壳

An optimum design for the complex body formed together with the volute casing, base ring and cement foundation of a hydraulic turbine is made by the gradient method and a program is developed on the basis of finite element analysis with the plane and shell element, body element, boundary element and pseudo element.

本文对由水轮机蜗壳、座环和水泥基础所构成的复杂组合体，在采用板壳元、块体元、边界元和伪单元等四类单元进行有限元分析的基础上，选用最速下降法研究了优化设计过程，并编制成程序系统。

The main structure of the bridge before the drive axle housing is cast steel or welded axle housing plus red spiral bevel gear reducer planetary wheel speed increases, round side down and between the spiral bevel gear reducer through the double-connected universal joints, the entire series has a wide range of speed than optional, the situation is widely used in a variety of off-road vehicle use.

斯太尔后驱动桥主要结构是冲焊桥壳加螺旋锥齿轮减速加轮边行呈减速，轮间差速带有差速锁，整个系列有多种速比可选。整车离地间隙大，通过性好，桥壳截面进行了强化设计，提高了实际承载能力。可选装ABS，但桥额定轴荷13000kg。该桥可广泛应用于各种公路运输车辆，特种车，越野车，客车。

MATERIALS: Three Japanese big-eared rabbits with 3-months old were provided by Vital River Laboratory Animal Technology Co., Ltd., and the medical chitosan was purchased from Golden-shell Biochemical Co., Ltd.

材料：清洁级3月龄日本大耳兔3只，由北京实验动物技术有限公司提供。医用级壳聚糖为浙江金壳生物化学公司产品。

Green eggs with a shell of the egg is different from other nutritional content and structure of the green shell of the egg yolk than Cao Ji 8% of the large egg yolk, egg white thick, easily digested and absorbed by the body, egg yolk pigment Roche up to 13 About class (ordinary egg yolk pigment Roche for the general level 4 -5), lecithin, a living -A, B, E, amino acid content than the 5-10 times higherthanordinary eggs, the yolk of the egg ball ammonia β White and γ-globulin were higher than other kinds of chicken, the best is good tonic, Green Egg high-quality, nutritious, high-selenium, high zinc, high-PC PE, high Amino acid, high-vitamin A, E, the high non-saturated fatty acid, low-fat, low cholesterol, high Flavin light, the lightpigment αβγ and unknown immune globulin antibodiesanddiseaseresistantfactorisextremely desirable Health food, the scientists as "the ginseng eggs."

绿壳蛋具有不同于其它蛋品的营养结构和含量，绿壳蛋的蛋黄比草鸡蛋黄大8%，蛋清稠，极易被人体消化吸收，蛋黄色素可达罗氏13级左右（普通鸡蛋的蛋黄色素一般为罗氏4级-5级），卵磷脂、维生素A、B、E、氨基酸的含量比普通鸡蛋高出5-10倍，蛋黄中的氨β球蛋白和γ球蛋白均高于其它鸡种，是上等滋补佳品，绿蛋蛋品质高，营养丰富，含高硒、高锌、高卵磷脂脑磷脂、高氨基酸、高维生素A、E、高不饱合脂肪酸，低脂肪、低胆固醇、富含光黄素、光色素αβγ球蛋白和未知免疫抗体和抗病因子，是极为理想的保健食品，被科学家誉为&鸡蛋中的人参&。

According to the media and other corporate announcements, September 9, including Shell and Dongfang Boiler Group, Huaguang Heavy Industries shares, as well as land and sea, including three Chinese companies signed a contract authorized three manufacturing key equipment for Shell's coal gasification technology.

根据媒体及其他公司公告，9月9日壳牌和包括东方锅炉集团、华光股份以及海陆重工在内的三家中国公司签约，授权后三者制造壳牌煤气化技术关键设备。

One DHL water-fire tube boiler with angular tube structure has been introduced,which is a new type boiler improved from DZL water-fire tube boiler with upper or lower shell. It has characteristics of both DHL angular tube type water-tube hot water boiler and DZL water-fire tube hot water boiler.

介绍了一种采用角管结构的DHL型水火管热水锅炉结构特点，它是继DZL型上置锅壳的水火管锅炉和DZL型下置锅壳的水火管锅炉之后出现的一种新型水火管锅炉，它兼具DHL型角管结构水管热水锅炉和DZL型水火管热水锅炉的特点。

This article studied the heat transfer character and the pressure loss in the shell side of the elliptic tube heat exchanger and the helical baffle heat exchanger and the traditional bow-shaped baffle heat exchanger through the experiment.

通过试验方法对椭圆管换热器与螺旋折流板换热器和传统的弓形折流板换热器进行了壳程传热性能和压降的研究，同时进行了壳程传热性能和压降的对比。

Based on structure calculation of the pool wall,the top-cover of thin brick shell ,pull beam and base plate of underground round-arch single-well-head thin brick shell ,the paper proves that such a structure can bear load well and safely.

通过对地下圆拱式单井口砖薄壳的池壁、砖薄壳顶盖及拉梁和底板进行受力分析和结构计算，阐明了该种结构是一种受力合理、安全可靠的结构

Common transparent quartz tube SiO2 more than 99.9% purity, geometry, chemical stability, thermal stability, resistance to thermal denaturation and anti-crystallization properties of the fine, optical transmittance above 93%; from hydroxyl in hydroxyl tube below 10ppm, after vacuum from hydroxyl, hydroxy-up to 5ppm below apply to high-pressure mercury lamp, sodium lamp, metal halide lamp, such as low-hydroxy products; white pipe, used mainly for heating tube, heating tube, far infrared control the manufacture, milky quartz pearl quartz tube possession of new technology, the management side as if the surface of pearls, all aspects of performance than ordinary white tube better; filter tube to filter out ultraviolet UV band in the harmful wavelengths of 190-320nm ultraviolet light source applied to environmental protection manufacturing; no ozone UV filter tube and pipe the contrary, through the ultraviolet wavelength around 253.7nm, there is no ozone UV lamp main material, widely used in medical equipment, water treatment, food hygiene, such as sterilization; quartz casing diameter 8-120mm in between, has a single opening, double opening round, flat-top shape and widen the mouth of necking, flanging, sanding and other processing, high temperature resistance, corrosion resistance, good light transmission and moisture-proof, explosion-proof characteristics such as widely used in aquarium thermostat, disinfection equipment, heating pipes, water treatment, metal halide lamp, such as product manufacturing and environmental protection, health, chemical and other fields; quartz Clamshell specifications 8-180mm, the shape according to the customer requirements, the bubble shell can take capillary has to carry out the exhaust, high temperature, light transmission is good, mainly for JC, JD, H1-H7, the stage lights and high-pressure mercury lamp, sodium lamp, metal halide lamp, such as product manufacturing; quartz water jacket mainly used in printing and packaging processing industry ---- UV light-curing, UV light curing is a very reliable and can be used to replace hot air dryers and other drying technique of curing technology, which in the printing and packaging of the processing industry has been widely.

普通透明石英管SiO2纯度达99.9%以上，几何尺寸、化学稳定性、热稳定性、抗热变性和抗析晶性能优良，光学透过率达93%以上；脱羟管羟基在10ppm以下，经过真空脱羟，羟基可达5ppm以下，适用于高压汞灯、钠灯、金卤灯等低羟基产品；乳白管，主要用于发热管、加热管、远红外管的制造，珠光石英管乳白石英管之新工艺，管面好象珍珠的表面，各方面性能比普通乳白管更优；滤紫外线管能够滤除紫外光谱波段中对人体有害的190-320nm波长的紫外线，适用于环保光源的制造；无臭氧管与滤紫外线管相反，可透过253.7nm左右波长的紫外线，是无臭氧紫外线杀菌灯的主要材料，广泛用于医疗器械、水处理、食品卫生等杀菌；石英套管直径范围在8-120mm之间，有单开口、双开口、圆头、平头等外形和扩口、缩口、翻边、磨砂等加工，具有耐高温、耐腐蚀、透光性好及防潮、防爆等特点，广泛使用于水族恒温器、消毒设备、加热管、水处理、金卤灯等产品的制造和环保、卫生、化工等领域；石英泡壳规格Φ8-180mm，形状根据客户要求，泡壳上可以接有毛细管，可进行排气，耐高温，透光性好，主要用于JC、JD、H1-H7、舞台灯和高压汞灯、钠灯、金卤灯等产品的制造；石英水套主要用于印刷和包装加工工业---- UV光固化， UV光固化是一种十分可靠的、可取代热空气干燥机和其他干燥技术的固化技术，它在印刷和包装加工工业已经得到广泛应用。

A pH-responsive controlled releasing carrier for medicine is a chitosan-base gel which is prepared from Chitosan, gelatin and pectin through cross-linking by aldehyde cross-linking agents, and features obvious pH dependency, high biocompatibility and abling to biologically degradate. It can be used for detention-type controlled releasing medicines to avoid toxic' by-effect due to excess dosage.

一种pH响应性药物控释载体，采用壳聚糖、明胶和果胶等天然高分子材料用醛类交联剂共交联合成了壳聚糖基凝胶，用该凝胶制备的药物释放体系呈明显的pH依赖性，用于口服抗酸、治疗胃肠疾患的滞留型控释制剂，可避免释放药量过度导致的毒副作用，且该控释载体生物相容性好、可生物降解。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！