基面

旋转二次曲面折反折系统的基点和基面

The cardinal point and cardinal plane of the rotational conicoid refraction-reflection-refraction system

树脂镜片的镀膜分析弯月形厚透镜的基点和基面

Analysis on Coating of Colophony Eyeglass The cardinal point and cardinal plane of lune thick-lens

X射线形貌图显示了α-SiC晶体中相当数量的位错处于基面C面上。

X-ray topography shows that a lot of dislocations in cc-SiC are on the base plane ( C plane ) .

通过X射线衍射分析，可以发现，轧制后{0002}基面织构强度随变形程度增大而增强，随变形速度增大而减弱。

The intensity of { 0002 } basal component increases with increasing reduction and decreases with increasing strain rate .

大量H的存在不利于基面平行衬底的取向的发生，但能够满足c轴平行衬底的条件（在一定偏压下）。

Large amount of Hydrogen was disadvantage to the basal plane orientation , but it is helpful for the c axis paralleling to the substrate .

X射线衍射分析表明在等径角轧制过程中，随着通道间隙的减小，晶体取向变化加大，（0002）基面取向减弱。

By XRD patterns , it is found that the change of crystal orientation increases and ( 0002 ) basal plane orientation decreases with channel clearance decreasing during ECAR .

浅缓坡位于浪基面至风暴浪基面之间，岩性组合为A、B类风暴岩，A、B类瘤状灰岩、生物礁灰岩及粘结岩；

The shallow ramp which is between the wave base and the storm wave base , has type A , B tempestites , pattern A , B nodular limestone , reef limestone and bindstone deposits ;

通过对V形不对称沟谷填方路基、路面病害、排水的调查及路基面波波速测试，对路基失稳原因进行分析，提出处治方法与建议。

Through investigation to " V " shape asymmetric ditch backfill subgrade , pavement defect and water drainage , etc. , this paper gives analyses to cause of subgrade instability and suggests counter measures .

以镜架支撑安装基面上实测的地面振动速度功率谱密度为激励，运用ANSYS有限元分析软件的PSD分析模块，对该结构系统的随机振动响应进行了分析计算。

The PSD measured on the install base level of the mount as the excitation , the random vibration response of the mount was analyzed with the PSD module of ANSYS .

通过一步优化沉积工艺条件，成功地制备了高基面择优取向Zn-Fe合金镀层。

Zinc-iron alloy coatings with highly basal preferred orientation were successfully obtained from acidic sulphate electrolytes by further optimizing plating parameters .

在分析专家系统和人工神经网络特点的基础上，提出了一种基于人工神经网络的零件定位基面选择方法，分组建立了BP网络模型，并根据零件特征提出了网络的输入和输出编码方法；

A method of using artificial neural network for datum selection is proposed in this paper based on analyzing the characteristics of the expert system and ANN respectively . A coding method for input and output has been developed according to the part features .

介绍了3种XRD曲线的形态特征，并分析了造成高岭石XRD曲线差异的原因，同时否定了将基面衍射加强的高岭石看作高岭石&地开石混层矿物。

The reasons by which the differences are caused among the XRD patterns of the kaolinite are analyzed , and it is negated that the kaolinite of which the basal reflections are enhanced is regarded as kaolinite dickite mixed layer mineral .

板材在拉压变形时基面Schmid因子增大，基面滑移系在常温下更容易启动。

Schmid value of basal plane increased when sheet was under tension or compression deformation . Therefore , basal slip system became easier to start .

基面织构在挤压方向和横向的Schmid因子都为O，在两个方向都不发生滑移。

The schmid factors of basal texture were zero both on extrusion direction and transverse direction . The slip-systems will not start in both directions .

通过计算证明，相对于单参量指数与多参量指数衰减函数，这种数据拟合方法对于某些荧光分子团的多槽基面效价测定样品（multi-wellplateassays）的数据有更好的一致性和更小的计算量。

As compared with those of single exponential and multi-exponential decay functions , the novel model can yield the better goodness of fit and more effective calculation using the data from multi-well plate assays of interesting fluorophores chemically and biologically .

在LaNi（5-x）Cux合金中，特别是垂直于主轴的基面，La与Ni（或Cu）的原子半径被分别压缩，但是形成氢化物时，这种压缩现象消失。

The atomic radius of both La and Ni ( or Cu ) are compressed separately in the alloys LaNi_ ( 5-x_Cu_x , especially in the basal planes perpendicular to the principal axis . This compression phenomenon disappears as soon as the hydrides form .

结果表明：织构对镁合金力学性能的影响，其实质是通过改变各滑移系特别是{0001}[1120]基面滑移系的Schmid因子、产生织构强化或软化而实现的。

The results show that textures affect mechanical properties of magnesium alloys mainly by altering the Schmid factors of all slips , especially basal slip systems and inducing texture strengthening and softening .

最后，确定了层间抗剪设计指标，提出了基面层间采用SBR乳化沥青处理、进行层间抗剪验算、提高施工质量以及合理设计路线等防止基面层滑移的技术措施。

In the end , the design index of shear properties is confirmed . Some technical means , such as , adopting SBR emulsified asphalt , checking interlayer shear stress , improving construction quality and designing rational route are put forward to prevent cutting-slippage between surface and base .

{0001}1120基面滑移系Schmid因子尽管接近于柱面滑移系，但其临界分切应力较高而难以开动。

The Schmid factor of the { 0001 } 1120 basal slip was close to that of prismatic slip , however , the former was difficult to activate because of its higher CRSS .

施工过程中，在建基面以上50cm范围内使用荆门水泥厂生产的525号抗硫酸水泥，上部采用光化水泥厂生产的425号矿渣硅酸盐水泥；

Grade 525 sulfate resistant cement produced by the Jingmen Cement Mill was used for the sluice bottom within 0.5 m above foundation , and Grade 425 Portland slag cement produced by the Guanghua Cement Mill for the upper portion .

持续成壤阶段河流基面和地下水位均较低，年降雨量约为500～800mm，相当于现今的温带地区，干湿周期变化明显，地下水升降频繁。

During the period of ongoing pedogenesis , river base level and groundwater remained lower , the annual precipitation was about 500 - 800 mm , which corresponded to that of modern temperate zones , drying - wetting cycles were apparent and groundwater was frequently fluctuated .

位于大渡河流域中游峡谷地段的大岗山水电站也遇到了类似的工程问题，左岸（EL1135-1040m）已开挖建基面上声波检测异常，单孔声波波速偏低。

Located in the middle of the canyon area in DaDu River DaGang Mountain power station also meet similar engineering problems , left the foundation surface ( EL1135-1040m ) acoustic detection already excavation single-drillhole acoustic wave abnormity is low .

引进景观生态学的空间结构分析思路，水土流失空间结构的4个主要元素是斑块、廊带、基面和边缘带。

The thought of spatial structure in landscape ecology is introduced .

用于潮湿基面的聚合物砂浆的研制与施工应用

Study and Construction Application of Polymer Mortar Used on Moist Surface

山区公路沥青路面基面层滑移破坏研究

Research on cutting-slippage between surface and base about mountain asphalt pavement

薄透镜组合的基点与基面位置的讨论

Discussion on the Basic Point and Basic Face of Compound Lens

混凝土重力坝多折面建基面稳定安全分析

Stability analysis of multi-zigzag plane base surface of concrete gravity dams

施工期间铁塔基面的综合治理

Comprehensive Treatment of Foundation Surface Under the Iron Tower During Construction

球基面反射型彩虹全息的设计和制作

Design and Fabricating for Reflective Rainbow Hologram on Spherical Surface

三峡工程大坝建基面弹性波检测方法

Elastic waves measuring method on dam foundation surface of TGP