查询词典 Zn

Experimental results show that rapid solidification technology can remarkably optimize Mg-Zn-Nd alloy's microstructure and property,there are three zones of fine grain zone,columnar grain zone and equiaxial grain zone in ribbon's solidification structure,which reserve structure character of cast-magnesium alloy.

结果表明：快速凝固技术可显著优化Mg-Zn-Nd合金的组织结构与性能；薄带的凝固组织分为细晶区、柱状晶区、等轴晶区三个区域，保留了铸态凝固组织的特性；快速凝固技术的细晶强化和固溶强化可明显改善Mg-Zn-Nd合金的强度与塑性。

Through the regression analysis of critical radius ,it is show that Zn nanoparticles' diameters are determined by reaction pressure and irrelated to the rate of airflow.

标 签 Zn/ZnO 纳米粒子激光化学临界粒子半径r* Zn/ZnO nanoparticles laser chemistry critical radius r

Iron deposit is concerned with spilite keratophyre, rich in Fe, Na〓O, Alternative types are similar-skarnization, Iron deposit is of aeromagnetic anomaly. Indexes of Cu, Pb-Zn deposits are contemporaneous fault, ore-bearing bed, volcanic rock with high potassium, volcanic structure, a serious of alternative in ore-bearing bed and under ore-bearing bed, high content of Pb, Zn, Ag, Cu, Cd, Ba, As, CaO, Fe, Mn, low Na〓O, Al〓O〓 in mineralizing body.

铅锌矿形成大矿富矿指标：①NW、NE向同生断裂；②有利含矿层位D〓k〓〓；③酸性富钾火山岩；④火山机构发育；⑤有利于矿质聚集的火山洼地；⑥发育与流体活动有关的矿下层、矿层、蚀变岩筒蚀变；⑦块状、浸染状铅锌黄铁磁黄铁矿石；⑧原生晕中Pb、Zn、Ag、Cd、Ba、Cu、As元素组合，CaO、TFe、Mn富集，Na〓O、Al〓O〓亏损，其下部位富K〓O或Na〓O。

An intercrystalline ductile fracture physical model of ultra-high-strength Al-Zn-Mg-Cu alloy was given and the stage fracture behaviors of equilibrium phase, matrix precipitation and microzone of precipitate free zone were analyzed by TEM observation of the quenched and aged microstructures, the fracture behavior and morphology of Al-Zn-Mg-Cu alloy.

摘 要：根据超高强铝合金淬火、时效组织透射电镜观察结果，以及合金断裂行为与断口形貌分析，提出了一种Al-Zn-Mg-Cu合金产生延性断裂的物理模型。

An intercrystalline ductile fracture physical model of ultra-high-strength Al-Zn-Mg-Cu alloy was given and the stage fracture behaviors of equilibrium phase,matrix precipitation and microzone of precipitate free zone were analyzed by TEM observation of the quench ed and aged microstructures,the fracture behavior and morphology of Al-Zn-Mg-Cu alloy.

根据超高强铝合金淬火、时效组织透射电镜观察结果，以及合金断裂行为与断口形貌分析，提出了一种Al-Zn-Mg-Cu合金产生延性断裂的物理模型。

5The leachate recirculation promoted the speciation of Cu and Zn shift fromunsteady fractions (acid soluble fraction and reducible fraction) to steady fractions(oxidable fraction and residual fraction), and attenuated their migration.

不同时期不同深度填埋层内Cu和Zn形态的差异明显，填埋垃圾的好氧环境的暴露能促使Cu和Zn从稳定态向不稳定态迁移。

Mechanism of flocculation and structure characterization of PSAZ and PSMZ were studied. By XRD instrument analysis, PSAZ and PSMZ which is composed with Zn~(2+)、Al~(3+)or Mg~(2+) and polysilicic acid is amorphous polymer.

对两种絮凝剂絮凝机理和结构进行了研究。X射线衍射图谱分析表明，这两种絮凝剂并非简单的共混物，而是Al~(3+)、Zn~(2+)或者Mg~(2+、Zn~(2+)与聚硅酸形成的无定形聚合物。

Based on the analysis of the contents of Cu, Pb, Mn, Zn, and Cr in the rhizosphere sediments of Phragmites australis and Scirpus mariqueter at tidal flat in Changjiang Estuary, the following conclusions can be drawn.

长江口滨岸潮滩芦苇与海三棱草根系、茎叶以及根际沉积物中Cu、Pb、Mn、Zn、Cr的含量分析发现，Cu、Pb、Zn、Cr在根系中的含量较高，而Mn在茎叶中的含量达到总量的55%以上。

This article mainly deals with Cr's pollution affecting the content of Cr,K,Mg,Fe,Mn,Zn,Cu,Mo in floating and underwater leaves of Trapa bispinosa .

研究 Cr6 +污染后菱浮水叶和沉水叶中 Cr、K、Mg、Fe、Mn、Zn、Cu、Mo元素的含量，结果显示：Cr含量随培养浓度的上升而上升，K、Mg随培养浓度的上升而下降，Fe含量随培养浓度的上升而出现先上升后下降，Mn、Zn、Cu、Mo与 Cr6 +的培养浓度无明显的相关关系。

Comparing size distribution of trace elements at haze weather and the normal weather discovered that,Ca、Ti、Fe、Cr showed significant enrichment in the small size particle at the haze weather:Cu,As didn't have different at such two kind of weather conditions;Zn、Mn、Pb appeared bimodal even trimodal distribution,whose suggested that there were a long distance transmission in originations of such three metals.

对比正常天气下的金属元素的粒径分布，发现：Ca、Ti、Fe、Cr 等元素在灰霾发生时细粒径上有明显的富集： Cu、As 在两种天气条件下区别不是很大：Zn、Mn、Pb 等元素在两种天气条件下均出现双峰甚至多峰分布。由此推断 Zn、Mn、Pb 的来源中可能存在长距离传输。

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。