查询词典 Zn

The catalytic isomerization of isoborneol in the presence or Zn laden or Cu laden catalysts,in liquid phase or gas phase,is reported.

研究异龙脑在常压下被含锌或含铜催化剂催化的液相和气相异构化反应，讨论了反应条件对产物分布的影

A coordination polymer, Zn2(HINA=Isonicotinic acid) was prepared by a solid state reaction of Zn(CH3COO)2·4H2O and HINA at lower heating temperature.

用低热固相合成法制备了配位聚合物Zn2，并用X射线粉末衍射，SEM等方法对产物进行了表征。

In this thesis, five polydentate ligands including azido, oxalate, terephthalic acid, isophthalic acid and Pyridine-2,6-dicarboxylic acid were used to construct new transition metal complexes (M = Ru, Fe and Zn). Eight new complexes as listed below were synthesized and fully characterized.

本论文以草酸根、叠氮根、对苯二甲酸、间苯二甲酸和吡啶-2，6-二羧酸等含O、N的多齿共轭配体为研究对象，合成了以下八个结构新颖的化合物，并对它们的结构和谱学性质进行了详细的表征。

Part IVIn this paper,28 physiologically pH7.43(+0.02),applying fluorescence method,we observed the Fluorescece quenching of bovine serum albumin by its interaction with Cu and Zn or Cu absolutely.

广酉师死大学项士论文：血浙白蚤白的相失研见山111）《川11卜B趴二兀体乐的相且IT用。

This paper studied the fundamental flotation behavior s of the jamesonite and marmatite and the mechanism and the model of NaCN in the Pb-Zn separation.

研究了脆硫铅锑矿与铁闪锌矿两种矿物的基本浮选行为以及铅锌浮选分离中NaCN的作用机理和模型。

This paper studied the fundamental flotation behaviors of the jamesonite and marmatite and the mechanism and the model of NaCN in the Pb-Zn separation.

研究了脆硫铅锑矿与铁闪锌矿两种矿物的基本浮选行为以及铅锌浮选分离中NaCN的作用机理和模型。

The trace elements in Valeriana jatamansi, including Co,Cr,Cu,Zn,were determined simultaneously by flame atomic absorption spectrometry.

摘要采用火焰原子吸收光谱法连续测定了马蹄香中Co、Cr、Cu、Zn4种微量元素的含量。

All these suggest that Juncus Effuses could be used as an indicator of critical value of the toxic effects of the heavy metals, Cu, Cd, Pb, Zn and As, in soil, set on the basis of the upper limit of Grade Ⅱ criteria of the State Soil Environmental Quality Standard.

通过应用综合生态环境效益法，以灯心草为指示植物可以将土壤环境质量二级标准上限值设定为土壤中5种重金属的临界毒性效应值。

Pot experiment was used to study the effects of four amendments (calcium-magnesium phosphate, sepiolite, calcium carbonate and organic manure) on the growth and heavy metal accumulation characters of Juncus effuses grown on the soil contaminated by lead/zinc mine tailings .

通过盆栽试验研究了铅锌尾矿污染土壤上施用钙镁磷肥、海泡石、碳酸钙和有机肥等4种改良剂对灯心草生长发育和产量以及重金属元素Cu、Cd、Pb、Zn积累特性的影响，并分析了施用改良剂后土壤pH值和土壤中有效态重金属含量的变化。

The experiments were conducted to find out the effects of calcium, copper, zinc, manganese ions, SDS and EDTA (ethylene diamine tetraacetic acid) on the superoxide dismutase in muscle of kuruma shrimp Penaeus japonicus, prawn Procambarus clarkii and Bacific white shrimp Litopenaeus vannamei and the differences in SOD in muscle, gill and hepatopancreas.

测定了Ca(上标 2+)、Cu(上标 2+)、Zn(上标 2+)、Mn(上标 2+)及SDS、EDTA不同浓度对日本对虾、克氏原鳌虾、凡纳滨对虾肌肉组织中超氧化物歧化酶活性的影响及其肌肉、鳃、肝胰腺组织中SOD活性的差异，并利用电泳技术研究了组织同工酶。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。