大孔

The products were composed of single calcite phase, possessing high specific surface area and macro- and mesoporous structures.

产物由单一的方解石晶相构成，具有高的比表面积一定的大孔与介孔结构。

The results indicate that there is less correlativity between the pore structure and the properties of CWS.

结果表明，煤的孔结构特性对水煤浆性质的影响较为复杂，主要是煤的大孔结构对煤浆成浆性的影响。

SEM results indicate that the diameter of monodisperse polystyrene latex particles is 317nm, PS latex particles array orderly on the colloidal crystal balls, and surface of inverse opaline balls presents ordered pores.

结果表明，改性PS乳胶粒呈单分散性，粒径为317nm；肢体晶体微球表面PS乳胶粒排列有序；有序大孔SiO2微球表面呈有序多孔，其孔呈六边形，孔径分布均一，约为200nm。

To further study the chemical constitutes of lipophilic active parts, we prepared Alc95% and Alc50% according to original literature. 20 compounds were isolated by using macroporous resin, silica gel, polyamide, Sephadex LH-20, Rp-18, preparative TLC and preparative HPLC chromato-graphy. The structures of them were elucidated by means of physical and chemical properties, modern spectroscopic analysis techniques—UV、IR、 EI/MS、ESI/MS、〓H-NMR、〓C-NMR、DEPT、HMQC、HMBC. They are nine anthraquinones: chrysophanol (95-1), physcion (95-2), emodin (95-5), aloemodin (95-7), rhein (50-1), sennoside A or B (50-6),ω-hydroxylemodin (95-10), chrysophanol-8-0-β-D-glucoside (95-12), aloemodin-ω-0-β-D-glucoside (95-13); three phenanthaquinones: tanshinone ⅡA (95-3), cryptotanshinone (95-6), tanshinone Ⅰ(95-4); one isoflavone: 7, 3'-dihydroxyl-5' methoxyisoflavone (95-14) and protocaechuic aldehyde (95-9), protocaechuic acid (95-11), astragaloside Ⅳ(50-4), amygdalin (50-5), 2, 3, 5, 4'-tetrahydroxylstilbene-2-0-β-D-glucoside (50-3),-catechin (50-2), cinnamic acid (95-8). Among them, 3'-dihydroxyl-5' methoxyisoflavone (95-14) is a new compound.

经过溶剂萃取、大孔吸附树脂富集、Sephadex LH-20精制、制备TLC及Semi-pre HPLC等手段从中分离了20个化合物，利用理化性质和波谱技术(UV、IR、EI／MS、ESI／MS、〓H-NMR、〓C-NMR、DEPT、HMQC、HMBC)相结合鉴定了它们的结构，分别为9种蒽醌类化合物：大黄酚，大黄素甲醚，大黄素，芦荟大黄素，大黄酸，番泻苷A或B，ω-羟基大黄素(ω-hydroxylemodin)，大黄酚-8-0-β-D-葡萄糖苷(chrysophanol-8-0-β-D-glucoside)，芦荟大黄素-ω-0-β-D-葡萄糖苷(aloemodin-ω-0-β-D-glucoside)；3种菲醌类化合物：丹参酮ⅡA(tanshinoneⅡA)，隐丹参酮，丹参酮Ⅰ(tanshinone Ⅰ)；1种异黄酮：7，3'-二羟基-5'-甲氧基异黄酮（7，3'-dihydroxy-5' methoxyisofla-vone）以及原儿茶醛，原儿茶酸，黄芪甲苷(astragaloside Ⅳ)，苦杏仁苷，2，3，5，4'-四羟基二苯乙烯-2-0-β-D-葡萄糖苷（2，3，5，4'-tetrahydroxylstilbene-2-O-β-D-g1ucoside），Z—儿茶素，桂皮酸。

During the mounting, the compinents unfurl them to retrieve circularity. The thesis will elaborate the programming method in how to use NUM System′N/C Center to machine and have process analyses on them with high precision on condition that the big locating hole and the 3-25H7 cylindriform ...

在没有将变形的定位大孔及3-25H7圆柱定位销孔分布圆恢复成圆形的情况下，在NUM系统的加工中心加工，对其进行的工艺分析和保证高加工精度的编程方法。

Studied the extraction and isolation technology of the raw material Tongguangteng origins from Sichuan, decocted it by water, and used macroporous resin to adsorb it twice, then use macroporous ion exchange resin to purify it.The yield of the saponin gained is about 1%, and the content is more than 90%.

以川产通光藤为原料，对其皂苷的提取分离工艺进行了研究：采用水煎煮、两次大孔吸附树脂吸附一大孔离子交换树脂纯化的工艺，制得皂苷的收率约为1％，含量高于90％。

In the lignite matrix, the porosities are mainly meso- and macroporosities.

褐煤基质中的孔隙以中孔、大孔为主。

The results show that the flash evaporation is one of the new effective methods to improve the desulfurization capability of the calcium-based sorbent. The porosity measurements indicate that the pores in the limestone are enlarged after the flash evaporation in a tank.

压汞测试结果表明，闪蒸改性后钙基吸收剂的孔径明显增大，孔数峰值向大孔方向偏移，其中南京孟墓石灰石闪蒸改性效果最佳。

Methods The clinical presentations,MRI images, operative technique and prognosis of 9 cases with tumors of the foramen magnum were analyzed retrospectively.

回顾性 分析 9例枕大孔区肿瘤的临床表现和MRI影像，手术技巧和预后。结果全切5例，次全切3例，部分切除1例。结论熟悉枕大孔区解剖，运用显微外科技术，选

Acquaintance with anatomy of foramen magnum region,microsurgical technique,suitable surgical approach and post--operative management are closely related with the therapeutic effect.

回顾性 分析 9例枕大孔区肿瘤的临床表现和MRI影像，手术技巧和预后。结果全切5例，次全切3例，部分切除1例。结论熟悉枕大孔区解剖，运用显微外科技术，选择合适手术入路，注重术后处理，都与疗效密切相关。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。