微晶的

Pyroxene grains in gabbroic anorthosite,troctolite,microporphyritic crystalline impact melt breccia,and Ti-bearing clasts are mainly low-Ca pigeoniteEn_(63Fs_(32)Wo_5,En_(66)Fs_(23)Wo_(11),En_(55)Fs_(38)Wo_7,and En_(57)Fs_(35) Wo_8,respectively,and those in anorthositie gabbro,gabbro,and the matrix display a wide range of compositionEn_(31～33Fs_(35～48) Wo_(19～34),En_(18～48)Fs_(23～51)Wo_(24～38)+En_(1～9)Fs_(65～86)Wo_(14～26),En_(11～53)Fs_(23～63)Wo_(6～36),respectively,mainly occurring as pigeonite,augite, and trace amounts of pyroxferroite.

辉长质斜长岩、橄长岩、微斑熔融角砾岩等岩屑和含钛玻屑中的辉石相对贫钙，主要为易变辉石(分别为En63 FS32 WO5，En66FS23WO11，En55FS38Wo7和En57FS35WO8)，而斜长岩质辉长岩和辉长岩岩屑中的辉石和晶屑辉石的成分变化比较大(分别为En31～33 FS35～48 WO19～34，En18～48 FS23～51 WO24～38+En1～9 FS65～86 WO14～26和En11～53 FS23～63WO6～36)，为易变辉石和普通辉石，以及少量三斜铁辉石。

The research of reservoir characteristics indicate that the T_1j~2_2 reservoir's pore spaces were dominated by intercrystalline pores and corrosion pores, there have 1 ~2 high porosity section by corrasion in Mainan structure, the porosity is 6~16%,and in this area reservoirs mainly belong to type Ⅱ and typeⅢ, the reservoir type was defined as fracture-pore type. and the reservoir physical property were primarily dominated by sedimentary fades、 corrosion and dolomization.

储层特征研究表明，嘉二~2储层以白云岩的晶间孔、溶孔为主，麦南构造存在1～2个溶孔发育的高孔段，孔隙度约为6～16%，储层主要为Ⅱ、Ⅲ类，储集类型属裂缝—孔隙型，储层物性主要受沉积微相、溶蚀作用及白云岩化作用的控制。

X-ray interferometry, which takes the very stable silicon lattice spacing as length unit for microdisplacement measurement, is an ...

X射线干涉测量技术以非常稳定的单晶硅晶格作为长度单位实现微位移测量，是国际上先进的具有原子尺度分辨率的纳米测量技术。

The results show that the samples mainly consist of amorphous resinite and humus, where the microtopography of the organic constituent is irregular squamose groups.

研究结果显示，煤精的主要组分为非晶态树脂体和腐殖质，其有机组分的微形貌呈不规则鳞片状。

The results show that the samples mainly consist of amorphous resinite and humus, where the microtopography of the organic constit uent is irregular squamose groups.

研究结果显示，煤精的主要组分为非晶态树脂体和腐殖质，其有机组分的微形貌呈不规则鳞片状。

The results show that the steel in different solution has better performance of anti-hydrogen induced cracking,there is no cracking inside the steel; micro-cracking on the specimen surface mainly nucleates at pitting corrosion pits and expands along the polygonal ferrite; the expansion mode is mostly transgranular type, and the expansion terminates in acicular ferrite.

研究结果表明：该管线钢在两种溶液中均具有较好的抗氢致开裂性能，试样内部没有发现裂纹；试样表面的微裂纹主要在点蚀坑处形核并沿多边形铁素体扩展，扩展模式多为穿晶型，并终止于针状铁素体。

Mainly used for precision casting industry ceramsite sand (the Chinese name of it did the "Pearl of Sand""High Aluminum Sand," oil fracturing support, etc.) and used for refractories, abrasives industry white corundum, brown corundum, fused spinel, fused mullite, zirconium mullite, alumina hollow spheres, alumina powder, refractory cement and other products.

主要有用于精密铸造行业的陶粒砂（中文名称又做&宝珠砂&&高铝砂&石油压裂支撑剂等）和用于耐火材料、磨料磨具行业的白刚玉、棕刚玉、电熔尖晶石、电熔莫来石、锆莫来石、氧化铝空心球、氧化铝微粉、耐火水泥等产品。

The light-weight magnesite-alumina spinel refractories was synthesized by the way of one step sintering, and the effect of the light magnesia powder and the alumina powder addition on its sinterability was studied.

分别考察了添加轻烧氧化镁及氧化铝微粉对一步煅烧法制备的镁铝尖晶石轻质耐火材料烧结性能的影响。

The microstructure,microarea composition,structure and mechanical properties of nanocrystalline nickel platings under differernt electrodeposition time were characterized and analyzed with SEM,EDS,XRD and microhardness tester.

采用脉冲电沉积法制备纳米晶镍镀层，利用扫描电镜、能谱仪、X射线衍射仪及显微硬度计对不同电沉积时间下制得的镍镀层的显微组织、微区成分、结构及力学性能进行表征分析。

Our approach to energy subbands in the active region of QCL is k · p method. Electron eigenvalues and eigenstates are calculated by solving Schrodinger and Poisson equations self-consistently.

k·p微扰方法下，利用有限差分法求解了化合物半导体的有效质量方程，在计算中考虑了超晶格界面处电子有效质量不连续性，自洽求解了掺杂有源区在不同外加电场下的薛定谔方程和泊松方程。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。