无水的

It is governed by the equation of continuity and momentum for the liquid in cylindrical coordinates with axial symmetry, the isentropic equation of state for water.

曲面头部的水弹高速冲击刚性表面的流体动力学问题，可以归结为无粘性、可压缩的不定常流动问题，受轴向对称园柱座标的连续和动量方程、水的等熵状态方程支配。

The reasons: first, the ink dry slowly tends to be a result of the slow evaporation rate of water, usually as a result of viscidity exorbitance or monochamus version xuetie deep and too thick membrane or for non-absorbent plastic, aluminum foil, and so on do not absorb ink, the other is for full wind conditions or no drying equipment condition or drying (including infrared small magnetic dry power) caused by the temperature low and so on.

原因：一是油墨干燥慢往往是因水的蒸发速率慢引起的，通常也会因粘度过高或版穴深而墨膜过厚或因非吸收性塑料，铝箔等不吸收油墨导致的，二是因完全无风状态下或无烘干设备条件或烘干(包括红外磁波干燥功率小)温度低造成的等等。

However, the gelation tune was decreased with the increase of water amount and increased with the increase of ethanol amount.

在类似"两步法"中，通过同时使用的氢氟酸和氨水，凝胶化时间更短，其最佳条件是无水乙醇和水与正硅酸四乙酯的体积比各自是4和0.6，同时加入氢氟酸和氨水的体积比为1：1时，获得的比表面积最大。

In the course of the condensation of 2, 4, 6-triamino quinazoline with substituted benaldehyde, the solvent DMF was replaced by absolute ethanol and the dried 3A clathrates was used as the dehydrating agent in order to improve the yield.

在2，4，6-三氨基喹唑啉与取代苯甲醛的缩合过程中，用无水乙醇代替DMF作溶剂，并用干燥过的分子筛吸收反应过程中生成的水，从而简化了后处理的步骤，并提高了产率。

Model predictions are qualitatively consistent with experimental observations of regions of the buffer exposed to the highest temperatures,which indicate precipitation of secondary phasesanhydrite ± amorphous silica(opal-CT ± calcite and alteration of Na-smectite to Ca-smectite ± saponite.

模型的预测值能够定性地与高温下缓冲区的观测试验值相吻合，表明次生矿物的沉淀无水石膏±无定形二氧化硅(opal-CT±方解石和由 Na 基蒙脱石变为 Ca 基蒙脱石±皂石的相交替过程。

The optimum condition of preparing process were obtained: the amount - of - substance ratio of sodium hydroxide and eerie sulfate tetrahydrate was 4.8:1 ,the quantity of PEG was 8 mL in reaction and 7 mL in washing, absolute alcohol was 10 mL in washing, irradiation time was 6 min, constant microwave irradiation pressure was 0.14 MPa, microwave power was 232 W, the ultrasonic wave dispersing time was 10 min and the microwave drying time was 10 min.

通过考察制备过程中的各个影响因素，得到了制备纳米二氧化铈的最佳工艺条件：氢氧化钠与四水硫酸高铈物质的量比为4.8：1；聚乙二醇的反应用量为8mL，洗涤用量为7mL；无水乙醇的洗涤用量为10mL；微波恒压时间为6min；微波压力为0.14MPa；微波功率为232W；超声波分散时间为10min；微波干燥时间为10min。

First, the geometry optimization for 1-phenyldibenzophosphole and triphenylphosphine were carried out using quantum chemical AM1 method.

用量子化学AM1方法优化了1-苯基二苯并膦和三苯基膦的几何构型，比较了两种化合物的电子结构和空间结构，发现PDBP作为羰基合成铑膦催化剂的配体要优于三苯基膦；系统研究了PDBP的合成方法，其最佳合成条件为：在无水无氧的条件下，采用二乙胺锂与溴化四苯基膦摩尔比为3，反应温度为22 ℃，反应5 h，反应后酸化， pH值为1～2，产物收率可达到85％～88％。

Because of advantages such as containing metal-free, so the organocatalyst has not the potential risk of leaching of toxic metal ion to the environment; generally has good catalytic activity, some might exhibit peculiar character and catalytic mechanism as enzyme; easily handled, can be performed in solution or air without the necessity of severe conditions like water-free and oxygen-free.

因为其不含金属离子，不存在有毒金属离子泄漏而造成环境污染；一般具有较高的催化活性，有些显示出类似酶的特性和催化机理；反应容易操作，可在溶液或空气中进行，不需要无水无氧等苛刻条件；价格一般比较便宜，易于制备、修饰和改性，可调控性大；易于与产物分离及从反应体系中回收等一系列&绿色&的优点。

Analyze the effect of tapping hole clay production process and blast furnace smelting on blast furnace tapping hole under the condition of high strength smelting; compare the result of tapping hole clay with waterless tapping hole clay by using them and discuss the tendency.

记述了攀钢四高炉在高强度冶炼的条件下，炮泥生产工艺和高炉冶炼对高炉出铁口的影响因素，通过分析炮泥的使用效果，并将有水炮泥与无水炮泥作了比较，对其发展趋势作了一点探

Santiago del Estero Province is a technological backwater of Argentina, with most of its residents living without running water or electricity. Last May, Tzu Chi volunteers set up solar panels at a rural elementary school there, so that the students would have evening lighting and could power a TV.

素有阿根廷的非洲之称，圣地牙哥省科技极度落后，大部份的居民都过著无水无电的生活，今年五月，慈济志工就帮助了当地一所偏远小学，装设太阳能板，让学生可以有灯和电视可看。

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。