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Abstract: There are differents ways to maintain normal navigation in navigable channel during channel enclosure for building hydropower plant.
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文摘:如何使通航河道在水电站截流至船闸正式通航期间维持正常的航运，其做法不一。 |
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Abstract: There are four phases and dozens of parameters in preheating flash butt welding technology used for great section workpiece's welding.
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文摘:用于焊接大截面工件的预热闪光焊工艺包括四个阶段。 |
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Abstract: There are lots of advantages by cold extrusion for straight knurlnut in a single process.
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文摘:直纹滚花螺母采用冷挤压一次成形新工艺，成效显著。 |
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Abstract: There are offered many ways how to improve work of a spark plug.But one of the m ost important problems has not been solved yet.This is a thermal mode operation of a spark plug.The ideal spark plug should be instantly heated at the moment of occ
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文摘:在如何提高火花塞的工作质量方面有多种方法,但是其中最重要的一个问题还没有得到解决,那就是火花塞工作的热学模型问题.理想的火花塞应该能在点火的瞬间被立刻加热,并且在接下来的电脉冲过程中迅速冷却,由此在热量的存储与散发之间取得平衡,以避免自点火.本文力图展示一种具有自动调节源于点火区域热流能力的火花塞,其技术的关键是顶部绝缘体材料,它是由蓝宝石单晶制作,而非传统的氧化铝陶瓷. |
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Abstract: There are requirements for many enterprises to repair and maintain the product easily and correctly under the guide of the system based on network.One of the key problems is the automatic generation of disassembly/assembly processes.
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文摘:通过基于网络的维修向导系统的支持，让用户方便、正确地自己进行维护维修，将有助于企业服务水平的提高，而维修工艺的自动生成则是实现网络化维修服务的关键问题之一。 |
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Abstract: There are so many domestic sewage treatment technique at present ,our country mainly adopts ways:artificial biologieal purify, natural biological purify, artificial biological purify and natural biological purity three treating technohgy.
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文摘:生活污水处理工艺较多，目前国内主要采用：人工生物净化、自然生物净化、人工生物净化与自然生物净化三大处理技术。 |
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Abstract: There are various stories about the endpoint of Zheng He's expeditions, mainly because there is no definite textual research about the places at east African coast: Bila and Suna.
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提要：关于郑和航海的终极点，学界说法多异，主要是对位于非洲东海岸的两个地名“比剌”与“孙剌”未得确考。 |
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Abstract: There is a blind zone in the history writing of m odern Chinese literature.That is the absence of feminity.This absence,caused by many factors,exists in two forms:the obvious one and the hidden one.It is a cult ural injustice which should be sub
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文摘:女性缺席现象构成了中国现代文学史编撰中的一个盲区，这种缺席呈现为显形缺席与隐形缺席两种形态，其产生具有多方面原因，是应该受到颠覆的文化的不公正。 |
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Abstract: There is a low-pressure nature gas in the brine well, the casing, well end and pipe are very corrosive because brine is accrued.
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文摘:盐井伴生有低压天然气,实现加压采输后出现气井套管、井口,输气管线被严重腐蚀的现状。 |
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Abstract: Thermal ignition of black powder and single base powder by an electrically heated wire was experimentally studied.Critical igniti on current through the wire and time-to-ignition was measured.Temperatures of the wire when ignition of powders occ
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文摘:用实验方法研究了黑火药和单基发射药在电热丝作用下的点火问题，测出了实验条件下两种药剂的临界点火电流及点火延滞期，并推算出了点火的电热丝温度。 |
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Abstract: This accomplishment of textual research on the development of Wudang Taoist medicine covers the history from the record on Wudang priests practicing medicine in early period, herb pills and internal alchemy in Song-Yuan period to Taoist medicine
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文摘:武当道教医药发展的历史经考证可反映在早期的武当道人服术行医记载、宋元时期的草木丹药与内丹术，到鼎盛时期的道教医药，以及武当道教衰落后道医为振兴道教所做的努力等方面，武当道教医药的发展对祖国医药的发展有促进作用。 |
