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铜炭
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  copper carbons
     Determination of Total Copper in the Copper Carbons and its Compound Preparations
     蒙药铜炭及其复方制剂中总铜的含量测定
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  相似匹配句对
     COPPER
    
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     Within the layer the copper?
     ?
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     An Effective Method of Decoppering from Gold Loaded Carbon with High Copper Content
     高载金氰化脱
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     CARBON FIBERS
     纤维
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     (Carbon films)
    
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The total copper was determined in the copper carbons and its componud preparationsby used extraction-photometry method. Under the condition pH4.8, Cu~(2+) and Natrii diethyldithiocar-bamas produced stable coordinate matter after the samples were nitrated. The copper was determined with CCL_4 extracting method at max 440 nm. The consistency of Cu~(2+) in 0.5~2.5μg/ml and absorption have a excellent linear relation (r=0.9999) also high sensitivity (ε= 1.3×l0_4) and reappearance (RSD = 0.43%, n=6). The sample-adding...

The total copper was determined in the copper carbons and its componud preparationsby used extraction-photometry method. Under the condition pH4.8, Cu~(2+) and Natrii diethyldithiocar-bamas produced stable coordinate matter after the samples were nitrated. The copper was determined with CCL_4 extracting method at max 440 nm. The consistency of Cu~(2+) in 0.5~2.5μg/ml and absorption have a excellent linear relation (r=0.9999) also high sensitivity (ε= 1.3×l0_4) and reappearance (RSD = 0.43%, n=6). The sample-adding retrieval rate is 99.89%, RSD = 0.69 (n=9).

# 应用萃取分光光度法测定了蒙药铜炭及九味铜炭散中总铜的含量。样品经消化后,在pH8.4条件下Cu~(++)与二乙基二硫代氨基甲酸钠生成稳定的棕黄色配合物,以四氯化碳萃取,于λ_(max)440nm处测定,Cu~(++)的浓度在0.5~2.5μg/ml范围内与吸光度呈良好的线性关系(r=0.9999); 灵敏度高(ε=1.2×10~4),重现性好(RSD=0.43%、n=6);加样回收率为99.89%、RSD=0.69%(n=9)。

The intercalation compound was synthesized by mixed molten salt with carbon fibers as host and CuCl_2 as guest. It is found that the microcrystal in the intercalation compound becomes more when its structure is analyzed by X ray diffraction. The surface morphology, characters of thermal stability and IR extinction of the intercalated carbon fibers are compared with the plated carbon fibers. The results show that both intercalated carbon fibers and copper-plated fibers can interfere infrared from 8 to 14μm,...

The intercalation compound was synthesized by mixed molten salt with carbon fibers as host and CuCl_2 as guest. It is found that the microcrystal in the intercalation compound becomes more when its structure is analyzed by X ray diffraction. The surface morphology, characters of thermal stability and IR extinction of the intercalated carbon fibers are compared with the plated carbon fibers. The results show that both intercalated carbon fibers and copper-plated fibers can interfere infrared from 8 to 14μm, and the average mass extinction coefficient of the latter is slightly more than the former. When the decomposed percentage of the sample is 5%, the temperature of the intercalated carbon fibers is higher than that of the copper-plated, which is 660.6℃ and 545℃, respectively.

采用混合熔融盐法合成了以炭纤维作宿主 ,以 Cu Cl2 作插层剂的层间化合物 ,利用 X射线衍射技术分析其结构 ,发现其中石墨微晶尺寸增大。比较研究了插层炭纤维与镀铜炭纤维的表面形貌、热稳定性以及对红外的消光性能。结果表明 :插层炭纤维和镀铜炭纤维对 8~ 14 μm红外均有较大消光 ,后者的平均质量消光系数稍大于前者 ;镀铜炭纤维分解 5 %时的温度高于插层炭纤维的 ,二者分别为 6 6 0 .6℃和 5 4 5℃。

Copper mineralization of Emeishan basalt in Yunnan-Guizhou border area shows stratabound character and occurs mainly in the lower part of the Fourth Member of Upper Permian Emeishan Basalt Formation. The host rocks are quenched-shattered amygdaloidal basalts at the tops of the basalt floods and carbonolithintercalations in the basalt floods. Copper minerals mainly include native copper and its oxides such as cuprite, tenorite and malachite together with a littlechalcocite. Gangue minerals comprise mainly bitumen,...

Copper mineralization of Emeishan basalt in Yunnan-Guizhou border area shows stratabound character and occurs mainly in the lower part of the Fourth Member of Upper Permian Emeishan Basalt Formation. The host rocks are quenched-shattered amygdaloidal basalts at the tops of the basalt floods and carbonolithintercalations in the basalt floods. Copper minerals mainly include native copper and its oxides such as cuprite, tenorite and malachite together with a littlechalcocite. Gangue minerals comprise mainly bitumen, carbon matter, quartz, zeolite, calcite and epidote. The typical mineral assemblage of the basalts-hostedcopper ore is native copper + bitumen + quartz and that of the carbonoliths-hosted ore is native copper + carbon matter + zeolite + quartz (+ chalcocite). Copper ore-forming process took place probably later than Jurassic and might be divided into two stages: one was earlier than crude oil and the other was later thanbitumen. Folds provided tectonic traps for organic fluids, whereas quenched-shattered amygdaloidal basalts provided space for organic fluids and metallogenic fluids. This type of copper mineralization is somewhat different from the Keweenawbasalt copper deposits. Organic matter played an important role in copper mineralization.

滇黔交界地区峨眉山玄武岩铜矿化具层控特征 ,主要发育于上二叠统峨眉山玄武岩组第四岩性段下部。矿化主岩为玄武岩流顶部的淬碎玄武质角砾岩和玄武岩流之间的含炭沉积岩 ;矿石矿物主要为自然铜及其表生氧化产物黑铜矿、赤铜矿、孔雀石等 ;脉石矿物主要有沥青、炭质物、石英、沸石、方解石、绿帘石等 ,此外还有少量绿泥石、钠长石、铁阳起石、榍石、辉铜矿、硅孔雀石、铜蓝、褐铁矿等。以玄武岩为主岩的铜矿石典型矿物组合为自然铜 +沥青 +石英及不含沥青等有机质的自然铜 +石英 +绿帘石 ,以含炭沉积岩为主岩的铜矿石典型矿物组合为自然铜 +炭质物 +沸石 +石英 (+辉铜矿 ) ;原生铜矿化有 2个期次 :早期铜矿化发生于有机质流体贯入之前 ,晚期铜矿化发生于有机质流体贯入之后。该类铜矿化的同生火山热液特征不明显 ,以后生热液矿化为主。淬碎玄武质角砾岩不仅是有机流体的良好储层 ,也为成矿流体提供了就位空间 ,是铜矿化层控特征的主要控制因素。有机流体及含碳沉积岩中碳质为成矿物质以自然铜形式沉淀提供了还原条件。

 
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