查询词典 developable surface

In fact, the coagulating mechanism was surface chelating and surface sedimentation. It was said that adsorption was before hydrolysis, then the hydrolysis and sedimentation reaction of the polynuclear hydroxy complexes took place on the adsorption surface, at the same time they counteracted the electric charge of the colloids and suspended substances then adsorbed and bridged the flocculates.

其混凝机理实际上是表面络合及表面沉淀过程，即絮凝剂投入水体后，其最佳混凝形态及其聚集体在一定时间内具有稳定性而保持其原有形态，并很快吸附在颗粒物表面，吸附过程先于水解过程，因带电荷及分子量较高而同时发挥电中和及吸附架桥作用。

The adhesive for the fuzzed surface of the machine woven cloth is attached to the non-fuzzed surface of the base cloth, and the dried adhesive is adhered and remained on the fuzzed surface of the machine woven cloth during the peeling process, which does not influence the performance of the PU synthesized leather.

机织布的起毛面用粘结剂贴合在基布的不起毛面上，剥离时，干燥后的粘合剂将沾留在机织布的起毛面上，就不会影响PU合成革的性能。

In our experiments,the propagationvelocity and the coupling coefficient for the high-velocity surface acoustic mode ismeasured on a free surface as well as on a metalized surface.

在实验中，采用四种经常使用的压电晶体，对这种表面高速模式进行声速和耦合系数的测量，分别在自由表面和金属化表面进行。

The numerical results of stationary and transient Green'sfunction for high-velocity surface-head wave on some selected crystals are comparedThrough the above analyse,it is indicate that the first arrival wave mode is thelongitudinal-wave head-wave,and its propagate velocity is equal to the groupvelocity of the longitudinal bulk wave alone the surface.Furthermore,this modedoes not have the Δv/v effect,i.e.,its velocity is the same no matter the surface isfree or metalized.

通过对表面激发的瞬态和稳态Green理论分析和数值计算，表明在压电晶体表面上实际上看到的最高速的最先到达的波动模式是纵波头波，它具有沿表面纵波的群速度，而且对压电晶体，它不具有Δv/v效应，即在自由表面和金属化表面其传播速度是一样的，而压电晶体表面波及伪表面波均存在Δv/v效应。

Microanalyses have shown that during brazing Ti in AgCuTi alloy transferred preferentially to the surface of the cBN grit, and bonding behavior on cBN surface by AgCuTi alloy filler metal is realized through TiN and TiB2 which are produced by interaction between Ti atoms of AgCuTi alloy and N or B atoms of cBN surface. Thus, the chemical metallurgic bonding has been formed in the interface between AgCuTi alloy and c-BN grit.

微观分析表明：钎焊过程中AgCuTi合金钎料中的Ti向cBN磨粒表面富集，并与cBN磨粒表面N和B元素发生反应，形成TiN和TiB2，实现了AgCuTi活性钎料与立方氮化硼磨粒的化学冶金结合。

The objective of this study is to describe perinea electrophysiological findings and to investigate the clinic meaning of the surface EMG activity of PFM in predicting and diagnosing female SUI.Methods57 women with SUI and 57 controls were measured with a vaginal surface EMG probe in supine position for the surface EMG activity of PFM.

本实验通过研究女性压力性尿失禁患者的盆底肌表面肌电信号，探讨其对临床寻找压力性尿失禁的盆底肌肉功能的精确评价指标的理论意义，及在压力性尿失禁的预测、诊断及盆底康复疗效的评价方面的意义。

Step procedure. Firstly, glycidyl rnethacrylate was photo梘rafted onto the surface of PVC without degassing. An activated surface with active epoxy groups was formed. The grafted polymer can also act as the spacer between heparin and PVC; Secondly, heparin is attached to the grafted surface through its functional groups reacted with the epoxy groups.

第一步，通过紫外光接枝反应将甲基丙烯酸缩水甘油酯接枝到PVC材料表面，接枝链作为肝素和聚氯乙烯材料之间连接的间隔基，同时也得到了带有环氧基团的反应性表面；第二步，通过肝素分子所带功能基团与PVC材料接枝表面上的环氧基之间的反应将肝素共价键合到PVC材料表面。

Then,based on these surface atoms 3D coordinates,uses the rotational invariant of spherical harmonic to simulate the protein surface.Through using this method,can effectively overcome the problem which should recomputed the protein surface continues during the space conversion.

在提取出的表面原子基础上，引用球函数具有的旋转不变性的特点，进行蛋白质表面形状的模拟，模拟出的蛋白质表面可以有效克服蛋白质在空间变换过程中需要不停进行重新计算表面问题，从而有效地提高了计算效率。

The basalt lava, the tiger xipi, the fierce appearance red, the fierce appearance white, G648, Zhangpu Huang Xiushi, Zhangpu black (the Asian refacing, litchi pan, board blackened by fire, sand blasting board, longan fur plates, chip axe surface, machine cut hair side, pineapple surface and so on), the pearl black, also have thick pore basalt, black hole stone, slate sandstone and each kind of size type modelling stone carving, the arc, the different shape processing, Lu Yanshi, each kind of processing surface place Guangdong Shi Zhuan, asked knows Shi Jidou the stone, granular and the striation blind grain stone, the mushroom stone, the landscape stone, the article fossil, the natural build botanical garden stone and so on.

玄武岩火山石、虎皮黄、虎皮红、虎皮白、G648、漳浦黄锈石、漳浦黑（亚光面、荔板面、火烧板、喷砂板、龙眼皮板、剁斧面、机斩毛面、菠萝面等）、珍珠黑、还有粗细孔玄武岩、黑洞石、板岩砂岩及各种大小种类造型的石雕刻、弧形板、异形加工、路沿石、各种处理面的地埔石砖、问知石及斗石、粒状和线状盲纹石、蘑菇石、景观石、文化石、自然体形园林石等。

The write made the analysis and exploration of prevention and reduction the refecting cracks of asphalt road surface of the relayer on the disused cement concrete surface in the experiment of relayer of asphalt road surface pavement.

结合旧水泥混凝土路面做沥青加铺层的有效尝试，对常用的防止或减缓沥青加铺层反射裂缝的方法及机理进行了分析和阐述。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。