查询词典 Zn

Values, the chemical composition of biotite of them and their petrochemical composition on the corresponding dia grams are all distributed transitionally between the "typi cal areas"; 2 that the micro-elements indicating genesis and the REE distribution parttens display the transitional change from the mines in North to those in South in this region; 3 that their K-Ar age of biotite is distinctively inconsistent with their Rb-Sr age of total rocks; and 4 that there occur several rock body groups with various genetic features which are formed at the corresponding time in the same Pb-Zn ore fields.

具体表现在全岩锶同位素初始比值、黑云母化学成分，岩石化学成分在相应图解上不集中而呈&过渡态&分布；微量元素成因特征及稀土分配型式在本区空间上呈&过渡态&展布；岩浆分异演化过程中各种地球化学演化参数不连续变化；全岩Rb-Sr同位素年龄与黑云母K-Ar年龄值严重不合；同一矿区，普遍发育不同岩性组合的岩体群等等。因此，地洼型多因复成成岩成矿作用在湘南铅锌矿床形成过程中是一个带有普遍性的区域成矿规律。

Diethylene triamine had good control of the synthesizing of ZnSe nanocrystal, but the condition of high temperature and strong alkalescence had negative influence on the morphology of nanofibers. PAN and MMA-BMA-AA nanofibers whose diameter were about 200nm could be electrospun by optimize technics summed by experiment.

通过实验总结出制备PAN与MMA-BMA-AA静电纺纳米纤维优化纺丝工艺，可纺出直径在200nm左右的PAN／MMA-BMA-AA纳米纤维毡，所得聚合物纤维包含一定数量的羧基，Zn~(2+)在溶液条件下可与之配位。

The amounts of Fe,Zn and Mn in Tricholoma Giganteum fruit bodies were determined by flame atomic absorption spectrometry.

采用火焰原子吸收光谱法测定了巨大口蘑子实体中的微量元素铁、锌和锰的含量，方法简单，精密度和灵敏度高，相对标准偏差为0.378%—0.842%，回收率95.83%—99.45%。

The main objective of this paper is to use Cu,Zn,Cd and oxytetracycline, norfloxacin as experimental toxicants and Cyprinus carpio,Carassius auratus Pengzenensis, Trionyx sinensis as as experimental creature, studied the toxicity of copper,zinc,cadmium to the larval carps; accumulations of copper,zinc in the larval carps.

本研究以三种重金属和土霉素、诺氟沙星为实验毒物，以鲤、彭泽鲫和中华鳖为实验动物，研究了铜、锌、镉三种重金属对鲤幼鱼的毒性作用，以及铜、锌在鲤幼鱼中的积累。

In order to investigate the relationship between the open-chain ligands and metal ions, and the possibility of the metal complexes used as electroluminescent materials, a new naphthol schiff base ligand which is a open-chain crown and its four transition metal complexes, a new amide type tripodal ligand containing heterocyclic ring, two tripodal ligands (H〓L〓 and H〓L〓) containing phenol schiff bases and their rare earth complexes were synthesized and characterized.

为了进一步研究和探讨开链配体与金属离子的配位作用，以及金属配合物作为电致发光材料的可能性，我们设计合成了含萘酚环的Schiff碱开链冠醚H〓L〓及四种过渡金属(Zn、Ni、Co、Cu)配合物，两个含酚羟基的Schiff碱三足配体H〓L〓和H〓L〓及稀土配合物，一个含杂环的酰胺型三足配体L〓，培养了配体L〓的单晶，确定了其晶体结构。

Similarly, the quantified uptake rates of Cd and Zn were directly correlated with the O2 consumption rate in this experiment Although the O2uptake in mussels was enhanced by exposure to pentachlorophenl, an uncoupler of oxidative phosphorylation, the Cd uptake was significantly decreased due to the depression of ATP production.

五氯酚(Pentachlorophenol，PCP)能够导致机体氧化磷酸化过程脱偶联，即机体耗氧率提高，但ATP的产生量降低。

The unsoluble Zn, Ca of lung tissue may be extracted by a serious of enzymes and then changed to soluble in the progress of pneumonia.

结果提示了VC是在一定范围内通过自由基机制抗气溶胶致细胞毒性。

The contents of other metal elements Na, Mg, K, Al, Mn and Pb in lagenal otoliths were not significantly different from those in utricular and saccular otoliths.

瓶状囊耳石中其它金属元素Na、Mg、K、Al、Mn、Pb的含量与球囊和椭圆囊耳石相比无显著性差异，但Zn、Ba、Cu的含量低于球囊耳石。

The contents of other metal elements Na, Mg, K, Al, Mn and Pb in lagenal otoliths were not significantly different from those in utricular and saccular otoliths.

瓶状囊耳石中其它金属元素Na、Mg、K、Al、Mn、Pb的含量与球囊和椭圆囊耳石相比无显著性差异，但Zn、Ba、Cu的含量略低于球囊耳石。

Nutrient composition of Vallisneria natans was analyzed. Results show that V. natans contained 218.4 gkg^(-1) of protein, 51.4 gkg^(-1) of crude fat, 37.6 gkg^(-1) of polysaccharides, 265.7 gkg^(-1) of ash; and 147.6 gkg^(-1) of total amino acids, 55.0 gkg^(-1) of essential amino acid; and a number of mineral elements, such as 60.5 gkg^(-1) of K, 10.9 gkg^(-1) of Ca, 16.3 gkg^(-1) of Fe, 12.7 gkg^(-1) of Na.

沉水植物苦草的营养成分分析结果表明，其蛋白质含量为218.4gkg^(-1)，脂肪含量为51.4 gkg^(-1)，多糖含量为37.6 gkg^(-1)，灰分含量为265.7 gkg^(-1)；氨基酸总量为147.6 gkg^(-1)，必需氨基酸为55.0 gkg^(-1)；含有K、Ca、Cu、Fe、Zn、Mn、Na、Al、Ba等多种矿质元素，其中K、Ca、Fe、Na含量分别高达60.5、10.9、16.3、12.7gkg^(-1)。

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。