防护的

For 16-hour shifts, workers in Bangladesh's largest shipbreaking zone are sent with little protection or guidance into other nations' aging vessels to pull their hulls apart by hand.

在这个孟加拉最大的轮船拆卸区，这些工人每天16小时轮换工作，不带任何防护措施，没有任何作业指导，把来自其他国家的破旧的轮船生生用手拆开。

It has gold rings, a silvered collar round its neck and a silver protective wedjat eye amulet.

它有金戒指、围绕它的脖子的一个变成银色的衣领和银色防护wedjat眼睛护身符。

The study carried out a survey on the current situation of the safety and health prevention and protection in the production and the use of the man-made mineral wools based on the requirement of the ILO Code of Practice, Safety In the Use of Synthetic Vitreous Fiber Insulation Wools(glass wool, rock wool, slag wool).

3万篇免费论文，近200个详细分类，为你的论文写作排忧解难。点击进入本文围绕"安全使用合成玻璃纤维隔热棉实用规程"的要求开展了我国人造矿物棉的安全防护现状调查。

Studying the property of dead soft rock has important meaning for the local engineering construction.

对极软岩特性进行研究，为该地区的工程提供有效的防护措施和保障工程的安全进行具有重要意义。

For reducing the LEMP lighting electromagnetic pulse radiation, the electrical source uses the Box-type power supply arrester, the power supply arrester and the modular power supply arrester as the third SPD surge protection device. The Low-voltage surge arrester or spark gap is laid between the compute net and equipotential grounding grids for avoiding signal interference and counterattack of ground voltage. The parameter and model of the signal lighting-protector of lines of communication are chosen according to the transfer rate, work level and characteristic impedance.

对控制房和DCS柜采用避雷针、独立针的直接雷防护；系统电源分别采用箱式电源避雷器、电源避雷器、模块式电源避雷器作为三级电源保护，减少LEMP雷电电磁脉冲辐射；计算机网络与等电位地网间设置低压避雷器或火花隙防止信号干扰和避免地电压反击；根据传输速率、工作电平、特性阻抗等，选择通信线路的信号防雷保护器的参数和型号。

H2O conversion film is formed after treatment in the stannate solution, and the immersion test and potentiodynamic polarization show that the stannate conversion treatment can provide good protection to the AZ91D alloy.

H2O为主要成分的转化膜，转化膜由细小的球形颗粒密积而成；腐蚀性能评价证明它可对基体合金起到一定的防护作用。

Methods The Knowledge of occupational hazard and prevention in different enterprises was investigated by stratified random sampling.

方法采用整群抽样的方法对不同行业的外资企业农民工进行职业病危害因素认知及其防护知识的问卷调查和统计分析。

The main reason for protect invalidation of coating is the disfigurements existing in the surface and interior of coating, which can be decreased by improvement of electroless nickel plating solution and strict control over technological parameters.

导致Ni-P层防护失效的主要原因来自于试样表面及镀层内部的缺陷，通过改进化学镀镍工艺配方和严格控制工艺参数能减少镀层缺陷的产生。

Two of the world's finest harbor areas were formed in this way: New York Bay, with the deep Hudson River and the protective barriers formed by Staten Island and Long Island; and Chesapeake Bay, the drowned valley of the Susquehanna River and some of its major former tributaries, such as the Potomac and James Rivers.

两个世界最优秀的港区，形成这样的：纽约湾随着哈德逊河及防护屏障形成斯坦顿岛和长岛；和切萨皮克湾，淹没河谷的susquehanna河流和一些主要支流前，如波托马克和詹姆斯河流

The Centers for Disease Control and Prevention found that the incidence of leukemia among residents in an area surrounding one tannery in Kentucky was five times the national average.

疾病控制与防护中心调查发现，位于肯塔基州的一个皮革厂附近地区的居民白血病发生率是全国平均水平的5倍。

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。