查询词典 Zn

Using the methods of field experiment,chemical analysis and biological statistics, effects of applying fertilizer on the law of absorption of Zn、Se and yield quality of spring wheat were systematically illuminated .

通过田间试验与室内分析及生物统计相结合的方法，研究了施肥对内蒙古土默川地区春小麦Zn、Se吸收规律及产量品质的影响。

The effect of concentrations of Zn, Cu, Pb, Cr, Cd on the viscosity and gel properties of actomyosin and myosin was determined by using texture analyzer after addition of heavy metals.

为了解重金属离子污染对鱼体质地的影响，通过外源添加不同浓度的Zn、Cu、Pb、Cr、Cd重金属离子，采用质构仪测定添加不同浓度金属离子对肌动球蛋白和肌球蛋白黏性和凝胶特性的影响。

To address it,this paper expanded the method getting inverse matrix by adjoint matrix to ZN through constructing mapping regulations.

为减小该方法计算代价，将杜里特尔分解和克劳特分解求逆推广到ZN，解决了变换阵顺阶主子式模N互质，矩阵变换的逆问题。

These results confirmed that the element concentration of aerenchyma cell wall undergoes dynamic changes during different developmental stages, and a low Ca with high Zn and Cu concentration are needed for cell expansion.

Cu和Zn在细胞壁中的积累呈高度的直线关系，回归分析显示，二者呈现定量关系，推测它们可能有共同的或者类似的转运和吸收机制。

High purity aluminum or allumen (including 1% Zn, mass fraction) alclad on 2024 aerolite is usually employed for improving corrosion resistance. This alclad will greatly impact the mechanical properties of friction stir welded joint.

为提高2024航空铝合金材料的抗腐蚀性能，在其表面通常包有一层高纯铝或含Zn 1%的锌铝合金，包铝层在搅拌摩擦焊时会对接头的性能产生较大的影响。

Furthermore, transfer coefficient between total content and variable speciation including acid-soluble/exchangeable, reducible, oxidisable fraction of heavy metals are different. Transfer coefficient of total Cr is 0.65 in tailings area, but that of variable speciation is 0.26. In contrast with Cr,transfer coefficient of total Ni is 0.26, but that of variable speciation is 0.67. The similar characteristics on Pb and Zn in cultivated soil, namely, transfer coefficient of total Zn is high, but low for variable speciation, which is reversed for Pb. Transfer coefficient of total content and variable speciation in abandoned soil are low compared with above two fields soil, especially, variable speciation of Cu and Ni are not transported almost down soil profile.

重金属总量和活性态（包括弱酸提取态、可还原态、可氧化态）迁移率也表现出很大差异，尾矿区土壤Cr总量迁移率较高为0.65，而其活性态迁移率较低为0.26，Ni与Cr迁移特征完全相反，总量迁移率为0.26，而活性态迁移率为0.67；农田土壤中Pb总量迁移率低而活性态迁移率高，Ni与Zn特征相似，总量迁移率高而活性态迁移率相对较低；大棚地土壤中重金属迁移率均较低，Cu和Ni活性态几乎未发生向下迁移。

After heattreatment, the surfactant removal causes the formation of ZnO nanorod-bundle structures. In addition, the addition of F_(127) could improve their gas-sensing property.Fourthly, Zn-W-O nano-composite materials were fabricated by sol-gel and surface-coated methods, respectively, and their gas-sensing property to VOCs was discussed.

第四，本文分别采用sol-gel方法与表面修饰技术制备了Zn-W-O体系纳米复合材料并讨论了气敏性能。X射线衍射、场发射扫描电镜以及气敏测试结果表明，采用这两种方法制备的Zn-W-O体系纳米复合材料中，均出现了具有白钨矿结构的高电阻的ZnWO_4相。

At 823 K and /or lower temperature, methane could adsorb or even adsorb dissociatively over Mo, Pd-Ga, La-Zn, Ag, Cr and La-Zn loaded zeolites.

甲烷能够在773 K或者更低的温度下在Mo／HZSM-5、Pd-Ga／HZSM-5、Ag/HZSM-5、Cr／HZSM-5和La-Zn／HZSM-5负载的催化剂上实现吸附甚至活化吸附。

Element geochemical study shows that the contents of Zn, Pb, and Cd in the regional strata and host rocks are typically higher than those of similar lithologies of the earths crust.

元素地球化学研究表明，区域地层和容矿岩石中主成矿元素Zn和Pb及分散元素Cd的含量普遍高于地壳同类岩石丰度，其中Zn和Cd的含量通常高出十倍以上。

Regional geochemical mapping in Chongqing sheet indicates geochemical anomalies of Hg, Pb, Cr, Cd, Cu, Zn, Sb, Bi, F, P in Chongqing City proper. Chongqing City has been polluted by Hg, Pb, Cr from pesticide and in the waste water from pharmaceutical factories, paper mills, chemical plants, oil refineries. Rivers, especially, tributaries of the Yangtze River and the Jialing River, in the region have been seriously polluted.

1：20 万重庆幅区域化探显示Hg、Pb、Cr、Cd、Cu、Zn、Sb、Bi、F、P等元素在重庆市主城区异常发育，除Hg、Zn外重庆市均高于成都市，重庆市的污染更严重；Hg、Pb、Cr等元素在制药、造纸、化工、炼油和农药等工厂排污污染严重；河流污染长江、嘉陵江支流重于主流，主河流经过城区污染明显，长江污染重于嘉陵江，重庆市是长江的重要工业污染源；主要风景区和饮水源地球化学背景良好。

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。