查询词典 sulfate

Objective To study effects of Triton X-100 on the oxygen uptake rate of photosystem I particles treated by sodium dodecyl sulfate.

目的 研究Triton X-100对SDS处理后光系统I颗粒耗氧速率的影响。

Anionic surfactant sodium dodecyl sulfate can be used to enhance or regulate the EOF.

另外，在缓冲液中加入阴离子表面活性剂SDS可以调节电渗流的大小。

The purified cTnⅠ was identified by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and Western blotting.

纯化的cTnⅠ采用十二烷基硫酸钠－聚丙烯酰胺凝胶电泳和免疫印迹法进行鉴定。

The paper studies mainly the separation and recovery of low -concentration sodium sulfate - acetic acid-water system in the laboratory and probes into how varied factors affect the electrodialyzer' s limited electricity current density and in separating process performance.

本课题在实验室范围内，对低浓度硫酸钠—乙酸—水物系电渗析分离过程进行了研究，并就各种因素对电渗析器的极限电流密度和分离过程性能的影响进行了探讨。

The samples were taken from the slope of Haizhou Opencast Mine in Fuxin city.The results show that some components,such as the total hardness and sulfate,above-norm seriously in the beginning of the leaching experiment,and then became stable rapidly with the increasing of eluviate volume,and the pH values of eluviation solution more than seven.Haizhou surface mining will effect the groundwater for 20-25 years.

对从阜新海州露天煤矿岩质边坡取得样品的淋溶实验表明：淋溶初期总硬度、硫酸盐等组分严重超标，各组分随淋溶总体积的增加迅速趋于稳定；淋溶过程中pH＞7，淋溶液偏碱性；海州露天矿开采会对地下水影响20～25 a。

The health effect observed following sulfur sulfate ingestion are laxative action, diarrhea and enterogastritis.

硫与硫酸根主要的健康效应是会造成食用者消化系统的不适语病变，包括下痢与肠胃炎。

To the best of our knowledge, the relationship of surface acitivity of catanionic surfactant with temperature has not been revealed, and the catanionic surfactant has not been employed in organic reaction also.In this work, surface tensions of equimolar cetyl trimethylammonium bromide-sodium dodecyl sulfate at different temperatures were determined and compared with those of corresponding individual surfactants.

为扩展复配体系的应用，本论文选取等摩尔十六烷基三甲基溴化铵—十二烷基硫酸钠复配体系及它们的单一体系为研究对象，观察到随着温度的升高，CTAB及SDS表面活性变化不大，而等摩尔CTAB-SDS的表面活性显著增强，这是由于升温减弱了其强烈的静电作用，并通过溶解性实验结果进一步证实。

Considering the effect of m any factors when the reaction reaches balance, and in order to increase t he rate of the product, the rate of the changing of sulfate dimthyle, we det ermined the best condition at last. The temperature is between 80 ℃ and 90 ℃. The for mula of the materials is 3∶1～4∶1.The time of reaction is between 4 and 5 hour s.

考虑反应达平衡时诸多因素的影响以及有利于提高产品的产率、硫酸二甲酯的转化率等问题，最后确定了最佳条件：反应温度为80～90 ℃之间，原料配比为3∶1～4∶1，反应时间为4～5 h。

The study indicates that the Pb and Zn ore-forming elements probably come from the basement rocks; The initial Pb isotope could be derived from the crust-mantle mixing in the erogenic belt; sulfur isotope composition is enriched in heavy sulfur that may have come from the seawater sulfate in the synchronous sedimentation; the ore is characterized with REE enrichment, obvious fractionation of LREE and flat-pattern of HREE; ore-forming media is thermal brine fluid; both mineralization temperature and pressure are low; the metallogenic epoch is probably in late Dengying epoch of Sinian period.

研究表明，基底岩系可能为成矿元素Pb、Zn的主要来源；原始铅主要来源于壳幔棍合的造山带；硫同位素富集重硫，可能主要来源海水硫酸盐；矿石中稀土元素富集，轻稀土分异较明显，而重稀土分异不明显；成矿流体推测为热卤水性质，成矿温度为中低温，具有低压浅成成矿特点；矿床形成的初期应始于震旦纪灯影世晚期。

Supersonic wave disperse research indicated, ethanediol as the disperse medium, it could got suspending liquid about for firve days, but relatively large in grain size. However, combined use of lauryl sodium sulfate and maleic anhydride as disperse medium, the disperse result among water was better than the former, and it would be steady for two days.

超声分散研究表明，使用聚乙二醇作为分散介质，可得到分散五天左右的悬浮液，但分散后粒度较大，使用十二烷基硫酸钠和顺丁烯二酸酐混合作为分散介质在水中分散效果较好，可稳定两天左右。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。