查询词典 surface area

Based on the uniform magnetization model of the surface magnetic field distribution on multi pole drum for magnetic encoder , the surface magnetic field distribution on multi pole drum for magnetic encoder was studied with numerical analysis method, and the general expression of surface magnetic field distribution on multi pole drum was found.

基于磁编码器多极磁鼓表露场分布的均匀磁化理论模型，采用数值分析方法计算磁编码器多极磁鼓的表露场分布，得到了多极磁鼓的表露场分布的数值表达式。

The surface activity dose joins the queen, since jointly there is the water loving base group in the surface activity dose and detest the water base group in molecular structure , the pole is as a result easy to wind notable lessening menstruum surface tension from inside transition to interface in the solution.

液体分子在和空气等接触的表面会形成一层特殊的结构，表现为表面张力或表面能。表面活性剂加入后，由于表面活性剂分子结构中合有亲水基团和憎水基团，因而在溶液中极易从内部跃迁到界面上显著降低溶剂的表面张力。

］ In order to study the effect of machining processes on the surface condition of fastening holes drilled on 7075 aluminum alloy for aircraft assembly, the surface microphotograph and surface layers microstructure produced by the five kinds of drilling processes were observed and analyzed by means of SEM and optical microscope.

摘 要］为研究加工工艺对7075-T7351铝合金飞机装配紧固孔表面质量的影响，通过扫描电子显微镜和光学显微镜，分别对5种不同制孔工艺所产生的表面微观形貌和表层组织变化进行了观察和分析。

The Enneper's minimal surface is the unique cubic parametric polynomial minimal surface one can find and one can not find any high order polynomial minimal surface in the differential Geometry literatures.

极小曲面被广泛应用于建筑设计，飞机轮船制造业，在结构化学，材料科学，植物学，动物学等领域被用作各种模型，在这些应用领域已有很多文献出现，但是，在CAGD领域几乎还没有关于极小曲面造型方面的工作。

An operating member which has a depression having an oblique push-up surface and a closing surface contiguous to its push-up surface is held movably in a accommodating portion formed in the case band and crossing the lower end of the stepped hole at right angles thereto.

具有凹陷部的操作构件可移动地保持在容纳部位内，凹陷部具有倾斜的上推表面和毗邻上推表面的关闭表面，容纳部位形成在表环内并与台阶孔下端成直角交叉。

Based on the fundamental principles of the improved method mentioned above, multi-functional computation software package, which can be used to analyze effectively the interference effects of random flaws in plane problem, boundary problem and space problem, is compiled and a number of problems involved in the interference effects of different kinds of flaws such as random equal length through-cracks, random branched throughcracks, random unequal length through-cracks, random holes to through-cracks, unequal length edge cracks, equal length and distance multiple edge cracks, random notches with different aspect ratio, random notch to edge crack, non-coplanar surface cracks with different aspect ratio, staggered surface cracks, surface crack to embedded crack and embedded cracks near free boundary are analyzed and computed by the package.

依据上述改进法的基本原理，本文编制了能有效地分析平面问题，边界问题及空间问题的任意缺陷群相互干涉效应的多功能计算软件包。据此，本文分析计算了各类缺陷群。诸如，任意等长裂纹群。任意折裂纹群；任意不等长裂纹群，任意孔与裂纹群，不等长边裂纹群。等长等间距多裂纹群，任意形状比缺口群，任意缺口与边裂纹，非共面不同形状比表面裂纹群，交错型表面裂纹群，表面裂纹与埋藏裂纹群及自由边界附近埋藏裂纹群等的相互干涉效应问题。

Results show that floes' VC and D at the surface water were closely related to current velocity; and the peaks of VC lag those of the current velocity. The lag variation during ebb and flood tides is 10-30min and 30-50 min, respectively. Current velocity at 50 cm/s is a turning point of D vs. vertical average current velocity, before the point, Dm increases with current velocity, and decreases after the point. Similarly, VC at 75μl/L becomes a critical point in the surface water, below the point, D increases with VC, and above the point, D stabilizes.Δp is D dependent, larger floes have much lower Δp than smaller floes. Both D and Δp of floes affect ω. In the surface water during spring tide and neap tide, a power exponent relationship exists between Δp and D, and ω and D.

研究表明：①长江口徐六泾表层絮凝体体积浓度主要受水流流速影响，再悬浮现象明显，体积浓度过程线滞后流速过程线，落潮期间滞后10-30min，涨潮则滞后30-50min；②小于一定流速时絮凝体平均粒径随流速增大而增大，大于一定流速时絮凝体平均粒径则随流速增大而减小，徐六泾夫、小潮表层絮凝体在50cm/s的垂线平均流速时出现平均粒径与垂线平均流速关系的转折；③徐六注大、小潮表层絮凝体平均粒径在体积浓度75μl/L时出现平均粒径与体积浓度关系的转折，体积浓度小于75μl/L时粒径随体积浓度增加而增大，超过75μl/L时粒径随体积浓度的增加变化不明显；④絮凝体有效密度由粒径大小控制，粒径大，有效密度小，反之亦然，粒径和有效密度共同决定絮凝体静水沉速，有效密度和沉速与平均粒径之间均存在良好的幂指数关系。

However,some of the faster nonimpact printers can produce multiple copies of the same report faster than the time it takes impact line printers to do a single run with mult-plypaper 2 But user should be careful about possible "head crash",which means the surface of the read/write head or particles on its surface come into come into contact with the disk surface,causing the loss of some or all of the data on the disk 3 Like music CDs,a CD-ROM is a read-only disk that the disk's content is recorded at the time of manufacture and cannot be written on or erased by the user.

应该是这样： 1然而，其中一些更快nonimpact打印机能产生多份副本，同时报告速度比所花费的时间影响线打印机做一个单一的运行与多plypaper 2 ，但用户应小心可能的"头部撞车"，这意味着表面上的读/写头或微粒表面，其生效接触到磁盘表面，从而导致丧失部分或全部的数据，就磁盘三喜欢音乐光碟，唯读光碟，是唯读磁盘磁盘的内容，是记录当时的制造和不能写上或擦除由用户。

The burning surface at any point recedes in the direction normal to the surface at that point, the result being a relationship between burning surface and web distance burned that depends almost entirely on the grain initial shape and restricted boundaries.

燃烧表面的任何一点消退，在正常的方向，表面上在这一点上，结果被一之间的关系燃烧表面和网络的距离，烧毁认为，几乎完全依赖于粮食初步形成和限制的界限。

After remineralization, the surface structure of samples in Chinese nutgall group and Ag（ NH3 ）2F group became compacter and steadier, with presentation of small blotch and trabs; in NaF group, there was still laeune with trablike structure on the surface of the samples; in deionized group, the surface of samples was honeycomb appearance.

再矿化后，五倍子液和氟化氨银液组表面结构更加致密，均匀，呈小斑块，条索状；氟化钠液组表面也出现条索状结构，但仍有孔隙或腔隙存在；去离子水组表面出现蜂窝状结构。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。