上标

The coordination chemistry of Cu(superscript 2+) and Zn(superscript 2+) in the melanin from testae of Prunus armeniaca var. ansu was investigated to lay a foundation for utilization of the melanin and other phytomelanins.

研究山杏种皮黑色素与Cu(上标 2+)和Zn(上标 2+)络合的相关性质，为山杏种皮黑色素以及其他植物黑色素的开发利用提供依据。

The degree of substitution between Cu(superscript 2+) and Zn(superscript 2+) is increased with increasing Cu(superscript 2+)/Zn(superscript 2+) entering crystal lattices of Zn5(CO3)26/Cu2(CO3)2, and the ratio of copper to zinc in Rosasite and Aurichalcite is unchangeable.

随着Cu(上标 2+)/Zn(上标 2+)进入Zn5(CO3)26/Cu2CO32晶格，离子同晶取代量增加，催化剂前驱体中形成了固定铜锌比的锌孔雀石和绿铜锌矿物相。

It is based on a fact that oxytetracycline reacts with tris (2,2'-bipyridine) ruthenium [Ru(superscript 2+ subscript 3)] to produce enganced electrochemiluminescence signals.

基于土霉素在铂电极上增强三联吡啶合钌[Ru(上标 2+下标 3)]的电化学发光信号，并结合流动注射分析技术，建立了1种测定土霉素的电化学发光分析新方法。

The P. caudatum were cultured in the straw water with different mass concn. of Cu(superscript 2+), its polysaccharide was extracted and detected by the anthrone-sulfuric method and the effect of Cu(superscript 2+) on the content of polysaccharide in P.

方法］通过用含不同质量浓度Cu(上标 2+)的稻草液培养大草履虫，提取其体内多糖，用蒽酮－硫酸法进行检测，研究Cu(上标 2+)对大草履虫体内多糖含量的影响。

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。