大孔

M porous structure confirms transmission of body fluid of human body and ingrowths of mineral and fiber tissue, then made it firmer combine with around tissue of human body and the commutative pores was favourable for affusion of bioactive HA.

本实验采用东北大学陶瓷研究所研制成功的由Ti粉和Ni粉为主要原料，采用TiH_2和NH_4HCO_3作为造孔剂，通过粉末冶金方法制备的多孔NiTi合金，并采用真空灌注羟基磷灰石的方法取得的种植体的新材料，在添加TiH_2做为造孔剂的基础上在Ti：Ni原子比为50%：50%的试样中添加NH_4HCO_3做为第二种造孔剂后，试样中的气孔经检测是由100～500μm的大孔、1～50μm小孔和1μm以下的微孔组成，产生了合理的粗化表面并同时得到了固位良好的生物涂层。

Butter: 25Kg Angaur butter, Angaur 5kg butter, Angaur 227g butter, Angaur were butter, Tower of butter, butter Tower volumes, shepherd boy butter, butter cream pastry song text: Tower light cream, light cream Oldenburg , Diamond cream, sweet butter, listen to the Prevention of Cruelty to paper, spray butter love, love coffee milk cheese: Cheddar Angaur, 88 Angaur cheese, Angaur cream cheese, cheese Angaur Matsu lire, Australia Matsu lire cheese, Kraft cheese, Tower cheese, laughing cow cheese, red wave cheese, red wave cheese, Gouda cheese, blue cheese wave, France Macroporous cheese, Switzerland Macroporous cheese, cheese is also the oldest, Kim Savimbi cheese, Pakistan Collinson cheese, Kraft Philadelphia Cheese

黄油：安佳25Kg黄油、安佳5Kg黄油、安佳227g黄油、安佳份黄油、铁塔份黄油、铁塔牛油卷、牧童黄油、歌文酥皮黄油奶油：铁塔淡奶油、欧登堡淡奶油、金钻奶油、爱护纸听甜奶油、爱护喷射奶油、爱护咖啡奶芝士：安佳车打芝士、安佳88片芝士、安佳奶油芝士、安佳马祖里拉芝士、澳洲马祖里拉芝士、卡夫芝士、铁塔芝士、笑牛芝士、红波芝士、红波芝士、黄波芝士、蓝波芝士、法国大孔芝士、瑞士大孔芝士、古老也芝士、金文比芝士、巴臣芝士、卡夫费城芝士

ObjectiveTo study the technological parameters of purification of total glycoside from Cornus officinalis with macroporous resin.

目的应用大孔吸附树脂对山茱萸中环烯醚萜苷类成分进行分离纯化，考察大孔树脂纯化山茱萸总苷的工艺参数。

Posterior cranial cavity heteromorphosis and crowded nervous tissues in debouch of inferior foramen occipital may be the reasons of the kind of cervical vertebra sickness symptoms and the latter group cranial nerve symptoms,so we suggest calling this group of symptom the debouch of inferior foramen occipital crowding syndrome.

后颅腔形态变异和枕骨大孔出口神经组织拥挤可能是类颈椎病症状和部分后组颅神经症状的原因，建议将这组症状称为枕骨大孔出口拥挤综合征。

Hydrothermal treatment and pH value swing could shift the micropore distribution of alumina to macroporous direction, and decreased surface areas; the surfactants addition could shift the micropore distribution of alumina to microporous direction, and increase surface areas.

其中pH值交替变动和水热处理使氧化铝微孔分布向大孔方向迁移，比表面降低；加入表面活性剂使氧化铝微孔分布向小孔方向迁移，比表面增加，制备出了低比表面≤150平方公尺g^(-1和高比表面≥250平方公尺g^(-1的大孔容氧化铝载体。

Based on relative literatures,this part has included five resesearch aspects as below.1 Fifteen compounds were isolated and purified by extraction,column chromatography,and their structures were determined on the basis of spectral analysis: acteoside(Ⅰ-1),isoacteoside(Ⅰ-2),crenatoside(Ⅰ-3),cistanoside F(Ⅰ-4),sinapoyl-4-O-β-D-glucoside(Ⅰ-5),adenosine(Ⅰ-6),β-siterol(Ⅰ-7),oleanic acid(Ⅰ-8), succinic acid(Ⅰ-9),caffeic acid(Ⅰ-10),protocatechuic aldehyde(Ⅰ-11),p-hydro xybenzyl alcohol(Ⅰ-12),β-daucosterol(Ⅰ-13),D-galacitol(Ⅰ-14),D-mannitol(Ⅰ-15).Ⅰ-4～15 were obtained from this plant for the first time,andⅠ-6,7,9,and 13 were isolated from Orobanche genus for the first time.2 The scavenging test of DPPH showed that most compounds have comparative antioxidant activity as L-ascorbic acid and part of them show better activity such as the O.coerulescens extract and phenylethanoid glycosides.Acteoside showed potent free radical scavenging effects with a median inhibition concentration of 25.6μg/ml.3 The anti-HBV activities of acteoside,isoacteoside and crenatoside were measured,and all of them showed suppressive activity on the expression of HBsAg and HBeAg in the HepG2.2.15 cell line.

本论文在文献调研基础上对紫花列当化学成分及生物活性进行了研究，并从免疫抗病毒角度探讨紫花列当中特征性成分类叶升麻苷的肝保护作用及其机制。1采用大孔树脂、硅胶和Sephadex LH-20等色谱技术对紫花列当进行系统的植物化学研究，从中分离得到19个化合物，利用UV和NMR等波谱手段及理化性质鉴定了其中的15个化合物，分别为类叶升麻苷(Ⅰ-1)、异类叶升麻苷(Ⅰ-2)、crenatoside(Ⅰ-3)、cistanoside F(Ⅰ-4)、sinapoyl-4-O-β-D-glucoside(Ⅰ-5)、腺苷(Ⅰ-6)、β-谷甾醇(Ⅰ-7)、齐墩果酸(Ⅰ-8)、琥珀酸(Ⅰ-9)、咖啡酸(Ⅰ-10)、原儿茶醛(Ⅰ-11)、对羟甲基苯甲酸(Ⅰ-12)、β-胡萝卜苷(Ⅰ-13)、D-半乳糖醇(Ⅰ-14)和甘露醇(Ⅰ-15除化合物Ⅰ-1、Ⅰ-2和Ⅰ-3外，其余化合物均为首次从该植物中分离得到。2)通过大孔树脂富集该药材有效部位苯乙醇总苷，并采用HPLC测得其所含特征性成分类叶升麻苷的含量可达80%以上。3DPPH自由基清除试验显示紫花列当提取物及其所含的苯乙醇苷类化合物均具有较好的抗氧化能力，其清除DPPH自由基能力接近于抗坏血酸。4采用卡介苗整体致敏、脂多糖离体攻击构建大鼠原代肝细胞免疫性损伤模型，在体外观察类叶升麻苷的保肝作用。

The microstructure of the sintered bone was observed by scanning electron microscope and mercury porosimeter. Results showed that the sintered bone possess the three dimensional space structure composed of macropores and micropores. The diameter of macropore was 50-400 μm and the diameter of micropore was about 1 μm. Results suggest the sintered bone of β-TCP remains the porous structure of natural cancellous bone which is benefit to growing of new bone.

结果显示β-磷酸三钙煅烧骨具有大孔结构和微孔结构相结合的三维空间结构，大孔孔径为50~400 μm，微孔孔径为1 μm左右，提示β-磷酸三钙煅烧骨保留了天然松质骨的多孔状结构，有利于新生骨组织的长入。

Some conclusions are drawn which by analyzing the experimental data.There are seriate pores with continuous diameters in the coal, some of which are fracture-type.The pore volume of the coal is mainly...

分析表明，大同煤具有连续的完整的孔系统，且部分孔为狭缝毛细孔；孔体积主要由大孔和中孔构成，比表面积主要由小孔和中孔构成；随着颗粒粒度的减小，煤粉的孔隙结构发生变化，致使比表面积和孔容积均增大，平均孔直径减小。

In the present dissertation, a surfactant-templated mesoporous silica molecular sieve with high pore volume, high porosity and narrow bimodal mesopore size distribution was synthesized for the first time in a reaction system, which was used usually in the synthesis of mesoporous MCM-41 molecular sieves, by a judiciously controlled two-phase sol-gel processing under basic conditions.

在本论文中，我们通过对一个通常用于制备介孔MCM-41分子筛的反应体系中正硅酸乙酯水解与缩合反应相对速率的精确调控，首次在弱碱性体系中合成了一种具有高孔隙率、大孔体积和双介孔孔分布特征的新型二氧化硅分子筛材料，简记为BMS，并对BMS二氧化硅分子筛中双介孔结构形成的原因及各种可能对其结构和性质产生影响的合成因素如Ammonia／silica摩尔比、组分浓度的变化、表面活性剂烷基链长度的调节、辅助有机物均三甲苯的引入、催化剂的结构和性质、溶剂和助溶剂的极性和用量、老化和干燥条件的变化及合成后水热处理等，利用不同的测试手段如XRD，SEM，TEM，〓Si MAS NMR，TG-DTA，N〓吸附测试等进行了系统的表征研究。

objective to study the diagnosis and operative treatment of foramen magnum tumors.methods the clinical presentations,mri images, operative technique and prognosis of 9 cases with tumors of the foramen magnum were analyzed retrospectively.results 5 cases got total removal, 3 cases got subtotal removal, and 1 case got partial removal.conclusion acquaintance with anatomy of foramen magnum region,microsurgical technique,suitable surgical approach and post--operative management are closely related with the therapeutic effect.

目的 研究枕大孔区肿瘤的诊断与手术疗效。方法回顾性分析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。