研究结果表明,电脉冲处理对铝硅合金凝固组织中的共晶硅起到很好的细化和粒化作用,达到了类似化学变质的效果;
The results of the experiment show that the eutectic silicon become small and granular by electric pulse discharging, which like the effects treated with chemical modification .
他说道,血腥玛丽内的化学物质属于“高度不稳定型”,而且因为西红柿汁中存在着酸性物质,这种酒很容易变质。
The chemicals in a Bloody Mary are 'highly unstable' - and its quality tends to deteriorate quickly because of the acids in the tomato juice, he said.
一张配方都对抗其因化学降解而导致的变质。以及防止它受到杂菌污染及过度的热量,光能,湿气导致的破坏性影响。
The formulation must be preserved against decomposition due to chemical degradation and protected from microbial contamination and the destructive influences of excessive heat, light, and moisture.
评述了铝硅活塞合金的种类,化学成分,晶粒细化,变质处理,合金化和热处理工艺等优化手段。
It reviews the optimization measures of Al-Si piston alloy, including kinds, chemical composition, grain refinement, modification, alloying and heat treatment.
退变质过程以黄铁矿变斑晶生长、矿石糜棱岩的形成、二次退火和化学再活化为特征。
Retrograde metamorphism at Hongtoushan is characterized by porphyroblastic growth of pyrite, formation of ore mylonite, secondary annealing and chemical remobilization.
本文对陈蔡群变质岩中的斜长用闪岩进行了地球化学研究。
In this paper, the amphibolites in Chencai group metamorphic rocks have been studied by means of geochemistry.
变质玄武岩的地球化学特征与大陆裂谷型火山岩一致,形成于活动陆棚裂陷(谷)盆地的构造环境。
The geochemical characteristics of the metabasalt agree with those of continental rift type volcanic rocks, forming a tectonic environment of the active shelf rift basin.
花沟地区的气体地球化学特征与众不同,可能存在碳酸盐地层变质脱气产生的CO_2的混入,但具体原因尚待进一步研究。
CO_2 gas pools in Huagou district have particular geochemical character, maybe there were some decarbonated CO_2 added into the gas pools, need further research work.
从变质杂岩地层层序、岩石化学、微量元素特征来看,它与绿岩带有许多相似之处。
It has many similarities to the greenstone belt in respect to the sequence of metamorphic complex, petrochemistry and trace element characters.
变质流体作用是变质岩—流体体系的重要地质作用过程,可以通过有效的地质地球化学方法揭示。
The role of metamorphic fluids is an important process in the metamorphic rock fluid system. This process can be revealed effectively by a series of geological and geochemical approaches.
这一问题的解答依赖变质岩石学、地球化学、同位素年代学和构造地质学等多学科综合研究。
To answer the problem needed integrated research of metamorphic petrology, geochemistry, isotope chronology, structural geology and so on.
这些地体不但在古生物、沉积环境、变质变形、岩浆活动和地球物理方面存在着明显的差异,而且在地球化学特征上也迥然不同。
These terranes have great differences from each other in paleontology, Sedimention, metamorphism, deformation, magmatic activity and geophysics, and their geochemical fields are clearly distinct.
变质岩储集空间形成主要有:结晶成因、构造成因、物理风化成因、化学淋溶成因。
The factors related with metamorphic reservoir space are crystallization, structure, physical weathering, and chemical eluviation.
当采用不同的电化学法还原处理后,不同变质程度煤的含氧官能团也都有不同程度的减少。
While after being treated with electronic method, the content of oxygenic groups of all ranks of coal decreases in a certain extent.
地质及地球化学特征分析表明,该矿床的形成过程可以总结为沉积-火山喷流沉积富集、区域变质富集和岩浆改造成矿等三个步骤。
Its geology and geochemistry indicate that it was formed in three steps which are sedimentary and volcanic-exhalation, regional metamorphism and magmatic metallogenesis.
在分析变质岩的含金性及地球化学性质的基础上,认为与金成矿有关的主要元素均源自前震旦系。
Based on analysis of auriferous and geochemical properties of the meta morphic rocks, the authors hold that the major elements related to gold mineralization were derived from the Pre-Sinian System.
在这里,我们研究了出露在意大利西阿尔卑斯山塞西亚地区高压变质岩中变质矿物的微结构和化学组分。
Here we investigate the microstructure and chemical composition of metamorphic minerals in high-pressure rocks exposed in the Sesia zone in the Italian Western Alps.
厄尔士山脉变质沉积物的地球化学识别和对比表明在变质逆冲单元中重现了早古生代变质沉积层序。
Geochemical discrimination and correlation from the metasediments of the Erzgebirge suggest repetition of an early Palaeozoic metasedimentary sequence in metamorphic thrust units.
经岩石化学及微量元素等的研究表明,这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
经岩石化学及微量元素等的研究表明,这是一个由贫硅富铝的沉积岩经高级变质作用形成的矿床。
Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed…
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