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Considering the skin effect and skin depth, a thin wall model and a thick wall model are derived creatively with different frequencies of discharge currents, which are used to study the relation between the spark location and the potential difference for a cuboid electrode.

本文从放电电流为任意函数入手,阐述了电极电位差法的检测原理,首次利用傅立叶级数推导了电位差与放电时间的关系,证明了放电电流为阶跃函数时,电位差与放电时间成指数关系;当放电电流中含有高频振荡时,电位差与放电时间的关系为指数曲线上叠加相移后的高频振荡;根据放电电流频率的不同,考虑到趋肤效应和趋肤深度,首创了薄壁模型和厚壁模型,研究了长方体电极下表面二维放电点位置与电位差的关系。

Its comprehensive coverage focuses on production of thick- and thin-walled, large- and small-diameter, and ferrous and nonferrous tubes, including parameters for rolling, extruding, and forming.

它的广泛报导集中在厚实与薄壁、大和小直径、亚铁和非铁质管的生产,包括辗压、挤压和形状参数。

To use the hot rolling, extrusion billet after the secondary processing, the production of small-caliber, sophisticated, thin-walled, high mechanical properties of the main pipe equipment.

以用对热轧、挤压之后的坯管进行二次加工,是生产小口径、精密、薄壁、高机械性能管材的主要设备。

In addition, the deflection of workpiece using machine strategy of cutting from both sides were smaller than that of cutting from one side.

采用在线摄影的方法,观察记录了石墨薄壁件高速铣削的加工工件断裂过程。

With this size of thin wall pipe there is not enough side support during the cutting operation and this causes a slight compression of the pipe which causes a ragged cut on the pipe.

这个尺寸薄壁管是不够方的支持,在切割操作,这起因稍微压缩管道造成了褴褛切割水管。

Analysing the influences of inherent stress to service behavior of the short concrete filled steel tube, get the series curves of short compression column with inherent stress.

钢管混凝土是将混凝土填入薄壁钢管内而形成的组合材料,是介于钢和钢筋混凝土之间的一种新型结构。

At present, enterprises continue to follow the path of plant science and technology, and actively organize human and financial resources, the full completion of "large, thin-walled, voltage transformer shell" of the National Torch Program and the "new type of oil-immersed transformer Express aluminum shell body to create" the Jiangsu Provincial Torch Plan.

目前企业继续走科技兴厂之路,积极组织人力财力,全力完成《大型、薄壁、耐压互感器壳体》的国家火炬计划和《新型油浸式互感器铝壳体快速制造》的江苏省火炬计划。

Based a pair of self-invented clamps, a series of strain fatigue tests at 400℃ based on thin-walled tubular specimens of N18 alloy were carried out.

应用新型自研夹具对N18合金薄壁短管进行400℃下的单轴拉伸和等幅低周应变疲劳试验。

Suco guardrail all high-quality raw materials of steel Q195-Q235 hot-dip zinc tube as a substrate, the material strength is far superior to ordinary cast iron, welding parts, stainless steel thin-walled tube, PVC plastic pipe; with superior impact resistance andcapacity is not easy to break under the impact, brittle fracture, deformation, products widely used with the zone / plant; School / organ; community / villas / buildings; ports / terminals / bridges; municipal roads; airport; military powerhouse; sports facilities, etc.

苏科护栏所有原材料选用优质钢材Q195-Q235热浸锌管作为基材,其材质强度远远优于普通铸铁、焊接件、不锈钢薄壁管、PVC塑管;具有超强的抗冲击和抗腐能力,在冲击下不易折断、脆裂、变形

The main products for the vehicle side bars, exhaust manifold, into the trachea, bumpers, and other cold-bend processing, the company has world-class computer numerical control machine automatically bend, bend forming the entire pipeline, and the corresponding Supporting the processing equipment; difficult for the stainless steel tube bending have a certain capacity and product quality, management and treatment of high demand.

主要产品有汽车侧面护杠,排气歧管,进气管,保险杠,中冷器及其他弯管加工等,公司拥有国际一流的电脑数控自动弯管机,整套弯管成形流水线,及相应配套的加工设备;对高难度的不锈钢薄壁管弯曲具有一定的能力,并对产品的质量,管理及处理有很高的要求。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。