Modification Effect of Rare Earth Rich In Ce On Al-Si Alloy;
富铈混合稀土对Al-Si合金的变质作用
Experiment showed that the addition of a small quatity of Ho has the significant effect of modification on as-cast Al-25 wt％ Si alloy.
结果表明:少量稀土Ho对Al-Si合金组织有明显的变质作用,当Ho量达到1。
On the other hand,under favorable structural condition and metamorphic process,copper mineralized zone is further enriched,which has an operation significance in looking for ore-body around the mine and extending the service life of the mine.
通过对篦子沟铜矿床的地质条件进行分析研究,指出篦子沟矿床的形成,一方面受到地层岩性和沉积岩相的控制;另一方面,在构造有利的条件下,经受变质作用改造,使铜矿化进一步富集,这对在矿区外围查找矿体,并延长矿山寿命,具有重要的现实意义。
According to distinctive minerals for metamorphic process, it can be pided into three zones: biotite zone, garnet zone, staurolite zone.
由于片岩中含有大量黑云母和石榴石,这为利用石榴石、黑云母探讨变质作用的温度压力条件提供了方便,利用矿物温度压力计得到的温度为500～600℃,压力约0。
To be changed or transformed by or as if by metamorphosis or metamorphism.
变质由于或似因为变形、变质作用而改变或变形
Polymetamorphism,polyphase metamorphism and metamorphic p-T-t paths
多期变质作用、多相变质作用与变质作用p-T-t轨迹
The process of change from any previously existing rocks into metamorphic rocks is called metamorphism.
将原来岩石改变成为变质岩的这种作用称之为变质作用。
The process of alternating solid rock masses is called metamorphism.
固体岩体变换的过程即所谓变质作用。
Changed in structure or composition as a result of metamorphism. Used of rock.
变质的因变质作用而导致的结构变化或成分变化。用于指岩石
(geology) changed in constitution or structure or composition by metamorphism.
（地质学）因变质作用在构造、结构或组成上改变的。
Evolution of Metamorphism of Archean Jianping Metamorphic Complex from the Western Liaoning Province
辽西太古代“建平变质杂岩”的变质作用演化
Metamorphism of Indosinian Metamorphic Enclaves in the Tongbai Complex,Central China
桐柏杂岩中印支期变质岩包体的变质作用
GEOLOGIC FEATURES AND METAMORPHISM OFTHE LATE ARCHEOZOIC HIGH-GRADE METAMOPHIC REGIONIN THE LIUHE AREA,JILIN PROVINCE
柳河地区晚太古代高级变质区地质特征及变质作用
Study on Effects-modification of RE Carbonatefor Al-Si Alloy
碳酸稀土对铝硅合金变质作用的研究
A study of rare earth to modified acting in KS1275;
稀土对KS1275合金变质作用的研究
Metamorphism of mafic granulites in the Grove Mountains, East Antarctica
东南极格罗夫山镁铁质麻粒岩的变质作用
Metamorphism of Al Rich Gneisses in Taihang Mountain Archean Metamorphic Complex
太行山太古宙变质杂岩中富铝片麻岩的变质作用
The CALEDONIAN METAMORPHISM AND METAMORPHIC FACIES SERIES DIVISION OF MIDDLE PROTEROZOIC GROUP STRATA IN NORTH WEST OF FUJIAN PROVINCE
闽西北中元古界地层加里东变质作用和变质相系划分
THE CHARACTERISTICS OF THE EARLY PRECAMBRIAN METAMORPHIC PROTOLITH FORMATION,THEIR METAMORPHISM AND EVOLUTION IN CENTRAL SOUTHERN INNER MONGOLIA,CHINA
内蒙古中南部早前寒武系变质岩原岩建造和变质作用特征
Phanerozoic Metamorphism of Precambrian Metamorphic Basement in Southwestern Zhejiang;
浙西南前寒武纪变质基底岩系显生宙变质作用研究
Characteristic of the Metamorphic Rock and the Metamorphic Function of Precambrian, in Alatanaobao Region, Western of Inner Mongolia;
内蒙古西部阿拉腾敖包地区早前寒武纪变质岩及变质作用
penecontemporaneous replacement
准同期变质交代作用