盖层

From the water pressure test and the collapsing examples, the thesis analysis the force expression of Karst collapse in water table dropping down, and presents that the additional stress from water table descending in overlying soil layer and rock, which is equal to approximately the descending depth of water table, which can be applied to about ten meters descending depth.

针对地下水位波动引发的岩溶塌陷进行了专门性研究。通过试验文章指出了岩溶区地下水位受迫下降至基岩面以下时的力学效应为：附加力在一定范围内，与在基岩面以上一样，等于水位下降的幅度值，并与盖层下基岩中洞穴的形态及体积无关。

Through the study on the regional geological setting of the concentrated distribution area of epithermal deposits in Southwest China, including the characteristics of the basement, the cover, structure and geophysics, and some geological features of some epithermal deposits, this paper concerns mainly with the condition which leads to the concentrated distribution of the epithermal deposits in Southwest China.

通过对我国西南地区低温热液矿床集中分布区的区域地质背景（包括基底、盖层、构造与地球物理特征）和一些低温热液矿床的地质特征的研究，重点对低温热液矿床集中分布在中国西南地区的条件进行了初步探讨。

In addition, reservoir and cap rocks, and evaporite rocks which exert great effect on oil production of West Africa well developed in the area. The distribution of turbidite during the plate drafting period is controlled by the major structural traps generated from gravity gliding structures developed in the formation of the period.

成熟度和热史模拟认为，纳米比亚边缘离开海岸线一定距离内油气成熟度达到中、高度，具备了油气生成条件，而储盖层及对西非产油意义较大的蒸发岩也较发育，漂移期地层中发育的重力滑动构造可形成大型构造圈闭井对漂移期浊积岩分布有控制作用。

Volcanic rocks shaped by a volcanic movement tend to occur vugs and fissures as spaces for hydrocarbon storage during rapid magma condensation;the volcanic debris deposits are characterized by expanding and dispersing in water,being either favorable to packing pores,and becoming good sealing caps,or to preservation of oil/ga...

火山活动形成的火山岩，在岩浆迅速冷凝过程中会产生孔洞和缝隙，成为容留油气的空间；火山活动形成的火山灰沉积，具有遇水膨胀和分散的特点，地层孔隙被其它充填后而成为良好的封存盖层并能抗御新构造运动的破坏而有利于油气田的保存；火山活动提供1020～1200℃的岩浆和300～400℃的热液流体携带的热能，为油气运移提供热动力条件，促进油气运移；火山活动在沉积盆地内形成的火山岩体与侵入岩体，为含油气盆地增加了一种非构造圈闭———火山岩岩性圈闭。

The gold ore deposits and prospects occur within the nearly NW-striking faults in the carbonate rocks of the cover of the Yangtze block,Proterozoic metamorphosed quartz diorite of basement of Yangtze block and Mesozoic quartz porphyry in western Shimian, Sichuan Province.

四川石棉西部地区金矿床和矿点分布在扬子地块盖层碳酸盐岩和基底元古宙变质闪长岩以及中生代石英斑岩中的北北西和北北东走向断裂中。

On the basis of generation and expulsion hydrocarbon history of source rock, seal formation history of cap rock, formation history of trap, active history of fault, oil or gas accumulation period using illites ages, main oil or gas accumulation period was determined to be from the end of Yimin formation to the early of Qingyuangang formation.

根据源岩生排烃史、盖层封闭性形成史、圈闭形成史、断裂活动史和伊利石测年技术，综合研究得到乌尔逊凹陷油气成藏的主要时期为伊敏组沉积末期—青元岗组沉积早期。

On the basis of generation and expulsion hydrocarbon history of source rock, seal formation history of cap rock, formation history of trap, active history of fault, oil or gas accumulation period by use of illite's ages, main oil or gas accumulation period was determined to be from the end of Yimin formation to the early of Qingyuangang formation.

根据源岩生排烃史、盖层封闭性形成史、圈闭形成史、断裂活动史和伊利石测年技术，综合研究得到乌尔逊凹陷油气成藏的主要时期为伊敏组沉积末期-青元岗组沉积早期。

The formation of the thermal springs developed in Tanlu fault z...

郯庐断裂带及邻区温泉的发育取决于地质热源体的存在、区域构造、断裂和地下水循环状况、基底和盖层岩石热导率等。

This Al -free 980nm pump laser have many merits, such as improved catastrophic optical damage level; no degradation due to oxidation of aluminium during fabrication process and laser operation, which is desirable characteristic for multi-step growth; lower electrical and thermal resistance with GalnP cladding; better carrier confinement with GalnAsP confinement layers; Selective chemical etching between GaAs and GalnP maks precisely control for fabrication of stripe geometry lasers.· Calculated the physical parameters of ternary and quaternary III - V compoundsby interpolation formulas based on curve fits or on a linear regression, such aslattice parameter, band gap, and refractive index.· Using luttinger-kohn Hamiltonian-based propagation-matrix method presentedby S.L.

这种无Al980nm半导体激光器可以提高激光器出现腔面损伤所需的能量，消除在生长过程和应用过程中由于Al的氧化而使激光器的使用寿命缩短的问题，便于激光器的多次生长；以GaInP为盖层可以降低电阻和热阻；可以精确的控制GaAs和GaInP之间的化学刻蚀，便于激光器几何形状的控制。

The products used are Chemlok 205 primer diluted 1:1 with methyl ethyl ketone and Chemlok 233X cover coat diluted 1:3 with toluene.

所用产品为Chemlok 205 底胶用一倍量甲基乙基酮稀释，和Chemlok 233X 盖层用3倍量甲苯稀释。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失