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It is shown that the stainless steel without Nickel or Chromium has good mechanical properties and good resistance to corrosion and oxidation, and properties equivalent to 304 and 305 stainless steels.

结果表明:本文所设计的无镍铬不锈钢具有优异的力学性能,良好的高温抗氧化性和耐海水腐蚀性,且达到ZG304、ZG304不锈钢的性能指标。

They shall protect the enclosed equipment against a static head of water of six (6) feet for thirty (30) minutes, dust, splashing or external condensation of noncorrosive liquids, falling or hose directed water, lint and seepage.

这种外壳应该保护壳内设备不受6英尺静水压持续30分钟的侵蚀,不受灰尘、无腐蚀性液体的喷洒或外部凝结,水瀑或软管流出的水,棉花和渗水的侵蚀。

Article 307While consigning for transport such dangerous goods as inflammable, explosive, toxic, corrosive or radioactive articles, the consignor shall, in accordance with the regulations of the State on the transport of dangerous goods, properly package the dangerous goods, affix thereto warning signs and labels, and submit to the carrier written documents concerning the name, nature and precautional measures relevant to the dangerous goods.

第三百零七条托运人托运易燃、易爆、有毒、有腐蚀性、有放射性等危险物品的,应当按照国家有关危险物品运输的规定对危险物品妥善包装,作出危险物标志和标签,并将有关危险物品的名称、性质和防范措施的书面材料提交承运人。

Article 307 When shipping such dangerous articles as are inflammable, explosive, corrosive or radioactive, a shipper shall appropriately pack the articles in conformity with the rules of the State governing the carriage of dangerous articles, and put on the marks and labels for dangerous articles and submit the written papers relating to the nature and measures of precaution to the carrier.

第三百零七条托运人托运易燃、易爆、有毒、有腐蚀性、有放射性等危险物品的,应当按照国家有关危险物品运输的规定对危险物品妥善包装,作出危险物标志和标签,并将有关危险物品的名称、性质和防范措施的书面材料提交承运人。

Due to the corrodibility of soil and roughness of corrosion protection presently, old fuel gas pipes in Shen Zhen suffer severe corrosion, confronting a great deal of accidents after more than ten years' running.

摘要由于深圳土壤的强腐蚀性和当初防腐工作的粗糙和不完善,深圳旧燃气管道遭受严重的腐蚀,经过十多年的运行,腐蚀老化严重,已经到了事故多发阶段,因此对旧燃气管道进行防护势在必行。

In a stationary exposure at 6 Chinese and 3 Swedish sites the corrosivity of coupous and the effects of environmental parameters have been investigated.

同时在中国6个、瑞典3个试验点进行腐蚀性及环境因素影响的挂片试验,对汽车底部的挂片包括采用不同的结构材料、涂漆及临时防锈剂,研究开放表面及缝隙内的腐蚀行为。

Sea water is strong erosive fluid and there are many halobios which also corrosive materials, so it is necessary to select corrosion resistant materials that make sure the operating safety and reduce the fist cost of the system.

海水化学成分复杂并含多种海洋生物,对材料具有很强的腐蚀性,为保证海水制冷热泵系统的安全可靠,并尽量降低海水制冷热泵系统的初投资,耐海水材料的选用十分关键。

The sensitivity, specificity, PPV, and NPV of ECE for BE patients undergoing surveillance were 79%, 78%, 94%, and 44%, respectively. The sensitivity, specificity, PPV, and NPV for erosive esophagitis were 50%, 90%, 56%, and 88% and for hiatal hernia were 54%, 67%, 83%, and 33%, respectively.

腐蚀性食管炎的ECE相对于BE的灵敏度,特异性,阳性预测值以及阴性预测值分别为50%, 90%, 56%,和88%,食道裂孔疝的ECE相对于BE的灵敏度,特异性,阳性预测值以及阴性预测值分别为54%, 67%, 83%,和 33%。

Rocks in these regions, known as Imdr Regio, Dione Regio and Themis Regio, were anomalously bright compared with their surroundings, suggesting that they were relatively young and unweathered by the corrosive Venusian environment.

这三个区域分别被称为&Imdr Regio&,&Dione Regio&和&Themis Regio&,这些区域的岩石相对于它们周围的岩石来说,亮度高的出奇,表明它们相当年轻,还没有被金星的腐蚀性环境所风化。

The result showed that the contents of sulfur, nickel and vanadium in the resid had different effects on cracked naphtha quality, in which sulfur content was the main factor affecting its stability and corrosion behavior.

结果表明,催化裂化原料中的硫、镍、钒含量及残炭对催化裂化的反应产物有不同的影响,其中硫含量是影响催化裂化精制汽油腐蚀性、安定性的主要因素。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力