technological problem widespread in the mining field in our country. In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.

采空场处理是我国普遍存在的采矿技术难题，开展空场处理研究，发展经济合理、技术可行、简便适用的空场处理方法，即迫在眉睫，又具有重大的社会、经济意义和学术研究价值。

The Large eddy Simulation is used to simulate the flow field and cavitation on an Orifice Energy dissipator. The characteristics of cavitation was analyzed. The calculated and the measured pressure distribution and the cavitation were in agreement.

采用大涡模拟方法对消能孔板流场及空化现象进行了数值模拟，研究分析了消能孔板空化特性，计算所得的压力分布及空化特性与减压模型实验结果进行了比较，二者符合良好。

The method will make a break in the theory of earth-space location; achieve space-space location .

与第一种方法相比，该方法有如下优点：(1)不需要在星载SAR的视场中使用任何位置确知的参考点，因此将真正突破现存的地-空定位理论，达到空-空定位水平；(2)其定位精度将仅仅取决于星历数据的准确性、地球模型的有效性、脉冲时延所决定的目标斜距精度、以及成像中多普勒信息的估计精度。

Results The ethanol extracts 0.48 gkg^(-1, macroporous resin eluate of aqua 0.3 gkg^(-1 and the further purification 0.1, 0.3 gkg^(-1 could hasten gastric emptying in mice. Furthermore, they restrained the inhibition of dopamine on gastric emptying in mice. They had no effect on the inhibition of atropine.

结果 醇提物0.48gkg^(-1、大孔树脂水洗脱物0.3gkg^(-1及继续纯化物01、0.3gkg^(-1对正常小鼠的胃排空有促进作用，并可拮抗多巴胺引起的小鼠胃排空的抑制作用，而对阿托品引起的小鼠胃排空抑制作用无影响。

A 2×7 factorial experiment was used to study the effects of animal and removal period of digesta(4、8、14、24、32、38、48 h) on the residual amount of dry matter in digestive tract.

为阐明鸡、鸭对营养物质利用率差异的原因，研究了禽别和消化道排空期(4、8、14、24、32、38、48 h)对消化道残留内容物含量的影响，比较食糜在鸡和鸭消化道不同部位的排空速度和排空率。

The cavitation erosion behavior of CrMnN ferri te-austenite duplex stainless steel in distilled water and 3%NaCl solution has b een investigated by using a magnetostrictive-induced cavitation facility.The fre e-corrosion potential and polarization curve under quiescent and cavitating cond ition have been measured by electrochemical technique.

利用磁致伸缩空蚀实验机研究了CrMnN双相不锈钢在3%NaCl溶液中的空蚀行为，采用电化学技术测量了静态和空蚀条件下的自腐蚀电位变化和动电位扫描极化曲线。

Based on the analysis of the gas migration law, it has proposed an idea of "gas drainage under suction in goaf" so as to provide some new theoretical basis for the performance.

在对采空区瓦斯流动规律分析研究的基础上，提出了采空区瓦斯抽放的设想，为采空区瓦斯抽放提出了新的理论依据。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。