金属物质

It is noteworthy that silver powder is not acidproof, when it comes to acid will react to lower metallic luster, inking and business card printing and membership card should be used when the secondary material clients'require neutrase.

值得注意的是银粉不耐酸，当遇到酸性物质时将起化学反应，使金属光泽降低，故在调墨和制卡和会员卡制作时应采用中性辅助料进行调配。

Porphyrins and metalloporphyrins are important life-substance, existing in vivoextensively, which are key structures of chlorophylls, hemachrome, vitamin 〓,hemoglobin, etc.

卟啉及其金属络合物是一种具有多种功能的生命物质，广泛存在于生物体内，是重要生命物质如叶绿素、血红素、维生素〓、血红蛋白等化合物的关键结构。

Through constructing the material flow analysis method and model of the magnesium resources and their products, it identifies and quantifies the quantity, structure and characteristics of the substance metabolism of the magnesium metal materials in China's macro level. The input of abiotic resources and the ecological burden in the practice of smelting magnesium with Pidgeon process in China is calculated.

通过构建镁资源及其产品的物质流分析方法和模型，确定并量化了我国宏观层次镁金属材料物质代谢的数量、结构和特征，计算出皮江法炼镁的非生物资源投入量和生态包袱。

With the co-precipitation, using cross experiment, constitute of catalyst (include 2 equations), proportionment of precipitator, aged time, calcine temperature, had been discussed-how to influence the activity of catalyst. The activity will be primed if prepareing the catalyst with CuO:ZnO:CeO_2=6:9:10, using NaOH as precipitator, aged time 3h, calcining the calatyst at 450℃.

在共沉淀法中利用正交试验对催化剂中各种物质的配比量、沉淀剂类型、陈化时间和焙烧温度这4种因素进行了4水平分析，结果显示制备催化剂时使用的金属盐Cu(NO_3)_2、Zn(NO_3)_2和Ce(NO_3)_3的物质的量之比符合n_1∶n_2∶n_3=6∶9∶10、并且NaOH溶液作沉淀剂、3h陈化后在450℃焙烧，制得的催化剂催化效果最好，在130℃时CO转化率即达到99％以上。

According to geological characteristics of mineral area,geological conditions of mineralization,geochemical characteristics,material sources of mineralization,mineralization patterns,as well as physical and chemical conditions of mineralization,it summarize the mineralization pattern and genesis of ore deposit of Xianghualing mining areas,considering that mineralization materials in this deposit mainly come from magma,genesis patterns of deposit include high-temperature gas-liquid Nb、Ta deposit related to albitization laying in or on the edge of granite rock bodies,median-high temperature Skarn Sn,Be deposit related to skarnized laying at the inner contact-belt of granite and carbonate rock bodies;median-high temperature cassiterite -sulphide mineral deposit related to skamized laying at outer contact-belt of granite and carbonate rock bodies and median-low temperature hydrothermal liquid Pb-Zn-Ag deposit related to silicification,fluorite, propylitization laying in wall rocks;Series of generalized magma- hydrothermal liquid type Sn-polymatellitic related to magmatic activity in Yanshan period as a whole.

通过对矿区地质特征、成矿地质条件、地球化学特征、成矿物质来源、成矿作用、矿化型式以及成矿物理化学条件的分析，总结了香花岭矿区的矿床成因以及成矿模式，认为香花岭锡多金属矿成矿物质主要来源于岩浆，矿床成因类型包括花岗岩体内及其边部产出的与钠长岩化有关的高温气液型Nb、Ta矿床、花岗岩体与碳酸盐岩内接触带产出的与矽卡岩化有关的中高温矽卡岩型Sn、Be矿床、花岗岩体与碳酸盐岩外接触带产出的与矽卡岩化有关的中高温锡石硫化物矿床以及围岩中产出的与硅化、萤石化、青磐岩化有关的中低温热液型铅锌银矿床，整体构成与燕山期岩浆活动有关的广义岩浆热液型锡多金属成矿系列

Using materials such as earth, water, wood, metal, cotton, paper, stone and mirrors, the juxtaposition of natural and man-made materials -- left as far as possible in an unaltered state -- allowed materiality to speak for itself, almost entirely free of artistic intervention.

他们采用了诸如泥土、水、木材、金属、棉布、纸张、石头和镜片的物质材料，将这些自然和人工的材料并置在一起——尽可能地让它们保留在一种未经改变的状态中——这样物质本身得以言说自身，几乎完全排除了人为的干预。

Using materials such as earth, water, wood, metal, cotton, paper, stone and mirrors, the juxtaposition of natural and man-made materials--left as far as possible in an unaltered state -- allowed materiality to speak for itself, almost entirely free of artistic intervention.

他们采用了诸如泥土、水、木材、金属、棉布、纸张、石头和镜片的物质材料。将这些自然和人工的材料并置在一起——可能地让它们保留在一种未经改变的状态中——这样物质本身得以言说自身，几乎完全排除了人为的干预。

Coverage includes water and soil contamination; environmental problems associated with transportation; geological processes affecting biosystems and people; remediation of man-made or geological hazards; environmental problems associated with mining and abstraction activities for industrial minerals, coal and ores as well as for oil and gas, water and energy; environmental impacts of exploration and recultivation; impacts of hazardous facilities and activities; land use management; management of environmental data and information in data banks and information systems.

主题包括：废弃物处理和管理造成的水和土壤污染；工业造成的水和土壤污染；运输引起的环境问题；威胁或影响生物系统和人们的地质作用过程；人类造成的或地质作用引起的灾害的减缓；地球物质材料资源的恢复保护；采矿活动造成的环境问题，如煤、金属矿石、石油、天然气、水等；勘探的环境影响；危险物质和活动的环境影响；土地利用（包括社会政治的政策决定）；环境数据和信息的管理。网站免费提供该刊1975年创刊至今的目次和文摘，全文则仅限授权用户使用。

Inhibitor is a chemical species or admixture, which exists in the medium and can prevent from corrosion or retard corrosion. It is an effect method to use inhibitor to prevent metals and its alloys corrosion in environmental medium.316L stainless steel is an austenitic stainless steel consisting molybdenum, and its corrosion resistance was improved much than normal stainless steel.

缓蚀剂是一种以适当的浓度和和形式存在于环境中时，可以防止或减缓腐蚀的化学物质或几种化学物质的混合物，合理使用缓蚀剂是防止金属及其合金在环境介质中发生腐蚀的有效方法。

The inner core has been impregnated or 'doped' with a substance that will absorb the diode light, in the case shown the rare earth metal ytterbium.

内核的内部被注入或掺杂一种能吸收二极管光线的物质，此物质为稀土金属-镱，。

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。