相成

Proceedings from the theory of geometric optics,the condition adaxial noncoherent imaging of Fizeau opticalsynthetic aperture imaging system is derived to achieve diffracion limited performance over a finite field of view,and the conclusion is that the angular magnification of the individual telescope must be equal to the linear demagnification factor.

从几何光学理论出发，详细推导了斐索型光学合成孔径成像系统的近轴非相干成像条件，即子望远系统的角放大率等于系统的线性缩放因子。对于焦平面上的像点而言，合成孔径成像系统可等效为一个带有特殊形状孔径光阑的望远系统，这要求该孔径光栏的开口形状和位置分布与合成孔径成像系统各子系统孔径大小和位置分布相一致。

Under the guidance of the theories of sedimentation, paleontology, stratigraphy, reservoir geology and digenesis, synthetically applying the methods of the conjunction of spot-line-surface, macro-microscopic and field-indoor, there is a comprehensive study for the upper Permian series in stratum, rock, sedimentary facies and diagenesis, especial for the type and characteristics of sedimentary facies, in the paper.

本文主要是以沉积学、古生物学、地层学、储层地质学等相关理论为指导，运用点线面、野外与室内、宏观与微观相结合的方法，并借助普通显微镜、阴极发光显微镜等手段对川西地区北部上二叠统的地层、岩石、沉积相以及成岩作用进行了研究，尤其是对沉积相的类型及特征作了详细的划分与阐述。

Additionally, the steel is susceptible to severe embrittlement when exposed at 475°C.

经过长时间的高温时效处理，原双相组织中不稳定的 d 相将完全分解成 s 相与 g 相。

In high-impedance current-input inverting configurations, where a length of shielded wire is used to guard the lead from the current source to the amplifier's inverting input, the guard should either be driven by a buffer at the same potential as the non-inverting input, or be tied directly to the non-inverting input, with a second outer shield connected to the signal's reference point.

如果将运放接成反相放大器的形式，并且在信号源与运放反相端之间用一段带有屏蔽层的导线来充当的防护罩，那么对防护罩的处理有两种选择：要么用一个缓冲跟随器来驱动，跟随器输出端与运放同相端电位相等，而且除跟随器外，防护罩不与其他点接触；要么将防护罩直接接到运放的同相端，然后在其外面加一个屏蔽层，并且将屏蔽层连接到信号的参考电位。

The X-ray diffraction patterns were calculated analogically by using Rietveld method and the phase content in rare-earth two phase Nd2Fe14B/α-Fe magnet was determined based on standardless quantitative phase analysis.

稀土双相永磁合金是基于软磁相的高饱和磁化强度和硬磁相的高各向异性的特点，通过两相晶粒在纳米尺度上交换耦合而成的一种纳米晶复合永磁材料，它具有显著的剩磁增强效应，可望获得较高的综合磁性能[1~3]。

The research on sedimentary facies and diagenesis of the reservoir combined with analyses of diagenesis effect of low permeability resevoir on the reservoir property and with division of diagenesis stages indicates that the genetic mechanism of the low permeability reservoir in this area is the filling and cementation of autogenetic mineral during diagenesis.

该项研究是建立在储层沈积相、成岩作用研究的基础上，通过分析低渗透储层成岩作用对储集物性的影响及成岩作用阶段划分，认为造成本区储层砂岩渗透率较低的主要原因是成岩期各种自生矿物的充填和胶结作用。

This thesis has emphasized studies on forming mechanism of dioritic quenched enclaves in the subvolcanic dikes and cryptoexplosive breccia at depth of the Zoujiashan uranium deposit, systematically studied the diagenetic ages, geochemical characteristics and Nd, Sr, Pb and Lu-Hf isotopic compositions of the Xiangshan volcanicintrusive complex and mineralization at depth of the Xiangshan ore-field.

本文重点解剖了相山次火山岩中闪长质淬冷包体及邹家山富大铀矿床深部隐爆角砾岩的成因机制；系统研究了相山火山-侵入杂岩的成岩时代及其Nd、Sr、Pb和Lu-Hf同位素组成；同时还对相山火山-侵入杂岩的岩石地球化学特征及相山矿田深部的成矿作用进行了深入研究。

Xiangshan volcano-intrusive complexes is the wall rock of the biggest volcanic-rock uranium ore deposit in China, and the main body is rhyolitic porphyroclastic lava, accompanied by hypahyssal or ultra-hypabyssal intrusive rocks such as dacite-porphyry and granite-porphyry Jiulongzhang volcano-intrusive complexes are dominantly rhyolitic welded tuff, accompanied by dacite-porphyry and quartz monzonite-porphyry, and so on, and the uranium resources are being assessed.

相山火山－侵入杂岩是华南地区最大的火山岩型铀矿赋矿围岩，其主体岩石为流纹质碎斑熔岩，浅成－超浅成侵入岩有英安斑岩、花岗斑岩等；九龙嶂火山－侵入杂岩的铀资源潜力尚待评价，主体岩石为流纹质熔结凝灰岩，浅成－超浅成侵入岩有英安斑岩、石英二长斑岩等。

The purpose of paper is to describe the petrology character of outcrop sandstones and core sandstones and judge their roke type, compare the similarities and differences of autogenetic mineral、diagenesis types、intergrowth sequence、diagenetic facies、diagenetic phase of outcrop sandstones and core sandstones, provide academic precondition condition for studying better reservoir in studied region.

本次论文的研究目的是描述露头砂岩和岩芯砂岩岩石学特征并判断其岩石类型，比较露头砂岩与岩芯砂岩在自生矿物、成岩作用类型、共生序列、成岩相、成岩阶段以及成岩流体演化方面的异同，为研究区有利储层的研究提供理论前提条件。

The hollow Ni2 microspheres were prepared via the hydrothermal reaction of NiCl2 with aqueous ammonia at 140 ℃ for 12 h.

采用X射线衍射仪、扫描电镜和透射电子显微镜对产物进行表征，并在室温下测试了它的磁学性能，结果表明， Ni2空心微球的直径约为3～4 μm，它是由尺寸1.1～1.3 μm左右的六方相结构的Ni2纳米片组装而成； NiO空心微球是由立方相纳米片和多孔纳米片组装而成，它具有弱的铁磁性，其矫顽力为583 Oe，剩余磁化强度为0.213 emu/g。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐