查询词典 chemical lead

Among the substances in third-hand smoke are hydrogen cyanide, used in chemical weapons; butane, which is used in lighter fluid; toluene, found in paint thinners; arsenic; lead; carbon monoxide; and even polonium-210, the highly radioactive carcinogen that was used to murder former Russian spy Alexander V.

三手烟中的物资包括用于制造化学武器的氢氰化物，轻质石油的丁烷，涂料稀释剂中的甲苯，砷，铅，一氧化碳，甚至还有谋杀了前苏联间谍亚历山大利维尼柯的极具放射性致癌物资钋210，三手烟中11种组成物质都是高致癌物资。

Most chemical occupational-disease hazards were low to the limit of GBZ2-2002 except lead smoke and carbon monoxide in front of the furnace. The noise of most workplaces was classified as 0 except those above Ⅰ at some workplaces like grinding, granule-making, etc. The hot working environment of the furnace was classified as Ⅵ, other hot working environments were classified asⅠ.

除炼铁厂炉前铅烟、一氧化碳个别点超标外，其他化学性职业病危害皆未超过接触限值；除个别岗位如破碎、制粒等噪声作业分级为Ⅰ级以上外，大部分作业点噪声作业分级为0级；炼铁厂炉前高温作业为Ⅵ级，其他热源岗位为Ⅰ级。

First of all, this study will be multi-walled carbon nanotubes by chemical oxidation process purified so it can be modified to deal with than the purification of purity before the modified 5 wt%, more than 1.89 times the surface area to increase the surface potential decrease of about 10 ~ 20 mV and the surface functional base (-COOH and-OH) to increase 1.45 times, and then the control technology of electroless preparation parameters include: analysis of plating time, plating analysis of temperature, metal ions in solution than the (Fe2+/ Ni2+), bath pH and the added value of dispersion Agent and other research towards Fe-Ni particles to increase the iron content and Fe-Ni particles spread in the MWCNT upper fixed targets,the results found that when the parameters for the preparation of 50 ℃, pH10, do not add dispersant, metal ions than the solution (Fe2 +/ Ni2 +) 7, the highest iron content can be Fe = 40.55 at%(flat iron content 111.17 mg / g) of nanocomposites Fe-Ni/CNT, then for a series of the nature of its analysis, the final evaluation Fe-Ni/CNT nanocomposites were processed on the effectiveness of the application of mixed pollutants, the results showed that in 120 minutes at the same time when Adsorption of heavy metal ions lead nitrate 10 ppm, selenium heavy metal ion degradation of 1 ppm and orange azo dye AO7 50 ppm standard of effluents, and after a total Fe-Ni nano-particles to SEM / EDS analysis of more than 50% still remaining.

本研究首先将多壁奈米碳管以化学氧化法做纯化改质处理能使其纯度较纯化改质前提高5 wt％、比表面积提高1.89倍、表面电位下降约10~20 mV以及表面官能基提高1.45倍，再控制无电镀技术之制备参数包括：析镀时间、析镀温度，镀液中金属离子比(Fe2+/Ni2+)、镀液pH值及是否添加分散剂等，研究朝提高Fe-Ni粒子的含铁量与Fe-Ni粒子散布固定在MWCNT上等目标进行，研究结果发现当制备参数为50 ℃、pH10、不添加分散剂、镀液金属离子比(Fe2+/Ni2+)7时，可得到最高铁含量Fe = 40.55 at％(单位铁含量111.17 mg/g)之奈米复合材料Fe-Ni/CNT，接著对其作一系列性质分析，最后评估奈米复合材料Fe-Ni/CNT对共处理混合污染物之应用效益，结果显示其在120分钟时能够同时吸附重金属硝酸铅离子10 ppm、重金属硒酸根离子1 ppm及降解偶氮橘色染料AO7 50 ppm达放流水标准，且共处理后奈米Fe-Ni粒子以SEM/EDS分析仍剩余50 %以上。

Suzhou Tianxiang Chemical Machinery factory lead oxide has been committed to research and development of production equipment.

苏州市天翔化工机械厂建厂至今一直致力于氧化铅生产设备研究及开发。

Chemical oxidations of sodium plumbite solution in alkali are readily achieved with chlorine, bromine, and hydrogen peroxide and simple lead salts may be oxidized with 37 M nitric acid.

用氯、溴和过氧化氢在碱性条件下可实现化学氧化铅酸钠。简单的二价铅的盐可用37M的硝酸溶液来氧化

Scientifically speaking , overstress can lead to a series of chemical imbalances in your body .

科学上讲，过度，可导致一系列的化学不平衡，在你的身体。

At present we are continuously empoldering new products and enhancing technology so that we can improve the products quality and lead a top no matter domestic or abroad . Our products are widely used by oil plant 、 power plant 、 chemical plant 、 smelting plant 、 paper mill 、 pharmacy 、 packinghouse 、 architecture etc ,favored by users.

目前公司不断开发新产品，增加产品技术含量，提高了产品质量，使产品始终处于国内外先进水平，并被广泛用于石油、电站、化工、冶金、造纸、制药、食品、城建等行业，深受用户好评。

DNA and it is these subsequent chemical changes that destroy cell viability and lead to the food preservative effect.

正是这些化学变化毁坏了细胞的活性，起到了使食物保鲜的效果。

This can sometimes lead to smudges from a chemical reaction to the jewelry metal.

这有时会导致黑灰，从化学反应的金属饰品。

Lead dioxide is characterized by low electrical resistivity, stable chemical property, anticorrosion, high electric conductivity, etc, and applied in a variety of electrolysis production of organic and inorganic substance, sewage disposal and the production of superpure water widely, and so is attached importanced to by interrelated scientists.

随着电化学工业的不断发展，传统的阳极材料越来越表现出其局限性，二氧化铅电极具有电阻率低、化学性质稳定、耐蚀性好、导电性好等特性，广泛应用于各类有机物和无机物的电解生产、污水处理及高纯水制备过程中，受到相关科学家的重视。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。