重金属

Using cold atomic absorption spectrophotometry to measure contents of mercury in leaves and soil round of roots,a compaison is made to the absorbability of mercury between Buxus sinica and Nerrium indicum Mill.

通过冷原子吸收法测定土壤与植物叶片中的汞含量，比较小叶黄杨和夹竹桃对土壤中重金属元素汞的吸收能力，为土壤重金属汞污染的植物修复治理技术提供理论依据。

By using Atomic Absorption Spectrophotometry and Atomic Fluorescence Spectrophotometry, the contents of heavy metals in sullages and the flocculated sullages were analyzed.The Samples were collected from the selected region of the six tipical areas in Jiangsu province for four seasons, including Ancinet Canel in Wuxi, Hengcaolugang in Wujiang, Meiliang Bay in Taihu, Hongze Lake in Hongze, Xiexinggang in Qidong, the port in Lianyungang.

本文运用原子吸收光谱法和原子荧光光谱法，分析了江苏省内的这六个典型地区的春夏秋冬四个季节的淤泥不同层面的重金属含量及絮凝前后泥样和水体中的重金属含量。

The results is two strains of bacteria Pseudomonas alcaligenes (No. 1203) and Cellulomonas (No. 1120) that could endure 60 times of the V water quality standard were selected, that is, 2 strains could grow in 6mg Pb /L and 60mg Cu /L media. Another 2 strains could endure 70 times of the standard were attained, Rhodococcus (No. 1314) and Acinetobacter (No. 1410), which could grow in 7mg Pb /L and 70mg Cu /L media.

共筛选出耐国家水质V类污水重金属Pb和Cu 60倍（Pb 6mg/L，Cu 60mg/L）的菌株共2株，1203号菌（产碱假单胞菌Pseudomonas alcaligenes）和1120号菌（纤维单胞菌Cellulomonas）；耐V类重金属Pb和Cu 70倍（Pb 7mg/L，Cu 70mg/L）的菌株2株，1314号菌（红球菌属Rhodococcus），1410号菌（不动杆菌Acinetobacter）。

As an extension to the "973" Program of National Planning key basic research project -----the study of China lake nutrient over-enrichment process and the mechanism of blue alga outbreak, this paper introduces our experiments as below:(1) Experiment on heavy metal absorption and disorption abilities of Ceratophyllum demersum , Hydrilla verticillata and Myriophyllum triphyllum, in order to campare their absorption capability .

本文在前人的研究基础上，依托国家&973&国家重点基础研究规划项目&湖泊富营养化过程与蓝藻水华暴发机理&，开展了下列工作： 1、选取狐尾藻、金鱼藻、黑藻三种大型沉水植物作为研究对象，通过对重金属离子铜离子的吸附及解吸实验，比较其三种沉水植物之间吸附能力的大小； 2、选取狐尾藻、黑藻为研究对象，研究了重金属离子铜离子对沉水植物的胁迫作用及铜离子在植物体内的富集情况； 3、选取黑藻为研究对象，研究了沉水植物在富营养条件下不同浓度的氨态氮和硝态氮对沉水植物的生理生长的影响。

Finally, this paper investigated the compositions, contaminative situations, speciation and release of heavy metals in contaminated sediments from Guangzhou water body.

论文最后研究了广州城市水体沉积物的组成、重金属污染状况及其形态分布和重金属的释放及其动力学。

And Cynodon dactylon. The expression pattern of these genes and their respective role in heavy metal tolerance were also of our interest.

和绊根草中分离重金属抗性相关基因，并研究它们在重金属抗性机制中的功能。

On the other hand, we tried to isolate heavy metal tolerance genes with novel function in higher plant Cynodon dactylon.. The functional complementation of a yeast mutant strain M379/8, which was sensitive to heavy metal, Cd, was carried out.

木文还尝试了利用酵母重金属敏感突变株M379／8功能互补的方法从重金属抗性植物绊根草中分离新的重金属抗性相关基因。

In this article,Canna,Cyperus and Penisetum were grown in artificial solution contained heavy metals such as lead and chromium to investigate their endurance to the two kinds of heavy metal.The experiment results showed that lead and chromium could decrease the height and biomass of plants even at low concentration of 2.0mg/L.

随着工业的迅速发展，各种工业废水和固体废弃物的渗出液直接排入水体，致使水体中重金属铅(Pb2+)和铬(Cr6+)等含量越来越高[1]，重金属不能像其他有机化合物那样可自然降解或生物降解，往往存在水体或沉积到水域底部或被水生植物浮游植物。

And the diurnal variation of physiological characteristics of photosynthesis of Magnolia denudate under heavy metals stress were studied with the Li-6400 portable photosynthetic system.

为了解锑矿区土壤复合重金属污染对白玉兰光合生理特性的影响，分重度污染、轻度污染和无污染土壤栽培白玉兰苗木进行盆栽试验，并采用LI－6400光合测定系统对重金属胁迫处理的白玉兰进行了光合生理特性日变化研究。

Theenvironmental risk of leachate from landfill with different operation modes depend ontheir accumulation amount rather than their sudden concentrations and fraction.(7)The high SRB metabolism activity and the accumulation of metabolitewere the main reasons of in-situ precipitation phenomenon of Cu~(2+) and Zn~(2+) inlandfill refuse in bioreactor landfill. Heavy metals in bioreactor landfill havemechanism of in-situ immobilization controlling by SRB metabolism. Thepredominant SRB in landfill refuse belongs to Desulfovibrio vulgaris sp.

7生物反应器填埋场中较高的SRB代谢活性及其逐步累积的代谢产物硫化物是填埋垃圾中的Cu~(2+)和Zn~(2+)形成硫化物沉淀而发生重金属原位固定现象主要原因，生物反应器填埋场中重金属存在原位固定的硫酸盐还原菌调控机理，初步从形态判断填埋垃圾中的优势硫酸盐还原菌属普通脱硫弧菌属Desulfovibriovulgaris sp。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。