查询词典 cadmium

Acetosalicylic acid; heavy metals; cadmium; aquatic plant; relieve

论文导师施国新，论文学位硕士，论文专业植物学

The damage of mitochondrial functions may be a critical early event in adrenocortical cytotoxicity of cadmium.

线粒体损伤可能是镉毒作用的早期现象。

By using fluorescence spectrophotometry method,a systematic study was conducted to determine the effect of cadmium and lead ion stress on reactive oxygen species in creeping bent Agrotis stolonifera leaf tissue.

通过2种重金属离子和抗霉素A处理匍匐翦股颖Agrotis stolonifera幼苗叶片，利用2，'7'-二氯荧光黄双乙酸酯溶液对重金属胁迫和抗霉素A处理后叶片中产生的过氧化氢(H2O2)反应形成具荧光物质DCF的特性，用荧光光度分析法分析了叶片中H2O2产生与积累规律。

In order to provide some scientific data for judging biological toxicity and bioavailability caused by heavy metals in sediments in Guilin, China, for the first time, the authors sampled sediments in different water areas in Guilin, and determined AVS by P-Amino dimethyl aniline dihydro chloride photometry through a set of acidification-ventilation-absorption AVS reaction unit, determined copper, lead, zinc, cadmium and nickel with tomic absorption spectrophotometry, mercury and arsenium with atomic fluorescence, and cipangopaludina cathayensis was selected as the tested species for bioavailability experiment.

首次以桂林水系沉积物为研究对象，通过酸化－吹气－吸收装置，用对氨基二甲基苯胺光度法测定沉积物中AVS含量，用原子吸收分光光度法测定SEM和间隙水中Cu、Pb、Zn、Cd、Ni含量，用原子荧光法测定Hg、As含量。

This might be the sur-carcinogenic mechanism of 16hbe cell malignant transformation and tumorigenicity in inoculated athymic mouse induced by cadmium chloride.

研究结果可部分解释镉化合物的细胞转化作用及其可能的表遗传致癌机制，以及进一步对甲基化的表型逆转和药物治疗研究提供了重要依据。

The corrosion resistance of cadmium coatings is good in ma- rine atmosphere environment, but it is not suitable to be used in industry polluted atmo- sphere environment.

镉镀层不适用于有工业污染的大气环境，对海洋大气环境有较强的防护能力。

The effect of cadmium on the female gonad was shown to have the extrous cycle delayed and the proportion of atresic follicle increased.

镉的雌性性腺生殖毒性可表现为动情周期的明显延长，卵巢细胞生长发育过程的明显障碍。

The expression of Bcl-2 was weak or negative; there is no difference among various groups.Research Conclusion: lCadmium can accelerate the apoptosis of GCs and is related with dose; 2Cadmium accelerate atresic of follicular; and increase the number of interstitial gland;3Cadmium enhance the expression of bax, and no affect obviously on bcl-2;4 Selenium restrained the effect of cadmium-induced apoptosis on granulosa cells, but it cant be interdicted completely.

实验结论：1 镉能促进小鼠卵巢颗粒细胞凋亡，并具有剂量效应关系。2 镉能促进卵泡闭锁，使卵巢间质腺数量增加。3 镉能增强颗粒细胞凋亡相关基因bax的表达，对bcl-2的表达则无明显影响。4 硒具有一定的抑制镉致颗粒细胞凋亡的作用，但不能完全阻断。

The results showed that the bioaccumulation coefficient of cadmium and zinc in aboveground parts of Bidens tripartite and Solanum nigrum was not less than 1 respectively, and the concentration of Cd and Zn in aboveground parts was higher than that in roots, denoting basic characteristics of hyperaccumulators.

结果表明：狼把草、龙葵地上部Cd和Zn的富集系数均大於1，且地上部Cd和Zn的含量大於根部Cd和Zn的含量，具备了重金属超富集植物的基本特徵。

Compound 1 is a binuclear cadmium complex and adjacent dimers are extended into 1D supramolecular network through π-π interactions.

结果表明化合物1为双核镉配合物，相邻的双核单元通过π-π堆积作用拓展为1D超分子。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新