It is shown that high intensity ultrasonic wave can raise the nucleation rate of the liquid and can restrain the growth of Si; cavitation effect can break Si crystal in growth,change its shape and distribution, and decrease its weakening effect on the matrix; ultrasonic modification is an effective means of fining the structure and improving the properties.
研究了超声振动对铝硅合金的变质作用,结果表明:功率超声能提高液相形核率,抑制Si 相长大;空化效应能打断生长中的硅晶体,改变硅的形态和分布,减小其对基体的削弱作用,超声变质是细化合金组织,提高合金性能的有效途径。
A retrospective and perspective view on continental collision and ultrahigh-pressure metamorphism;
大陆碰撞和超高压变质研究:进展和展望
During the ultrahigh-pressure metamorphism fluids are scarce, however, the study of the Dabieshan UHP metamorphic belt had noticed that the evolu.
在超高压变质条件下 ,流体量比地壳范围区域变质要少得多 ,从大别山超高压变质带的资料可知 ,流体的演化有明显的阶段性 ,局部曾发现熔融包裹体。
New progress in research of the mafic-ultramafic rock belt in the northern part of the Dabie Mountains is reported here,especially the discovery of two kinds of eclogite occurrences,some evidences of ultrahigh-pressure metamorphism about the eclogite and geochemical,evidences of meta-ophiolite Based on these data,some related problems to be investigated are discusse
报道了大别山北部镁铁- 超镁铁质岩带研究的一些最新进展,其中特别重要的是两种产状新鲜榴辉岩露头的发现、超高压变质线索及变质蛇绿岩的地球化学证据等。
Fluid during the UHP metamorphism: constraints from the petrology, oxygen isotope and fluid inclusion studies of the Sulu UHP metamorphic rocks.;
超高压变质作用过程中的流体——来自苏鲁超高压变质岩岩石学、氧同位素和流体包裹体研究的限定
However,little work about elements and isotopes changes during the UHP metamorphism was conducted.
根据大量年代学、地球化学和岩石学等方面的研究,前人对碧溪岭榴辉岩的形成及变质历史有了较明确的认识,但这些研究对超高压变质前后过程中元素和同位素的变化涉及较少。
Aim To review international developments in ultrahigh pressure metamorphism and continental deep subduction in the last two decades.
目的总结和评述超高压变质及大陆深俯冲作用研究进展。
Ultramicrostructures of the Ultrahigh-Pressure Metamorphic Rocks from Dabie-Sulu Terrane;
大别—苏鲁超高压变质岩石的超显微构造研究
Mineral Inclusions in Zircons from UHP Metamorphic Rocks, Northeastern Sulu Terrane, China
北苏鲁超高压变质岩锆石中的矿物包体
Study on the Deep Magnetic Structure of Ultra-high-pressure Metamorphic Belt in Sulu Area;
苏鲁地区超高压变质带深部磁性结构研究
Element Geochemical Behavior during the Ultrahigh-pressure Metamorphism;
超高压变质过程中的元素地球化学行为
DETERMINATION AND SIGNIFICANCE OF CALEDONIAN HIGH-PRESSURE AND ULTRAHIGH-PRESSURE METAMORPHISM IN DABIE OROGEN
大别造山带加里东期高压超高压变质作用的确定及其意义
Deep Subduction Erosion Model for Continent-Continent Collision of the Sulu HP-UHP Metamorphic Terrain
苏鲁高压—超高压变质地体的陆—陆碰撞深俯冲剥蚀模式
Crustal P-wave velocity structure of the Dabie-Sulu ultrahigh-pressure metamorphic belt and mechanisms of its subduction and exhumation
苏鲁—大别超高压变质带地壳速度结构及其俯冲、折返机制
The Crustal Structure from Wide-Angle Seismic Survey Beneath the Sulu--Dabie UHP Orogenic Belt;
苏鲁—大别超高压变质造山带广角地震测深地壳结构研究
Petrology of Ultra-high Pressure Metamorphic Rocks in the Main Hole (2000-3000m) of the Chinese Continental Scientific Drilling Project;
中国大陆科学钻探工程(CCSD)主孔2000-3000m超高压变质岩岩石学
Exhumation Kinetics of Northern Sulu Ultrahigh-pressure Metamorphic Belt, Rongcheng Area;
北苏鲁荣成地区超高压变质带的形成与折返动力学
Rock Associations and Its Evolution of Bixiling and Sidaohe Area in UHP Metamorphic Terrane, Dabie Mountains;
大别超高压变质地体内碧溪岭和四道河地区的岩石组合及演化
A possible new chromium mineralization:A discussion on the formation of chrome-spinel of Gangshang ultramafic rocks in Sulu UHP belt
苏鲁超高压变质带岗上超镁铁质岩铬尖晶石形成过程——铬成矿新机制
Metamorphic Dehydration and Partial Melting in Continental Subduction Zones: A Study of Low-T/UHP Metagranite in South Dabie
大陆俯冲带变质脱水与部分熔融:南大别低温/超高压变质花岗岩研究
Fluids from the Deeply Continental Subduction Zone and the Metamorphic Chemical Geodynamics
大陆俯冲带的深部流体及变质化学地球动力学——以苏鲁超高压变质带为例
Fluid evolution of different stages during UHP metamorphism: evidence from hydrogen and boron isotope compositions of Bixiling eclogite from Dabieshan
超高压变质作用不同阶段的流体变化:碧溪岭榴辉岩的氢、硼同位素分析
The Chinese Continental Scientific Drilling( CCSD) project is designed to unravel the structure and composition of the root zone of a large-scale, ultra-high pressure metamorphic belt( UHPM) between the North and South China blocks.
CCSD工程旨在揭示位于北中国与南中国板块之间巨型超高压变质带的结构构造与物质组成。
Study on Accessory Minerals in UHPM Rocks from Drilling Core of CCSD and Outcrops of North Jiangsu, China;
中国大陆科学钻探(CCSD)及苏北超高压变质带中的副矿物研究及其地质意义
Studies under Ultra-high Pressure on Flavor Components in Muscle of Sheep;
超高压条件下绵羊肌肉风味物质变化的研究
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