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- By adapting to the craft, the average arsenic content in ferrotungsten can reach 0. 介绍钨铁合金真空脱硫脱砷的生产工艺以及有关的影响因素。
- Results Arsenic content of grain in surveillance spots are higher than that in contrastive area, but lower than the state arsenic hy. 目的掌握三峡地区食物及饮用水中砷含量,为防制燃煤型地方性砷中毒提供科学依据。
- "We propose that rice expressing the enzyme will volatilize arsenic, producing rice grains with reduced arsenic content," Rosen says. 罗森说：“我们认为，稻米中有这种酶就会挥发砷，生产出的稻米砷的含量自然就会少。”
- Tsun-Kuo Chang, Guey-Shin Shyu, Yu-Pin Lin and Nan-Chang Chang, Geostatistical Analysis of Soil Arsenic Content in Taiwan. 张尊国，黄国珍，徐贵新，1997，6，土壤重金属污染特性探讨-因子分析，中国农业工程学报，第43卷，第2期。
- The determination of arsenic content in naphtha by GFAAS was studied with THF as solvent,and nickel nitrate as matrix modifier. 试样用四氢呋喃(THF)有机溶剂稀释,以硝酸镍为基体改进剂,研究采用石墨炉原子吸收法直接进样测定石脑油中的砷量。
- The logarithm of bioaccumulation factors(BCF) linearly correlates with the logarithm of arsenic content in soil to som... 蚯蚓能用作土壤中洛克沙胂污染的指示生物;而且可以用蚯蚓生物除污技术来减少或控制洛克沙胂的环境污染.
- Major clinic manifestation are skin pigmentation,as well as metacarpal bone overkeratosis.Water arsenic content is normal. 临床表现主要为皮肤色素改变、掌跖过度角化等皮肤病变，水砷含量超标情况不严重。
- The results of gold recovering from the calcines with approximate arsenic content by vacuum evaporation or by normal oxidation are same. 用真空蒸馏法处理高砷金精矿焙砂和常规氧化焙烧脱砷率相近的焙砂相比,在金的浸出方面具有相同的效果。
- Witha proportional interrelation with the arsenic content in the untreated water of the Yellow River, thearsenic residue in fish directly relates to food chain. 鱼体砷残留量与黄河原状水中含砷量呈密切正相关关系，与食物链、鱼体食性及黄河含沙量有密切关系。
- The average of edaphic arsenic content by arrive high low it is respectively: Ground of blame? afforest >vegetable plot >orchard >corn field >natural soil. 土壤砷含量的平均值由高到低分别为:稻田>绿化地>菜地>果园>麦地>自然土壤。
- Objective In order to study the relationship between the m ortality of malignant tumor and arsenic content of drin- king water in three villa ges of Tumote area of Huhhot,Inner Mongolia. 目的对内蒙古呼和浩特土默特地区三个自然村居民恶性肿瘤死亡状况进行回顾性分析 ,了解恶性肿瘤死亡率与饮水砷浓度的关系。
- The arsenic contents of the coal, soil, paddy, cayenne in the area and the patient hair were above the standard. 病区煤、土壤、大米、辣椒及病人发砷含量均超过国家标准 ;
- In all of the soil samples, the arsenic contents did not exceed the national health criterion. 该方法的稳定性和精确性均较好 ,18个灭螺现场土壤样品砷含量均低于国家土壤卫生标准的要求。
- Results Arsenic contents in the heart, liver, brain, kidney and spleen of the offsprings correlated with the dose their exposed parents, the highest in the spleen. 方法采用两代繁殖试验的方法，测定亲代大鼠接触不同剂量的砷后其子代脏器中砷的含量。
- The arsenic content of drinking water 饮水砷含量
- gold ore with high arsenic content 高砷金矿
- Teaching content should be concise. 教学内容要少而精。
- A drug or preparation containing arsenic. 砷化合物含砷的药剂或制剂
- His wife poisoned him with arsenic. 他妻子用砒霜把他毒死了。
- He is quite content with his present fortune. 他对自己目前的境遇颇为得意。
