弱碱性的
- 与 弱碱性的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Also, it could be used to study the effect of cellobiose on cellulase activities and the inhibition of dyestuff in the enzymatic treatment bath against cellulase activities.
滤纸崩溃法可以测定某些滤纸糖化法无法测定的中性酶和弱碱性酶的总活力,也可用来研究纤维二糖对纤维素酶活力的影响,以及染料溶液对纤维素酶活力的抑制等。
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A sensitive spectrophotometric method for the determination of trace amounts of chlorine dioxide based on the fading reaction of chlorophenol red by chlorine dioxide has been developed in the alkaline solution.
在弱碱性条件下,二氧化氯(ClO2 )氧化氯酚红使其褪色,于 5 75nm波长处测定剩余氯酚红的吸光度,当用试剂空白参比时,吸光度的降低值与ClO2 的浓度呈直线关系,其它氧化剂在测定条件下无干扰,方法有较高的灵敏度和很好的选择性。
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Based on the original production process, the developed corrosion inhibitor used for polyurethane foaming changes the pH of dialyzate, which is produced from submerging polyurethane foam to water, from acidity into faint alkalinity, so as to inhibit or retard corrosion of the pipeline.
研制成的聚氨酯泡沫用缓蚀剂,在不改变原有生产工艺及发泡参数的基础上,将聚氨酯泡沫浸水析出液的pH值由酸性改变为弱碱性,从而达到抑制或延缓泡夹管腐蚀的目的;采用喷涂聚脉补口技术,有效地提高了现场补口的质量。
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With regard to the washing agent, we should select the neutral or alkalescent agent.
纯净的蒸馏水是最好的清洗剂,它对文物的损伤非常小,并且有很好的洗涤效果,若需要使用洗涤剂,洗涤剂为中性或弱碱性。
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Because of the little difference in the structure, their ratios of fluorescence emissions cover with two different broad range, which are ideal for accurate near- physiological and alkalescent conditions pH measurements respectively.
由于HC1和HC2结构上的微小差异,使得两个化合物荧光强度的比值分别落于两个不同的pH区段内,因此,可分别用于近生理条件及弱碱性条件下pH的准确测量。
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The saline alkaline wetland is the result of saline alkalization of wetland, showing degeneration of entironment.
腰泡作为松嫩平原弱碱性湖泡湿地的典型之一,其生态系统具有生物多样性相对较好和食物链较短的优点,但动植物的数量关系反映出系统结构失调和功能受阻的缺陷。
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Knoevenagel condensation reaction of aromatic aldehydes with active methylene compounds like ethyl cyanoacetate proceeds smoothly in water in the presence of 8mol% of diammonium hydrogen phosphate and 2mol% TEBA.
醛与活泼亚甲基化合物的 Knoevenagel 反应是有机合成中广泛应用的形成碳碳键的重要方法,该反应一般是弱碱性催化剂存在下完成的,如各类胺、脲[1]等,Lerwis酸[2]、杂多酸[3]、氨基酸[4]等也可用于催化该反应。
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The results indicated that the total surface basic sites was in favor of increasing catalytic activity, while the higher ratio of medium-strength basic sites was good for improving the selectivity of isophorone.
经过镧改性催化剂的表面总碱量增加,可提高催化剂的活性,但增加的碱量主要位于弱碱性位,因而不利于提高催化剂对于异佛尔酮的选择性。
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The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.
氯化镍既可用于电镀,又是制备电镀化学品氨基磺酸镍的重要原料,其中的铅是影响电镀镍质量的一个重要因素,现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准,经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂,在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响,测出了树脂的吸附容量并考察了树脂的解析性能。
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Relatively thick, highly protective films of boehmite, aluminum oxide hydroxide AlOOH, are formed in water near its boiling point, especially if it is made slightly alkaline, and thicker, more protective films are formed in water or steam at still higher temperatures.
比较厚的薄水铝石,高保护膜,氢氧化铝硬铝石,在水中形成接近沸点,尤其是如果它是由弱碱性,和由于铝生产的氧化形式的腐蚀状况而定,其识别厚,更形成保护膜在水或蒸汽在更高的温度。
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。