And study the influence of welding speed and active gas for welding porosity defect.
着重研究了焊接速度与活性气体对气孔形成的影响关系。
With the help of rapid scanning Fourier transform infrared FT-IR spectroscopy, 11 IR-active gas products were resolved during the flash pyrolysis process.
用快速扫描傅立叶变换红外光谱，解析了分解过程中逸出的11种红外活性气体，给出了主要气相产物浓度随时间的变化曲线。
This calibration method is of significance to the further analysis of atmospheric transmission and the retrieval of the concentration of infrared active gas in atmosphere.
这对于进一步分析大气透过率和反演大气中红外活性气体浓度具有实际意义。
Active galaxies give off bright radiation from their cores, where gas heats up as it is compressed into a swirling accretion disk encircling the black hole.
活动星系从它们的核部发出明亮的光芒，在那里，气体被加热并压缩成一个漩涡状的圆盘，漩涡的中心便是黑洞。
One of the most active star-forming regions near Earth, N11 is part of a complex network of gas clouds and star clusters in the Large Magellanic cloud, a neighboring galaxy.
其中一个最活跃的恒星形成区域靠近地球，N11是在大麦哲伦星云(一个邻近星系)里的气云和星团所组成的复杂网络的一部分。
The team chose 140 active galactic nuclei, or AGNs, by selecting galaxies that emit a lot of X-rays, which can Pierce the galactic gas and dust that might otherwise block the nuclei from view.
课题小组选择了140个活动星系核，或简称agns，这些星系都放射出大量的X射线，X射线能穿透阻挡观测的气体和尘埃。
The interstellar cloud of gas and dust is an active star-forming region.
由气体和尘埃组成的星系云是一个恒星形成的活跃区域。
Exhaling clouds of gas, a cauldron of lava boils in the mile-wide crater of Nyiragongo, an active volcano in the Congo that threatens two million people.
伴随着巨大的烟云，在尼拉贡戈火山直径一英里的火山口里，熔岩在像一口锅里一样上下翻滚。这座位于刚果境内的活火山威胁着两百万人民的生命财产安全。
At the same charge condition, the larger mass ratio of positive and negative active materials is, the more gas produces, the higher internal pressure is.
相同的充电条件下，正极与负极的活性物质质量比越大，产生的气体越多，内压越高；
Pierce says that because this active landfill is still growing, production at the 20 year old Puente Hills landfill gas plant has not yet peaked, and averages about 50 megawatts.
Pierce说，由于这个垃圾填埋场仍在不断扩大，电厂已经运营了20年但发电量还在继续增长，平均是50兆瓦左右。
This paper introduces the structure of an inert gas -shield equipment for titanium alloy and other active metal welding , functions of its corresponding parts and its working theory.
介绍了一台适合于钛合金及其它活性金属惰性气体整体保护焊接设备的结构、各部分的功能、设备的工作原理及使用效果。
Use charcoal piece discovery of some research, active charcoal piece remove overmuch gas effectively, enrage a likelihood to bilging helpful.
使用木炭片有些研究发现，活性木炭片能有效地排除过多的气体，对胀气可能有帮助。
Officials are also dealing with eruptions at Indonesia's most active volcano, Mount Merapi, which is still spewing searing gas and hot ash.
官员们还试图应对印尼最活跃的默拉皮火山的喷发事件。该火山仍在喷发出灼热的气体和火山灰。
The method of blow, side protecting gas in laser deep welding is used to reduce the electronic density of plasma, also, the active flux in TIG can absorb electron.
激光深熔焊中侧吹保护气体方法用于降低等离子体中的电子密度抑制等离子体，TIG中活性焊剂也有吸收电子的作用。
Use the active magnetic bearings (AMB) to improve the rotary accuracy of Externally pressurized gas bearing, realize improvement of spindle rotary accuracy.
利用主动磁轴承来提高气体轴承回转精度，实现主轴回转精度的提高。
Through analysis of several years′ gas accidents and summarization of ventilation safety inspection and practice, measures and suggestions of active prevention of gas accident are put forward.
通过对山西省煤矿多年瓦斯事故的分析，结合通风瓦斯安全检查及实践总结，提出积极主动防范瓦斯事故的措施与建议。
The result is that this area was a structurally active zone. Gases in this area were mainly organic origin with occasional invasion of inorganic gas.
结果表明，该区为构造活动区，区内的天然气主要为有机成因，偶有无机气混入；
The measurement of ground gas and metal active status is a new method of geochemistry prospecting for concealed deposit and improving ore-seeking efficiency.
地气及金属活动态测量是近年来勘查地球化学领域为寻找隐伏矿床和提高找矿效果而研究的一种新方法、新技术。
Using HDS-1 fast data flashing Rn measure instrument, the gas radon was measured in the active fault(zone)or broken zone and earthquake swell of the Wequan reservoir dam location.
采用HDS-1型快速数字闪烁测氡仪，对温泉水库坝址区活动断裂（带）或破碎带以及地震鼓包等进行了氡气测试。
Experimental results were reported here regarding the gas phase conversion of CTC to methyl chloride by using transition metal salt composite catalyst embedded on active carbon.
报道了以活性炭为载体，以过渡金属无机盐为复合催化剂，在气相条件下四氯化碳与甲醇反应制备(一)氯甲烷的研究结果。
Microbes were degrading hydrocarbons, some appeared to be capable of oxidising methane, and there were genes active in the process of fixing, or converting from a gas, both nitrogen and carbon.
微生物在分解碳氢化合物，有些还能生成沼气，同时有基因在活跃地固定或转换含有氮和碳的气体。
Semiconducting metal oxides such as tin oxide (SnO2), titanium dioxide (TiO2) and zinc oxide (ZnO) are routinely used as active materials in solid state gas sensing devices.
半导体型的金属氧化物，如氧化锡(SnO2)、氧化钛(TiO2)和氧化锌(ZnO)，经常作为活性材料用在固态气体传感器件中。
Nitric oxide (NO) is a gas of small molecule with toxic properties, but it is also a biologically active substance involved in numerous pathologic and physiologic processes.
一氧化氮(NO)是一种不稳定的小分子有害气体，又是一种生物活性物质，参与了多种疾病的病理生理过程。
Acid rain, greenhouse effect, ozonosphere broken and environmental pollution, etc, do harm to man constantly, and so gas - sensors "research and development is very active".
酸雨、温室效应、臭氧层破环、环境污染等，不断危害着人类，从而，气体传感器的研究与开发十分的活跃。
Actaris is a worldwide provider of meters, systems and services, active in all utility sectors: electricity, gas, water and heat.
重庆爱拓利检测仪表有限公司是提供仪表、计量系统及服务，活跃在电、气、水及热能等公用事业领域的大型跨国公司。
Active bauxite, silicon dioxide, diatomaceous earth and ash have been found suitable for alkali removal from hot flue gas in a coal conversion system.
活性矾土、二氧化硅、硅藻土及煤灰对高温烟气中碱金属的脱除都有一定的效果。
The author presents that more active, prior detection and prevention should be made to control a reasonable and acceptable level of gas pipeline risk.
变被动为主动，变事后响应为事前检测预防，将管道运行的风险水平控制在合理的和可接受的范围内。
This paper discusses mainly the coating technics of polysulfone hollow fiber membrane for gas separation by the effect of some surface active agents.
主要探讨了一些表面活性剂对气体分离用聚砜中空纤维膜表面涂敷上的作用。
This paper discusses mainly the coating technics of polysulfone hollow fiber membrane for gas separation by the effect of some surface active agents.
主要探讨了一些表面活性剂对气体分离用聚砜中空纤维膜表面涂敷上的作用。
应用推荐