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1)  Change in surrounding rocks
围岩变化
2)  wallrock alteration
围岩蚀变
1.
Discussion on the relationships between wallrock alterations and mineralizations in Bailashui tin mine in Qitianling,Hunan Province;
湖南骑田岭白腊水锡矿围岩蚀变与矿化关系浅析
2.
It is shown shat wallrock alteration is accompanied with each stage of Mo mineralization,and alteration types are different with different mineralization epoch,mineralization stage,and wallrocks.
研究表明,围岩蚀变始终伴随着钼成矿作用的每个阶段,且不同的成矿期和成矿阶段、不同的围岩,其蚀变类型不同;矿床蚀变分带明显,由岩体中心向外侧依次为钾长石化—硅化带(强蚀变带)、硅化—绢英岩化带(弱蚀变带)、硅化—青磐岩化带,强度由中心向外围逐渐减弱,其蚀变作用的强弱与钼矿体的品位高低相对应,确定硅化和钾长石化是该区最有效的找矿标志之一。
3.
Relationship among W mineralized concentration,ore-forming fluid evolution,wallrock alteration and elements migration are preliminary revealed.
文章以杨金沟白钨矿床主要赋矿蚀变围岩为研究对象,通过对不同种类蚀变岩石中主要氧化物和成矿元素特别是W、Mo和As的迁移和富集特征进行详细分析,结合近矿蚀变围岩稀土元素组成及其变化特征研究,初步揭示了杨金沟白钨矿床中钨矿化富集、成矿流体演化与围岩蚀变和元素组分迁移的关系。
3)  wall-rock alteration
围岩蚀变
1.
Relationship between wall-rock alteration and gold mineralization of Huanxiangwa deposit,Henan Province;
河南萑香洼金矿床围岩蚀变与金矿化的关系
2.
The geologic features of Haigou Au deposit are briefly introduced based on geologic settings,ore-control factors,wall-rock alteration,mineralization and enrichment regularities.
本文从地质背景、控矿因素、围岩蚀变、矿化富集规律等方面扼要介绍了海沟金矿床的地质特征,并通过构造—岩浆活动、热液形成及演化、成矿物质的富集和沉淀等方面规律阐述了海沟金矿床的形成机制。
3.
By researching the wall-rock alteration and the relations of the gold mineralization in Shishudi gold deposits,it is found that silicification,pyrite,and K-feldspar are most closely related with gold mineralization in the alteration types.
通过对柿树底金矿床围岩蚀变特征与金矿化关系的研究发现:在蚀变类型中硅化、黄铁矿化、钾长石化与金矿化关系最为密切;蚀变演化划分为三个时期,三个时期根据时间与空间关系划分为四个阶段,其中第二阶段石英-钾长石-黄铁矿化阶段是主矿化阶段;围岩蚀变自中心向外划分为三个蚀变矿物组合带,其中核心带矿化蚀变岩带与金矿化关系最为密切。
4)  surrounding rock deformation
围岩变形
1.
Numerical simulation analysis on surrounding rock deformation characteristic of tunnel with karst cave beside;
侧部岩溶隧道围岩变形特征数值模拟分析
2.
Forecasting nonlinear time series of surrounding rock deformations of underground cavern based on PSO-SVM;
基于PSO-SVM非线性时序模型的隧洞围岩变形预报
3.
Prediction of nerve network on surrounding rock deformation in Yangzong highway tunnel;
阳宗隧道围岩变形的神经网络技术预测
5)  wall rock alteration
围岩蚀变
1.
The features and geologic meanings of wall rock alteration in Shenjiaya gold deposit,Yuanling County;
沅陵沈家垭金矿床围岩蚀变特征及地质意义
2.
Discussion on relationship of the wall rock alteration and the mineralization of gold deposit in the Duhuangling gold area,eastern Jilin;
吉东杜荒岭金矿区围岩蚀变与金矿化关系
3.
The Au deposit of the Huishan belongs to ductile shear zone type one The types include carbonation,sericitization,silicification etc;the alteration zones are obviously,and altered intensity has a close relation with Au mineralization The alteration of wall rocks is affected by the ductile shear deformation;Au mineralization and main periods of wall rock alteration are simultaneously forme
狐狸山金矿是韧性剪切带型金矿床 ,矿区围岩蚀变发育广泛 ,类型有碳酸盐化、绢云母化、硅化等 ,蚀变分带明显 ,且蚀变强度与金矿化关系密切。
6)  rock deformation
围岩变形
1.
Time seqnence analysis on rock deformation of large span road tunnel
大跨度公路隧道围岩变形的时间序列分析
2.
Aimed at controlling rocks in soft and thick coal seams, according to the occurrence of coal seam in 11151 working face in Liangbei coal mine, Shenhuo group, Henan province, the influence law between mining thickness, coal mass strength and the abutment pressure, rock deformation was simulated and analyzed with Flac 5.
0数值计算软件模拟分析了煤层采高和煤体强度对工作面超前支撑压力和围岩变形的影响规律,现场实测了梁北矿11151极软厚煤层大采高工作面超前支撑压力的分布规律,实测与数值计算结果相吻合。
3.
This paper analyzes rock deformation tested result in 1111(3) oblique simultaneous mining all high roadway, in zhangji coal mine,so, lead effect scope of rock pressure,peak value scope of lead abutment pressure and rock deformation are known, it provides rational basis for strengthening supporting form and lead supporting distance.
对张集煤矿1111(3)俯斜一次采全高巷道围岩变形测试结果进行分析,以此掌握该面矿压超前影响范围、超前支承压力的峰值范围及巷道围岩变形情况,为合理确定巷道加强支护形式和超前支护距离提供依据。
补充资料:气候要素日变化和年变化


气候要素日变化和年变化
diurnal variation and annual variation of climatic elements

  q ihou yaosu ribianhua hen一anb一anhua气候要素日变化和年变化(diurnal varia-tion and annual variation of elimatieelements)由地球自转和公转所引起的以l」、年为周期的气候要素变化。 日变化以气温为例,其日变化与地面加热状况直接有关,最高值在14一15时出现,最低值在日出前后测点的纬度、海拔高度、下垫面条件、季节以及人气干湿状况都可影响气温日变化,但不改变其主要性质)干旱地区夏季的气温日变化最显著,日较差(最高温度与最低温度之差)最大。气温日较差人小对农作物生长有收要意义,是农业气候分析的项目之一水汽压的日变化决定于地面加热条件、地面湿润状沉和湍流交换强弱。在充分湿润的地区和季节.水汽压最高值是午后最大,玄青晨最小,在其它地区,水汽压日变化曲线人多旱双峰型,两个高值分别出现在9时和「1落前后,两个低值发生在日出前和午后〔如图所示、风速日变化上要取决于近地层中湍流交换的日变化,11间因湍流加强,地面风速也增大,午后风速达最大值,夜间风速最小。沿海的海陆风现象及山区山谷风现象也属风的日变化,它们的速度和方向均有周日变化。 年变化气候要素年变化与太阳辐射年变化有关最明显的是气温年变化,在北回归线以北的北半球大陆上,l月气温最低,7月最高,气温年变曲线比之天文辐射年变曲线约有一个月的位相落后。在海洋l比日︸1 一一 。dq\汉俐田仁书5言 1 2 16时间/h20 24水气压的日变化上气温年变曲线的位相落后更多。从各地气温年变化特点就可看出海陆影响的程度(见大陆度)。降水的年变化也很明显,中国东部地区因受季风影响,夏季6一8月降水最多,冬季最少,干湿季竹交替明显地中海沿岸降水年变化具有冬季降水充沛,夏季少雨的特点,形成特殊的地中海气候。在英lfil各地,全年各月降水墩分配相当均匀,年变化较小,反映出典型的海洋性气候相对湿度的年变化与气温年变化相反,一般是夏季小冬季人。气温、降水、相对湿度等要素年变曲线的配置特点,可反映出各地气候的特点 (翁笃鸣)
  
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