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Respectivey, The methylmercury levels of human hair for mercury mine workers, children and pregnam women living near the mine area have been compared with that of those living at nonpol luted .

本文采用气相色谱法测定人发中甲基汞,对人发的酸度、浸取时间、人发与酸液的比例,以及无机汞存在的影响作了测定和选择,方法的平均回收率96.6%,精确度2.8%,方法可靠性用氢化物原子荧光法核对,结果一致。

The overburdening knowledge that thimerosal is converted to ethyl mercury (a substance over a thousand times more destructive than inorganic mercury) in less than one minute after being introduced into the body should give great concern to those appointed to protect the public.

钗h的报告显示thimerosal进入体内一分钟内会转变成甲基汞(甲基汞的破坏性是无机汞的一千倍),这个事实应该引起更多关注以保护大众的健康。

Experimental study on improving effect of pelleting and flotation of fine grained lignite;2. Magnetic microspheres were obtained by preparation of fine powders, pelleting and heat treatment.

本论文针对现有栓塞材料存在的问题,如粘管、透X线、可控性差等,选择钡铁氧体无机颗粒作为研究体系,通过微粉的制备、粉料的造粒和热处理,获得了适合应用的磁性微球,并对其相关性能进行了分析。

On the basis of our study, BS-12 was composed with other nonionic surfactant and inorganic additives to increase the soaping effect in reactive dyeing.

在对甜菜碱型两性表面活性剂BS-12在活性染料净洗中的性能进行初步研究的基础上,用此类表面活性剂与非离子表面活性剂复配,对添加无机盐、无机凝肢后的净洗性能进行了进一步的研究。

Second, the solthe solthe sol-gel solution did not contain alcohol, instead, poly methyl methacrylate, aniline and phosphate salt(calcium phosphate dibasic, manganese phosphate or zinc phosphate) were added.

第二部分是在未加入酒精的状况下,将有机高分子聚甲基丙烯酸甲酯(poly methyl methacrylate, PMMA)加入含有磷酸盐(磷酸氢钙、磷酸锰或磷酸锌)的溶胶中,并利用苯胺的催化,得到奈米级的有机-无机复合皮膜。

In order to develop and popularize organic-inorganic compound fertilizer for vegetablecrops, the effects of chemical nitrogen fertilizer application rate on yield and quality (nitratecontent, protein content, soluble sugar content, rough fiber content and Vitamin C content) of 4vegetables(Water spinach, Asparagus lettuce, Pak-choi, Radish)and nitrogen fertilizerutilization ration have been studied by pot experiment using ~(15)N trace technique.

中文摘要:为开发和推广蔬菜有机-无机专用复混肥,本文采用盆栽试验和~(15)N标记示踪技术探讨了化学氮肥用量对4种蔬菜(蕹菜、莴苣、小白菜、萝卜)产量、品质(硝酸盐、蛋白质、可溶性糖、粗纤维、维生素C含量)及氮肥利用率的影响,在保证蔬菜高产、优质、低污染的前提下,权衡化学氮肥用量与蔬菜产量、品质和化学氮肥利用率之间的关系,得到了4种蔬菜合理的化学氮肥用量。

Sound-absorbing glass bubble of modern architecture as a new type of sound-absorbing material, in addition to good absorption properties, but also has many inorganic glass from the physical and chemical properties conferred by the fine features.

吸声型泡沫玻璃作为现代建筑的新型吸声材料,除了具有良好的吸声性能,还具有许多由无机玻璃的物化性能所赋予的优良特性。

The DIC δ〓C values of soil water are heavier than that of soil CO〓. And the DIC δ〓C values of spring water are heavier than that of soil water, because spring water might has penetrated to rock layer and mixed inorganic carbon of carbonate rock.

土壤水DIC的δ〓C值比土壤CO〓值偏重;泉水DIC的δ〓C值比土壤水DIC的δ〓C值偏重,原因是泉水可能已经渗入到基岩层之后再出露到地表,已经混入了部分基岩无机碳的成分。

She also found a sea of rotten secret: forest fungi is not the source of toxic substances, on the contrary in the soil and purify the air of toxic ingredients to make it into non-toxic inorganic crystal sand.

也是她发现了腐海的秘密:菌类森林并不是有毒物质的来源,相反是在净化土壤和空气中的有毒成分,使之结晶化为无毒的无机沙粒。

Esterification with some inorganic acid chlorides and anhydrides has been studied too, but with limited success only due to rather violent side reactions and an early precipitation of the reaction products.

同时也做过用无机盐酸及酸酐酯化的研究,但是只取得了有限的成功,只是因为相对剧烈的副反应及反应产物过早的沉淀。toommy:感谢参与,继续努力!亚太币+ 30 贡献+ 2

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。