查询词典 di-phthalate

In this paper, we used three di- mensional finite element method to calculate the stresses in the periodontium of abutments.

本研究采用三维有限单元法对固定桥基牙牙周膜内应力的分布规律进行了计算分析。

Study on Extender N,N-Di(2-hydroxypropyl) phenylamine

扩链剂N，N-二(2-羟丙基)苯胺的研究

A novel phenylhydrazone derivative of 1,10-phenanthroline-5,6-di phenylhydrazone was synthesized using phenanthroline and phenylhydrazine as initial materials.

以邻菲咯啉、苯肼为原料，合成了一种新的苯腙类衍生物——1，10-邻菲咯啉-5，6-二苯腙，由红外光谱表征结构，用显微熔点测定仪测得其熔程为243~244℃。

In this work,the new kind of polyurethane have been prepared from Bis(4—β—hydroxyphnyl)sulphone,polyhydrofuran, 4,4′—di—phenylmethane diisocyanate,by one—step reaction metho -d and block copolymerizatiano.

本文用一步反应法，由双(4-β-羟基乙氧基苯)砜，聚四氢呋喃，4，4′—双苯基甲烷二异氰酸，采用嵌段共聚法，制成了一种新型聚氨酯。

In the second part of this work, a computor program is developed to calcalate〓L〓energy levels, reduced matrix elements, crystal field energy levels, oscillator strengths of f-f transition and theoretical f-f absorption spectra of f-ions. The calculation results of the f-f absorption spectra of Nd in water coordination sphere and H di (2-ethylhexyl phosphinic acid coordination sphere with different symmetric structure are shown and compared with observed spectra.

在第二部分中，编制了计算f离子的〓L，能级、约化矩阵元、晶体场中Stark能级分裂、f-f跃迁振子强度及f-f理论吸收光谱的计算机程序，以此程序分别计算了Nd在不同结构对称的水配位层及烷基磷酸配位层中的f-f吸收光谱，通过与实验谱比较，识别了可能的配位层结构，并讨论了f-f跃迁的强度机理。

The method of synthesis of N,N-dimethyl-1-aminomethane-1,1-di phosphonic acid N-oxide is introduced.

介绍了一种氨烷基膦酸氮氧化物——二甲基氨基亚甲基二膦酸氮氧化物的合成方法，并进行了缓蚀阻垢性能的研究。

Keep your travel budget low - make your comfortable vacation or business stay in Pian di Sco cheap.

令您旅途省钱，在柏林度过舒适的假期或商务旅行。

Our system provides all hotels, apartments, hostels and motels in Pian di Sco with hot deals and special offers.

我们免费提供柏林酒店、公寓、旅舍和汽车旅馆的预定，我们还以优惠的价格提供最豪华高档酒店的预定。

His bench, his gear and medals obtained in competitions (5 gold) are exposed in a room dedicated to him in the Pinacoteca di Forli.

他的工作台上摆放的制琴工具是他从不同的比赛中赢得的。

Higter Piso than those with stable bladders, but the bladder capacity and the volume while feeling the first desire to void were decreased significantly in patients with detrusor instability than those with stable bladder.

再根据是否出现DI，把59例BPH病人分为不稳定膀胱组和稳定膀胱组，不稳定膀胱组的I-PSS、尿流加速度和Piso显著高于稳定膀胱组，初次尿液和膀胱最大容量显著低于稳定膀胱组。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。