查询词典 Zn

The regression equations of B and Zn to the grein yield and the protein content in two fertilities have been set up with orthogonal polynomial regression method in this paper.

利用回归方法建立了两种肥力基础上产量和蛋白质含量硼、锌效应方程。

A local plant Suaeda heteroptera, which widely distributed in tideland ecosystem of Shuangtaizi Estuary, Panjing city, was selected in the Liaoning province as a object to study,.

以辽宁盘锦双台子河口潮滩湿地生态系统一种常见土著植物翅碱蓬作为研究对象，分析了Cu、Zn、Pb和Cd在该植物体内的累积分布、迁移规律并对其重金属的耐性进行了初步的探讨。

The preparation method comprises the steps as follows: houghite ZnAl-NO3-LDHs is taken as the precursor, ion exchange method is adopted to insert the 2- naphthylamine-1, 5-disulfonic acid to the interlayer of ZnAl-NO3-LDHs, thereby assembling and acquiring the ZnAl-NADA-LDHs of good crystalling phase structure and splendid performance.

超分子结构2-萘胺-1，5-二磺酸插层材料，简写为ZnAl-NADA-LDHs，其分子式为：[Zn 2 1-x Al 3 x 2 ](C 10 H 7 NO 6 S 2 ) 2- x/2 mH 2 O，是以水滑石ZnAl-NO 3 -LDHs为前体，采用离子交换法将2-萘胺-1，5-二磺酸插入到ZnAl-NO 3 -LDHs层间，组装得到晶相结构良好、性能优异的ZnAl-NADA-LDHs。

The study results of sediments from Guangzhou water body showed that the main crystalline minerals in sediments were quartz, kaolinite and hydromica, and heavy metals were associated mainly with residual phase, organic phase and iron oxides phase.

而且解吸和吸附过程不是完全可逆的；(6)广州城市水体污染沉积物中的结晶矿物相以石英、高岭石和水云母类矿物为主，重金属元素Pb、Zn、Cu、Ni、Cr、Mn主要以残渣态、有机态和氧化铁结合态存在。

Methods: The following five sites in the city were selected as monitoring spots, namely, the First Smelter of Tongling Nonferrous Metal Group, the second Smelter of Tongling Nonferrous Metal Group, the Changjiang High-speed Passageway, Fenghuangshan Copper Mine district, residential area, respectively. The moss species Hypnum plumaeform e collected from Huangshan mountain was placed in nylon bag of 15.5 cm×5.5 cm in size and 2.0 mm×2.0 mm in meshes, with each bag having 3 g moss and then sealed by a nylon wire. Moss bags were suspended in five urban exposure sites and then gathered after two months. The content of heavy metal in the tested moss were analysed by atomic absorption spectroscopy.

选取铜陵市的铜陵一冶、铜陵二冶、长江快速通道、凤凰山铜矿区和居民区5处监测点，以采自黄山的大灰藓为材料，用尼龙筛网（网眼2.0 mm×2.0 mm）做成15.5 cm×5.5 cm的矩形袋子，每袋放3 g，2007年3月22日悬挂于各监测点，完全暴露在空气中，2个月后取回，采用原子吸收光谱法对样品中Cu、Cd、Cr、Pb、Zn 等重金属元素含量进行测定。

Zn~(2+), iminazole, EDTA, K+, Cu~(2+)could inhibit its activity respectively.

确立了核酸酶粗提物的琼脂糖凝胶电泳测活体系。

However, the nanowires with an incommensurately modulated superstructure are obtained at the synthesis temperature higher than the boiling point of Zn.

当掺杂剂溶入ZnO纳米基体后，导致载流子密度大大增加，使得ZnO的品格动力学和光学特性发生了较大的变化。

Because the Bi atoms accumulated at the surface of the IMC layers inhomogeneously, partially impeding the IMC dissolving into the molten solder, a serrated-like Cu-Zn-Sn IMC layer was formed at the Sn-8Zn-3Bi/Cu interface

同时，由于Bi在金属间化合物表面的偏聚，部分地阻挡了金属间化合物向液态焊料的溶解，导致了Sn-8Zn-3Bi焊料合金界面金属间化合物层呈锯齿状。

By investigation and research, the prevention countermeasures were proposed. Meanwhile, the effective basis would be offered to reduce and recycle innoxiously the MSW.

文教区为As和Cu，其余区为Cu和Zn，并在大量调研的基础上提出杨凌城区垃圾重金属污染的防治对策。

Instrumental neutron activation analysis was used to determine 33 elements in petal and pedicel of Saussurea involucrate from five different growing places and 14elements in surface laper and nucleus of nstural pearl.

用仪器中子活化法测定了5种不同产地的雪莲花和花茎中的33种元素，对其不同产地和不同生长部位的元素含量进行了比较；还测定了天然珍珠、珍珠层粉及珍珠核中I、Fe、Zn等14种元素，对不同部位的元素含量进行了比较分析。

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。