查询词典 arc hyperbolic function

This phenomenon is located in the Gulf of Venezuela, Maracaibo Kata Map Mbo river mouth, which is the Cloud Layer between cloud lightning, in the 5 km altitude to form a voltage arc, each successive 140-160 a night, every night for 10 hours or so, the arc voltage per hour to 280 times the usual intensity.

该现象位于委内瑞拉马拉开波湾的卡塔图姆博河道口，这是云层对云层间的闪电，在5千米高空处形成一个电压弧，每年持续140-160个夜晚，每晚持续10个小时左右，其每小时的电压弧强度是平时的280倍。

A rectifier used in high-voltage direct current power transmission systems and industrial processing between about 1909 to 1975 is a mercury arc rectifier or mercury arc valve .

汞弧为整流高压直流电源传输系统中的使用和工业加工 1909年到 1975年之间是汞弧整流器或汞弧阀。

In this paper, the main features of the ion plating technology with multiple ARC sources and a series multi-arc coating equipment are described. It is proved that the tool life coated TiN would be 11 t...

本文论述了电弧蒸发源和多弧离子镀的特点，介绍了国内首次研制的DHD—800多弧刀具镀膜设备及其系列产品，工艺试验表明一次装炉φ6mm钻头 800支， TiN膜厚2um，硬度2000Hv，寿命提高 11.2倍。

The important influencing factors for SWNTssynthesis using electric arc are studied, such as ratio of catalyst, current intensity for arc,presure of noble gas and catalysts variety.

探讨了催化剂种类、催化剂配比，助长剂的添加及打弧电流等因素对合成的影响。

In order to reconstruct the paleo-tectonic history,the ophiolite suite in combination with the arc igneous rock assemblage is necessary to be used and the cause of the compositional polarity for the arc igneous rocks is discussed.

指出由蛇绿岩套再造的古构造历史可能是残缺的，结合弧火成岩的厘定可在某些方面弥补这个不足，讨论了弧火成岩组成极性形成的可能原因。

On the basis of practical exploration and design of NC plasma arc cutter, this paper studies into the technology of NC plasma arc cutting at high speed and accuracy.

论文是在数控等离子弧切割机开发设计的实践基础上，对高速、高精度数控等离子弧切割技术进行了研究。

Based on the arc length formulae of the parallel to the easement curve and its property, this paper gives the parameter equations of the parallel to the easement curve taking the arc length itself as variable.

基于缓和曲线平行线弧长公式及其性质，给出了缓和曲线平行线以其自身弧长为变量的参数方程。

And the late Triassic bimodal association reflects the characteristics of intracontinental rift setting, the early Jurassic Raohe ultramafic - mafic rock - pillow lava association represent the environmental characteristics of oceanic island, magmatic arc association represent the characteristics of island arc and active continental margin with the background of the plate subduction, middle Jurassic syn-orogenic granodiorite-granite association reflects characteristics of matching and orogensis after continental accretion.

其中晚三叠世双峰式组合反映了板内裂谷成因特征，早侏罗世饶河超镁铁质-镁铁质岩-枕状熔岩组合代表了洋岛环境特征，岩浆弧火成岩组合代表了板块俯冲背景下岛弧和活动大陆边缘特征，中侏罗世同造山花岗闪长岩-二长花岗岩组合反映了陆缘增生后拼贴造山的成因特点，它们总体上代表了由被动陆缘裂向活动陆缘转化并最终发生陆缘增生带拼贴造山的一个演化过程，其间伴随有被动陆缘深海盆地沉积、活动陆缘弧后前陆盆地沉积和陆相类磨拉石建造

The slide area of the embankment filled with soil is circular arc form , so the circular arc method is the most reasonable method to analyze the stability of its slope . The slide area of the reinforcement embankment is polygonal line form .

浸水高填方加筋路堤的滑动面是发生两次偏转的折线，因此用折线法分析浸水高填方路堤加筋路堤的稳定性更为合理。

Keywords: plasma arc;reflex arc;penetration control

中文关键词：等离子弧；电弧反翘；熔透控制

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。