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hydrate    
相关语句
  水合物
    Application Prospects of Coalbed Methane Hydrate Technology
    煤层气水合物技术的应用前景
短句来源
    Research on inducement time of formation of gas hydrate
    合成瓦斯水合物诱导时间的研究
短句来源
    Discussion on the control factors of forming gas hydrate
    瓦斯水合物生成控制因素探讨
短句来源
    Application Prospect of Hydrate Technology in CBM Storage and Transportation
    水合物技术在煤层气储运中的应用前景
短句来源
    Study of Decomposition Thermodynamics of Gas Hydrate
    瓦斯水合物分解热力学研究
短句来源
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  水合
    The results of Tl adsorption by iron showed that the absorption of Tl by ferrous hydrate could be affected by pH of solution and the concentration of iron, especially the valence state of Tl. T1(I) can be absorbed by ferrous hydrate, especially in the Cl" solution, and the absorption rate is about 50%, but less than 20% in the SO42" solution.
    铁的水合氧化物对TI(I)具有一定的吸附能力,阴离子种类对Tl(I)吸附的作用稍有差别,C1-离子存在时,铁对Tl(工)的吸附更强一些,吸附率达到50%左右,而S叮一离子存在条件下,铁对Tl(I)的吸附率小于20%。
短句来源
    It is shown, apart from thecontent of cross-linking agent and hydrate time, the PH value is the important factor influencing the cross-linking time and thermal stability of water gel explosive.
    结果显示,除了交联剂含量,胶粘剂含量,水合时间等因素外,PH值是影响水胶炸药交联时间及热稳定性的重要因素。
短句来源
    Based on analysis of fundamental chemical principle of the separation and enrichment of silver from base metal,gold,matals of platium family,this paper made a review of the technique of reducing silver chloride by using hydrazine hydrate as well as formaldehyde ,zinc dust,iron powder and by smelting with sodium carbonate added. Besides,the comparisons among various reducing methods are made in this paper.
    在分析银与贱金属、金、铂族金属分离富集的基本化学原理的基础上,评述了水合肼、甲醛、锌粉、铁粉还原氯化银和碳酸钠熔炼还原氯化银技术,比较了各种还原方法的优缺点。
短句来源
    The surface modification product was tested and analyzed by SEM,TEM,XRD. The results show that hydrate titanium dioxide film on the ultra fine calcined coal kaolin is well distributed and compact,the thickness of film is about 150nm,the surface modification product is anatase crytal structure,which is very poor crystalline.
    运用SEM、TEM、XRD等手段对改性产品进行了测试分析,结果表明基体颗粒表面包覆的水合二氧化钛膜均匀、致密,膜的厚度约150nm ,整个改性产品呈结晶程度很差的锐钛型结构。
短句来源
    The paper introduces the formation of imitative gas hydrate at the temperature in main shaft and moderate high pressure.
    通过实验 研 究 了 利用 模 拟 瓦 斯 气体 在 井 下 温 度和 中 高 压 的条 件 下 合 成 瓦斯 水 合 物 。
短句来源
更多       
  水合物
    Application Prospects of Coalbed Methane Hydrate Technology
    煤层气水合物技术的应用前景
短句来源
    Research on inducement time of formation of gas hydrate
    合成瓦斯水合物诱导时间的研究
短句来源
    Discussion on the control factors of forming gas hydrate
    瓦斯水合物生成控制因素探讨
短句来源
    Application Prospect of Hydrate Technology in CBM Storage and Transportation
    水合物技术在煤层气储运中的应用前景
短句来源
    Study of Decomposition Thermodynamics of Gas Hydrate
    瓦斯水合物分解热力学研究
短句来源
更多       
  水化
    In an unlimited quantity of water, hydrate Ca(OH)_2+Fe_2O_3.aq+Al_2O_3.aq + SiO_2.aq of silicate cement can reduce greatly the flotability of pyrite. Among them, Ca(OH)_2 is a main component for depressing nickel-pyrite mineral.
    硅酸盐水泥在无限量水中的水化产物Ca(OH)_2+Fe_2O_3·aq+Al_2O_3·aq+SiO_2·aq显著降低镍黄铁矿的可浮性,Ca(OH)_2是抑制镍黄铁矿的主要成分。
短句来源
    The microcosmic structure of the samples is analyses by SEM and XRT, the change was studied of intensity, microcosmic structure and the component of the hydrate resultant on different conditions.
    通过XRD与SEM对试样的微观测试分析,研究了制品随水化龄期抗压强度与其内部的微观结构和水化产物成分的变化。
短句来源
    The impact of sodium nitrite on the microstructure and strength of hydrate product of high water content material is investigated.
    研究表明:高水充填材料的水化产物主要是以钙矾石为主的胶凝材料;
短句来源
    Experimental results show that hydrate product of high water content material is mainly composed of ettringite and sodium nitrite plays a positive role in accelerating sulpholuminate cement hydration and in improving the pole structure of hardenite of high water content material, especially at 5 ℃.
    亚硝酸钠具有促进硫铝酸盐水泥熟料水化和改善高水充填材料硬化体孔结构的双重作用,在5℃时这种作用更加明显. 以硫铝酸盐基填充材料代替木材、钢材作为可泵性支护材料,具有凝结硬化速度快、施工方便、价廉等优点,但施工温度低于20℃时材料的性能研究报道甚少.
短句来源
    Hydration mechanism of coal gangue grouting agent was analyzed in this paper,the results shown that the agent is composed of CSH gel,CH crystal,calcium aluminate hydrate and calcium aluminate sulfate hydrate. Meanwhile the grout also contained unhydrated activated mineral crystal,thus it can ensure the calculus strength had a tendency which continues to increase.
    对煤矸石灌浆材料的水化机理进行了分析,发现浆材的水化物主要为CSH凝胶、CH晶体、水化铝酸钙以及水化硫铝酸钙(AFt)等,同时还有未水化的活性矿物晶相,可以保证结石体强度有继续增大的趋势。
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  hydrate
2,5-Bihydrazino-1,3,4-thiadiazole (2) was synthesized by condensation of 2,5-bimercapto-1,3,4-thiadiazole (1) with hydrazine hydrate, and compound 2 reacted with acyl chloride to give 2,5-biacylhydrazino-1,3,4-thiadiazole derivatives (3a-3e).
      
Gas hydrate is a recently-found new source of energy that mostly exists in marine sediments.
      
In recent years, we have conducted gas hydrate exploration in the South China Sea.
      
The Xisha trough, one of the promising target areas for gas hydrate, is located in the northern margin of the South China Sea, adjacent to several large oil and gas fields.
      
These geochemical anomalies are quite similar to those found in gas hydrate locations in the world such as the Blake Ridge and may be related to the formation and dissociation of gas hydrates.
      
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