标上

The results showed: for the toxicity of two kinds of pollutants, the Cd(superscript 2+) is more poisonous that the Pd(superscript 2+). For the sensitivity to the pollutants, the P. caudatum, C cathayensi and D. japonica increase evidently in turn. The statistical analyses indicated that the single and combined toxicity effects both increase with the exposed time extended, especially for the combined toxicity (P.05), showing a marked time-effect relation. As for the single effect, ii increase prominently with Pb(superscript 2+) and Cd(superscript 2+) concentrations (P.05); But in the case of binary effect, the results showed obviously a time-effect (P.01) as well as a concentraction-effect relations.

结果表明：在同等条件下，Cd(上标 2+)对三者的致毒效应都明显强于Pb(上标 2+)；3种动物中，草履虫最敏感，而圆田螺耐受能力最强；随单一毒物浓度的增大以及暴露时间的延长，两者的致毒效应都显著增大，表现出明显的浓度－效应和时间－效应关系；二者复合作用时，对3种动物的致毒效应主要表现为与二组分的浓度比例有关。

The paper deals with the effects of Cd(superscript 2+)、Hg(superscript 2+) and their interaction on O(superscript - subscript 2)、MDA and antioxidant enzyme systems of Ceratophyllum demersum L..

研究了不同浓度Cd(上标 2+)、Hg(上标 2+)以及二者共同胁迫对金鱼藻O、MDA含量和抗氧化酶系统的影响。

Effect of different surfactants on the UV intensity of Al(superscript 3+)-MXFX have been studied. Is Cetyl Trimethy-lammonium Bromide can increase the UV intensity of Al(superscript 3+)-MXFX is discovered. Based on this reaction, the reaction conditions in detail and proposed a simple, rapid and sensitive new method for the determination of MXFX by UV method is inve stigated. This method has been applied for the determination of MXFX in tablet with satisfactory results.

通过研究不同表面活性剂对Al(上标 3+)-莫西沙星体系紫外特性的影响，发现十六烷基三甲基溴化铵对该体系有显著的增敏作用；系统研究了CTMAB-Al(上标 3+)-MXFX反应体系的紫外特性，利用这一反应体系，建立了简单、快速、灵敏的测定莫西沙星的紫外分光光度法，选择了最佳实验条件，并将此方法用于莫西沙星片剂的测定，结果满意。

Crispate were studied. when Cr(superscript 6+) was more than 5 mg/L, the plant height, leaf area, yield and the ratio of chlorophyll a/b obviously were decreased with the increase of Cr(superscript 6+) concn.

结果］当Cr(上标 6+)浓度＞5mg/L时，皱叶留兰香株高、叶面积、产量及叶绿素a/b比值随着Cr(上标 6+)浓度的升高而明显下降。

The result indicated, In the MS culture medium, and the damagement increased with Pb(superscript 2+) concentrition, when Pb(superscript 2+) concentration was up to 1000μmol/L, the callus was geatly damaged and its character is small, hard, skin drying; Organic acid of suitable concentration was able to improve the induction and growth of rice callus under the Pb(superscript 2+) stress, i.e. ascorbic acid, critic acid and oxalic acid The effect was the best which added 750 mol/L citric acid in MS culture medium, the callus was fresh, light yellow, loose, the surface moist. and survival was as higher as controlled treatment.

而添加不同有机酸（抗坏血酸、柠檬酸和草酸）均可明显改善Pb(上标 2+)胁迫下愈伤组织的生长，尤以750μmol/L柠檬酸对Pb(上标 2+)毒害的缓解效果最佳，其愈伤组织块颜色浅黄，表面湿润，愈伤组织成活率高，与对照愈伤组形态较接近。

Denitrifying phosphorus removal bacteria is a kind of bacteria that can release phosphorus under anaerobic condition and take up phosphorus under anoxic conditions while simultaneous denitrify nitrate or nitrite.

反硝化聚磷菌是一类能够在厌氧状态下释磷，缺氧存在硝酸盐NO3(上标-或亚硝酸盐NO2(上标-的情况下聚磷，并同时反硝化的聚磷菌。

The results showed that there were prominently positive correlations between rates radioactivity of SOD and POD and a good minus correlation between rates radioactivity of SOD and PPO. With irradiated by 60Co-γ ray of 10GY, rates radioactivity of SOD and POD were highest, and rate radioactivity of PPO was secondary, and rate radioactivity of CAT and the content of malondialdehyde were eighthly.

结果表明，SOD酶活力与POD酶活力之间呈显著正相关R=0.656(上标*，SOD比活力与PPO酶活力、PPO比活力之间呈极显著负相关R=-0.716(上标*， R=-0.714；SOD酶活力、POD酶活力以10GY辐射处理值最高，10GY辐射处理的PPO酶活力居第2，丙二醛含量及CAT酶活力居第8。

In addition, the abundant microcracks developed around the cavities provided the passages or vents not only for gases escaping like CO2, but for Ca(superscript 2+), Al3(superscript 3+), released out of the feldspathic minerals from the intrusion, migrating into the cavities as well.

Ca(上标 2+)、Al(上标 3+)离子在孔洞、孔隙溶液中发生化学反应，逐渐生成浊沸石、方解石，并逐渐沉积生长成集合体，生成浊沸石后的岩体可成为油气储层。

A simple two step precipitation method was used to investigate the effect of Mg(superscript 2+) instead of Ca(superscript 2+) on fractionation of soybean glycinin and β-conglycinin. Compositional and physicochemical properties of the resulting protein fractions were characterized.

使用一种简单的两步沉淀方法研究了Mg(上标 2+)和Ca(上标 2+)对大豆球蛋白及β-伴球蛋白级分分级的影响，并对所得产品的某些理化性质进行了表征。

Taken together, the heterogonous boost combination provided superior protection by stronger CD(superscript 4+)(Th1) and CD(superscript 8+) T cell mediated immune response, which suggested that it will be a promising regimen for MTB vaccine development.

结果表明，DNA初发免疫、BCG加强免疫法能显著提高小鼠CD(上标 4+)，CD(上标 8+)T细胞介导的免疫应答，增强小鼠抗结核杆菌感染能力，是提高结核病疫苗免疫效果的新途径。

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。