汞

It is mixed with silver, copper and tin, forming a highly durable combination to lock in the mercury.

目前在医疗中使用的金属混合物，使用汞、银、铜和锡等金属，制成耐用度较高的混合物，并将汞金属锁定其中。

The content of elemental mercury decreases and divalent mercury increases with temperature both in air and O2/CO2 atmosphere.

随着反应温度的升高，这两种气氛下单质汞的含量均逐渐降低，而二价汞的含量逐渐升高。

Sodium amalgam was synthesized according to the method developed by Shanghai Silicate Research Institute, Academy of Sciences of China, by mixing high purity sodium electrolytically purified from industrial grade sodium at 350℃ with amalgam and using ceramic material containing a small amount of Na_2O as separating film.

作者采用中科院上海硅酸盐研究所研究成功的钠汞齐制造工艺，以含少量Na_2O的陶瓷材料为隔膜，在350℃下电解工业级金属钠制成高纯钠，再合成出钠汞齐。

Total Hg concentrations in the fish with fork length smaller than 170 cm were not significantly different between samples from both oceans, whereas Hg concentrations in the size groups with FL larger than 171 cm from Atlantic Ocean showed higher value than those from the Indian Ocean.

但发现两洋区尾叉长小於170cm个体间的总汞浓度並无显著差异，而尾叉长大於171cm的个体则呈现大西洋渔获者的总汞浓度高於印度洋者。

Reaction conditions are studied, and the result shows that it is better to adopt mercuric oxide or mercuric fluoride as fluorination catalyst with reaction temperature -20~-10℃.

结果表明，采用氧化汞或氟化汞作氟化催化剂、氟化氢作溶剂较好，适宜的反应温度为－20~-10℃，较长的反应时间(48 h)和增加氟化氢和催化剂的量有利于氟化。2-氯－5-三氯甲基吡啶的转化率和选择率均可达到97%以上。

The importance of the testing of mercury-free zinc powder gassing rate was described.

阐述了无汞锌粉析气量测试的重要性，研究了无汞锌粉析气量的测试方法，并对不同方法进行了评价。

There is the first production line of alkali manganese grade EMD without hydrargyrum of China. The line was identified typical program of national high technology, and alkali manganese grade EMD without hydrargyrum was identified national key new product by related national ministries?.

公司拥有我国第一条无汞碱锰电解二氧化锰产线，该生产线被评为国家高技水产业化示范工程，无汞碱锰电解二氧锰被国家科技部、国家税务总局、对外贸易部、国家质量技术监督局和国家环保总局共同认定为"国家重点新产品"。

Safety and quality for agricultural product safety demand for non-environmental pollution fruit (GB 18406.2-2001) prescribes eight heavy metals and harmful substances in apple, such as arsenic, hydrargyrum, lead, cadmium, chrome, fluorine, nitrite, nitrate and also the residue limit of 22 pesticides.

另外，发布实施的《食品中污染物限量》(GB 2762-2005)规定了苹果中铅、镉、汞、无机砷、铬、硒、氟和稀土等8种污染物的限量标准[1]；《食品中农药最大残留限量》(GB 2763-2005)规定了苹果中49种农药的残留限量[2]；《农产品安全质量无公害水果安全要求》(GB 18406.2-2001)规定了苹果中砷、汞、铅、镉、铬、氟、亚硝酸盐、硝酸盐等8种重金属和有害物质以及22种农药的残留限量[3]。

Hygienical improvement and health education p rogram in the factory should be supported. To contro the consistency of mercur y in air.

应加强汞加工企业的卫生学改造，控制车间空气中汞浓度，加强工人的卫生知识教育。

A hyphenation system for mercury speciation analysis was established then used for the investigation of methylmercury contamination status...

本文建立了汞化合物的形态分析方法，并以此研究了环渤海软体动物中甲基汞的污染状况。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。