查询词典 silicon

objectiveto explore the drain way to tear with inferior lacrimal passage ruined critically.methodsthe special silicon tube whose bore 1mm and diameter 2mm was inserted between conjunctival sac and nasal vestibule,the tube was placed under the soft tissue of bucco-nasal groove and in the surface of the protrusion of upper jaw bone.resultsthere were 32 patients who undergone tube above five years.one patient of them was pulled out the tube because of papilloma hyperplasia,the other patient was pulled out the tube with the tube slide below,and the rest 30 patients kept the drain well and co

目的探讨下泪道破坏严重时泪液引流途径。方法在结膜囊-鼻前庭间安置一个内径1mm、外径2mm的特制硅胶导管，此管置于鼻颊沟软组织下，上颌骨前突表面。结果治疗32例，观察5年以上，其中1例因结膜乳头状瘤增生而拔管，1例因导管下滑而拔管，30例引流良好，病人亦能耐受。本文就引流机制、并发症、机体耐受问题和操作进行了详细地讨论。结论泪道外插管是下泪道严重损害时泪液引流的一种较好的解决方法。皮下；结膜鼻腔造瘘术；硅胶导管

This article introduces the technology of the soft starter for belt conveyor,and compares the working principles,advantages and disadvantages of velocity modulated hydraulic coupler ,liquid sliminess soft starter,CST,frequency conversion velocity modulation soft starter,silicon-controlled velocity modulation soft starter.

介绍了带式输送机软起动技术现状，比较了调速型液力偶合器、液体粘性软起动、CST，可控硅调压调速、变频调速技术等软起动技术的工作原理及优、缺点，展望了其发展趋势，对带式输送机系统中软起动装置的选用有一定的参考价值。

The inventive silicon based piezo-electricity socle girder miniature power supply device, pertains to the micro-energy sources field in the electronic technology Micro Electro-Me-chanical Systems field.

本发明一种硅基压电悬臂梁微型电源装置，属于电子技术和微机电系统领域中的微能源领域。

Scientist Ray Stanford states that the samples are an unknown alloy. On August 20, 1964, fifteen days after Stanford makes his statement, NASA scientist Sciacca states that the Socorro sample is silicon.

科学家雷斯坦福指出，样本是未知的合金。1964年8月20日，斯坦福声明后15天，美国航天局的科学家Sciacca指出，Socorro样本是矽。

The effects of using silicon dioxide and coal fly ash as well as sodium borate as additives were studied to improve the mechanical characteristic of the MSWI fly ash with phosphoric acid pretreatment during the sintering treatment process.

为提高经磷酸预处理后的焚烧飞灰在烧结处理过程中的烧结体机械强度，研究了添加SiO2或粉煤灰进行调质，其添加比例对烧结温度和烧结体性能的影响。同时进一步研究了利用硼酸钠作为助熔剂对焚烧飞灰烧结试验影响。

In the second chapter, porous silicon is surface modified with four kinds of surfactants: Sodium dodecyl sulfate, Cetyl pyridinium bromide, Sodium oleate and OP.

第二章利用表面活性剂对多孔硅进行表面修饰，研究了不同表面活性剂修饰的多孔硅的荧光光谱。

In fact, silicon dioxide, aluminum oxide, ferric oxide, calcium oxide and sodium oxide are the main components of coal ash that influence on fouling and slagging.

由于我国煤炭种类繁多，煤中矿物质的成分和含量千变万化，给煤的结渣机理研究带来很多干扰因素，从中找出明确的规律不是一件易事。

The best technology parameters are studied in the production of precipitated silicon dioxide,light magne sium oxide and by-products of sodium sulfate and iron oxide red from the asbestos tailings in a wet method.

探讨了以石棉尾矿为原料，采用湿法生产沉淀二氧化硅和轻质氧化镁，副产硫酸钠、氧化铁红等化工原料的最佳工艺参数，充分利用了陕西省的矿产资源，解决了石棉尾矿的环境污染问题。

Silicon Dioxide is obtained by insolubilizing the dissolved silica in sodium silicate solution.

二氧化硅是通过将在硅酸钠溶液中已溶解的硅固化而得。

The polymerization of sodium silicate and gel condensation of silicon dioxide are accelerated by using the firming agent.

用固化剂促进水玻璃的聚合和二氧化硅凝胶的缩合，拼用苯丙乳液作为辅助成膜物质。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。