查询词典 silicon

Choose appropriate tray, make individual tray when necessary, use silicon balata or get together material of ether balata moulage...

选择合适托盘，必要时制作个别托盘，采用硅橡胶或聚醚橡胶印模材。。。

As a kind of mufti- functional materials, silicon nitride thin film is widely used in many fields.

氮化硅薄膜是一种多功能材料，在许多领域有着广泛的应用。

Multivibrator ; thermistor ; silicon-controlled rectifier ; adjustable temperature

多谐振荡器；热敏电阻；可控硅；温度可调

In order to prepare the purified poly silicon thin film, we deposited a bed of nickel on the samples face by Magnetron Sputtering method, then put the samples into anneal for some time and cleaned them with diluted muriatic acid.

为了能制备出纯度高的多晶硅薄膜，我们采用磁控溅射法在薄膜上面沉积一层金属镍膜，然后进行退火处理并用稀盐酸清洗。

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

By the Test, we find out the better technological conditions, the results show that the secondary magnetic-spiral and spiral -magnetic are the better flowsheet for the pyrite cinders. Under the action of muriatic acid and hydrofluoric acid, the content of sulphur, silicon, lead, copper are descend to 0.21%, 8.26%, 0.053%, 0.023%. A total iron concentrate containing 62.34% Fe is obtained with recovery of 78.08% Fe.

通过试验，得到较优的工艺条件，结果表明，两段磁选—螺旋溜槽是较适合于该种硫铁矿烧渣的工艺流程；再经HCl、HF等酸浸脱杂降硫除铅，获得品位为62.34％，回收率为78.08％的铁精矿产品，S、SiO_2、Pb、Cu的含量分别降为0.21％、8.26％、0.053％、0.023％。

The mothed of quantitative analysis of silicon dioxide with silico-fluoride natrium volumetry is introduled and conditions are chosen.

主要介绍了用硅氟酸钠容量分析法测定二氧化硅含量的方法，并进行了测量条件的选择。

Silicon dioxide ; inductively coupled plasma atomic emission spectrometry ; fluorite ; nebulizer and torch resistant to hydrofluoric acid

二氧化硅；电感耦合等离子体原子发射光谱法；萤石；耐HF腐蚀的ICP雾化器和矩管系统

Finally, according to the various properties of the optimization algorithms, the optimization algorithms have been applied to predicting the silicon content of hot metal and to optimizing the operation parameters of the blast furnace to meet the need of the higher hot metal output and the lower coke rate. Major research work in this paper includes:(1) Based on the study of the statistic property of the Logistic chaos map, the author has proposed the nested intervals chaos search method which improves the ergodicity of the chaos search by searching the area once more where the probability distribution is small.

高炉炼铁生产是一个复杂的非线性过程，高炉生产操作参数的优化涉及优化模型的建立、多目标优化、约束条件的检验等多个问题，对于这么一个复杂的优化问题，传统、单一的优化方法已存在局限性，因此本文研究了两种新型的具有不同特点的优化方法：基于混沌理论的优化方法和基于人工免疫理论的优化方法，并设计了几种混合优化方法。

Lotus Software of the Creation were Mitch Kapor recalled the many pains and sorrows among Silicon Valley companies, Google and Apple will be compared against the "new wine in old bottles."

莲花软件公司的创世人米切尔·卡普尔回忆起许多硅谷公司之间的恩怨情仇，并将谷歌和苹果的对抗比喻为"旧瓶装新酒"。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新