在水中的

The determination of trace cadmium in the sample of environment by flame atomic absorption spectrometry after separation and preconcentration by Cd-ion imprinted polymers has been developed.

研究了在Cd 离子印迹聚合物分离富集后，用火焰原子吸收分光光度法测定水中痕量镉的方法。

Experiments were conducted with an autoclave reactor to investigate the effects of catalysts on the reaction.

在釜式反应装置上，以原生生物质花生壳为原料、CMC为添加剂，对不同种类的催化剂在超临界水中生物质催化气化制氢的影响进行了实验研究。

Many batcher drip nozzles are installed at the bottom of holding furnace. The molten metal drips to the cooling water box which is mounted under the holding furnace through the batcher drip nozzle. The dwell time of granulated metal is 10~18 seconds in the cooling water box.

在保温炉底部，安装多个定量器滴嘴，保温炉内的金属液流经定量器滴嘴后，滴入保温炉下方的冷却箱内，金属颗粒在冷却水中停留10~18s。

When insoluble collagens were heated in the buffer solution of pH 7.5 at 60℃,both the collagens of 4－months old pigskin and calfskin were 60% solubilized in 1h and 90% in 22h while both the collagens of 1－years old pigskin and cow hide were 30%~40% solubilized which less than former two.

由于动物的年龄不同，胶原的性质变化显著，不溶性胶原在pH7.5、60℃水中加热时，4个月龄猪皮和幼牛皮在1h可溶化60%，22h可溶化90%，但1年龄猪皮和成牛皮可溶化率减少30%~40%。

A known carcinogen, it presents a public health problem when even trace amounts are present in drinking water.

做为已知的一种致癌物，即使在饮用水中仅有痕量存在也会引起公共健康问题。

In nature condition, Dongtaijinaier Salt Lake brine is evaporate d by solarizing, mixed with the concentrated brine, the potassium is crystallized in the form of Sylvite and Carnallite, the Boron and Lithium is riched in concentrated brine.

东台盐湖晶间卤水在自然条件下日晒蒸发，通过不同阶段卤水兑卤，使其钾以钾石业和光卤石的形式析出，硼、锂等富集于浓缩卤水中。

The effects of the dosage of sawdust cellulose xanthate,reactive time,pH value,temperature on the removal of heavy metal ions in wastewater were investigated.

结果表明，在常温条件下，pH值在5～10范围内，木屑黄原酸酯对Cu2+，Ni2+，Zn2+的去除率达98%以上，处理后废水中Cu2+，Ni2+，Zn2+的含量达到国家排放标准。

He chelation of maleate-acrylic acid copolymer for calcium ion in water was determined by Ca ion-selective electrode analysis.

用钙离子选择电极测定了马来酸酯－丙烯酸共聚物对水中Ca的螯合作用，结果发现在井水

In Canada, there are a lot of extracurricular activities. I joined skiing club before the Christmas break. We have morning run on every Tuesday and Thursday. Sometimes, we do some strength training in our school swimming pool or practice yoga.

我们的课余活动也很丰富，我参加了滑雪队训练，每周二和周四早晨进行跑步训练，有时在学校游泳池进行水中力量训练或者做瑜伽，现在下雪了我们就开始滑雪训练了。

The coating corrosion mechanism for the overall/partial fallen coatings of bottom plates is analyzed. It suggestes that the impressed current CP be used to protect the bottom plates,the dehydrator be reformed,and the corrosion inhibitor be added to the water.

分析了防腐层完全脱落区域钢板的腐蚀机理，及防腐层未完全脱落部分坑点的腐蚀机理，并在此基础上提出采用外加电流阴极保护法保护罐底板、改造油罐脱水设施结构、在存水中加注缓蚀剂等建议。

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。