本文阐述的是，铜及其合金精密零件氢气保护扩散钎接焊工艺问题。
This paper describes hydrogen shield diffusion braze welding technology for precise parts of copper and compound metal.
旅行者应遵从预防感染扩散的简单建议，如注意呼吸道卫生等，保护自己和他人。
Travellers can protect themselves and others by following simple recommendations aimed at preventing the spread of infection such as attention to respiratory hygiene.
旅行者只需遵从预防感染扩散的一些简单建议，即可保护自己和他人。
Travellers can protect themselves and others by following simple recommendations related to travel aimed at preventing the spread of infection.
作为抗氧化剂，番茄红素可以保护细胞结构和DNA远离自由基的影响——自由基是一种会破坏健康细胞、使癌细胞扩散的微粒。
As an antioxidant, lycopene protects cell structures and DNA against the nefarious effects of free radicals-small particles that damage healthy cells and allow tumor cells to develop.
因此，防范银行风险，保护存款人的利益，防止发生挤兑及其引起的风险扩散，从而稳定金融体系，在我国具有十分重要的意义。
So, it is very important to prevent the risk of banking, protect the depositor's interests, avoid the run on a bank and the spread of financial crisis, thus keep the financial system steady.
也有利于环境资源的保护、技术扩散和人力资本的形成。
It also benefits to protect the environment and natural resources, and accelerate the technological diffusion and human capital formation.
结果表明：在保护奥氏体化过程中钢样中氢的化学势比气氛中高而导致钢中的氢向保护气氛中扩散。
Both experiments and calculations re-veal that the hydrogen diffuses from the specimen to the atmosphere in the austenising process.
在依附于大国保护其安全的机制中，澳大利亚在军备控制、裁军和核不扩散政策方面是一个较为被动的旁观者。
In the dependent regime of safety provided by the powerful nation, Australia has become a relatively passive on-looker in the fields of the arms control, disarmament and the nuclear non-proliferation.
磨砂技术- - -能均匀扩散使光线柔和，起到保护眼睛功能。
Frosted technology — It could make the light more soft through the homogeneous diffusion, in order to protect eyes.
数值实验结果表明，新的扩散滤波方法可以更好地考虑图像的局部特性，从而完成细节保护和噪声消除的双重功能。
The numerical results show that the new method takes the local feature of the image into good account and can accomplish both detail-preserving and noise-removing.
因此促进森林植被的恢复和建立210国道便于扩散的走廊，是实现保护区内(尤其是东部地区)羚牛能够长期生存繁衍十分重要的管理对策。
Habitat restoration and building corridor over the 210 highway will be the very important management strategies for the conservation of Golden takins in the east part of Qinling Mountains.
它可以减少液体、固体和气体界面间的表面或界面张力，容易在水或其他液体中混合或扩散，因而广泛应用于环境保护等领域。
It can reduce the surface tension between liquid, solid or gas. Because of being mixed or diffused easily in liquid, it has been widely used in environmental protection.
大气污染长期扩散模型（ISCLT3）是高斯 模型的一种，是美国环境保护署强制推荐的大气污染扩散 模型，并称为法规 模型；
Long-term diffusion model of atmospheric pollutant (ISCLT3) called regulatory model is a kind of Gaussian model recommended by U. S. Environmental Protection Agency.
采用不同配比的保护气体，在水冷铜模中堆焊焊缝金属，获得不同扩散氢含量的熔敷焊缝试棒。
Deposit metal samples are prepared by GMAW shielded with different gases in copper mould with water cooling.
通过设计扩散系数为梯度模及曲率的函数，提出了一种保护角点的非线性扩散滤波模型。
A corner preserving nonlinear diffusion filter is proposed, whose diffusion coefficient is the function of the gradient and the curvature.
高含硫气田井喷有毒气体扩散对周围居民的危害很大，通过安全防护距离的方法保护井口周边群众是国内目前比较认同的做法。
Poison gas from High sulfur gas field blowout is so dangerous to dweller nearby. It was deemed right to prevent the people from death in inland that setting up safety distance abound the well head.
高含硫气田井喷有毒气体扩散对周围居民的危害很大，通过安全防护距离的方法保护井口周边群众是国内目前比较认同的做法。
Poison gas from High sulfur gas field blowout is so dangerous to dweller nearby. It was deemed right to prevent the people from death in inland that setting up safety distance abound the well head.
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