英语人>网络例句>碱性反应 相关的搜索结果
网络例句

碱性反应

与 碱性反应 相关的网络例句 [注:此内容来源于网络,仅供参考]

Therefrom; heating said waste edible oil from which solid materials have been removed to a predetermined temperature, thereby removing moisture and materials of odor contained in the waste edible oil therefrom by evaporation; dissolving in alcohol a catalyst containing at least one type or more types of alkaline material selected from a group comprised of at least potassium hydroxide, potassium carbonate and potassium alcoholate, thereby preparing an alcoholic solution containing the catalyst; mixing said waste edible oil from which said solid materials, moisture and materials of odor have been removed with said alcoholic solution containing the catalyst and stirring the waste edible oil and alcoholic solution, thereby accelerating a catalytic reaction between the waste edible oil and the alcohol and obtaining a reaction product between the waste edible oil and the alcohol; separating said reaction product into a light solution and a heavy solution; mixing the light solution obtained in the separation step with a solid absorbent, thereby impurities such as residual catalyst, odor material, moisture contained in the light solution being absorbed by the solid absorbent; and separating and removing said solid absorbent from a mixture of the solid absorbent having absorbed the impurities and the light solution.

完成前述对象,根据这项发明的特点是获得的柴油燃油从废油脂透过几个步骤:去除固体材料包含在一个废油脂倾倒,从餐厅,食品厂,民政等因此;暖气说,废油脂从哪个固体材料已被调离到一个预定的温度,从而消除了水分和材料的气味,载于废油脂因此由蒸发;溶解在酒精的催化剂至少含有一种或更多类型的碱性材料选定由一组组成的至少氢氧化钾,碳酸钾和钾,醇,从而准备一醇溶液中含有催化剂;混合说,废油脂从哪个说,固体材料,含水率和材料的气味已被剔除与说,酒精性解决方案载有催化剂和搅拌废物食用油及含酒精的解决办法,从而加速催化反应之间的废油脂及酒精和获得反应产物之间的废油脂及酒精;分开说,反应产物成为一个轻型的解决方案和沉重的解决方案;混合轻解决方案,获得了在分离一步一个坚实的吸水性,从而杂质,如残留的催化剂,气味的物质,水分,载于轻解决方案,被吸收的固体吸收剂;分离和消除说,固体吸附剂从混合物对固体吸收剂吸收了杂质和轻便的解决办法。

The reaction performance that the soda acid sex of carrier and the size of the area that compare a list affect activator directly, of the compound carrier surface that decorates via alkaline-earth metal alkalescent increase, rose to leave capacity to the adsorptive solution of CO2, activation agent is shown in reforming reaction better fight carbon deposit ability.

载体的酸碱性和比表面积的大小直接影响到催化剂的反应性能,经碱土金属修饰的复合载体表面的碱性增强,提高了对CO2的吸附解离能力,使催化剂在重整反应中表现出较好的抗积炭能力。

This article provided a new route to produce 4-dimethoxy phenethylamine. In basic condition, the product could be obtained through etherization, bromation, Grignard reaction, hydroxyethylation, esterification and Gabriel reaction with phenol as raw material, the overall yield is 45.0%.

提出了合成4-甲氧基苯乙胺的新方法,即在碱性条件下,苯酚首先与硫酸二甲酯反应,再选用高选择性的溴化剂溴化后,经格氏反应、羟乙基化反应和酯化反应,最后经Gabriel反应可以制备目标产物,反应总收率为45.0%。

The invention discloses a method for measuring seawater chemical oxygen demand by photometry, wherein the seawater exemplar is first pre-processed, then using the basic potassium hypermanganate as reaction system, the potassium permanganate is deacidized quantitatively by organics to produce manganate, using pure water or margin solution as reference ratio, measuring the absorbance an of the manganate at its maximum absorbing wave length 430 nm, drafting the A-COD value operating curve, obtaining the concentration of the organics in the water, i.e.

本发明公开了一种对海水化学需氧量进行测定的光度测定法,该方法首先将海水样品进行预处理,再以碱性高锰酸钾为反应体系,这样海水中的有机物在强碱性介质中与过量的高锰酸钾迅速反应,高锰酸钾被有机物定量还原后生成锰酸盐,以纯水或空白溶液作参比,在锰酸盐的最大吸收波长430nm处测其吸光度A,该吸光度A与海水样品中的有机物的含量具有正相关关系。

While the basicity of the N-atom is stronger, more active second generation catalyst is indispensable and the temperature needs to be reached 150℃, and mixture of pyrrolidine and pyrrole was gained.

研究结果表明微波辐射条件下氮原子的碱性强弱对于二烯丙基胺发生关环复分解反应具有很大的影响:当底物的碱性比较强时,必须使用活性更高的第二代Grubbs催化剂,且温度需升至150℃反应才能顺利发生,得到光学纯吡咯啉和吡咯的混合物。

Three new-type charge-transfer salts were synthesized based on the reaction of three kinds of basic dye (crystal violet, safranine T, methylene blue BB, respectively) and tungstophosphoric acid of Keggin structure.

报道了用Keggin结构的磷钨酸与碱性染料结晶紫、碱性藏红T和碱性湖兰BB反应形成的3种新型电荷转移盐。

The alloy catalyst was found to be unstable in the acidic solution because of the electrochemical and chemical dissolution of the catalyst.

发现在酸性溶液中,钯铁合金催化剂对氧还原反应的催化活性不稳定,原因是钯铁合金催化剂在酸性溶液中发生电化学/化学溶解;在碱性溶液中,覆盖在电极表面的钯铁合金催化剂的质量及电化学活性面积在电化学扫描过程中不发生明显变化,保持对氧还原反应的催化活性,证明钯铁合金催化剂在碱性介质中非常稳定。

Triphenylmethyl chloride can react selectively with the 30-hydroxil group of glycyrrhetol under the catalyzing effects of three ethyl amine and dimethyl amino-pyridine.This condition of the reaction has an important value for the selective protection of 30-hydroxil group of glycyrrhetol.

三苯氯甲烷在三乙胺和二甲氨基吡啶等碱性催化下与甘草萜醇的C30-位羟基进行选择性缩合反应,此反应产率较与C3-位羟基化反应的要高,此种反应条件在甘草萜醇C30-位羟基的选择性保护中具有重要的价值。

The protease activity in foregut was higher than that of midgut in an acidic condition at pH 5.0-5.8, while in an alkalescence condition at pH 7.0-8.6, the protease activity was higher in midgut than that in foregut. The lipase activity of foregut was high and stable in two pH ranges: 4.2-5.0 and 6.2-7.0, and that of midgut was high at pH 3.8, while the lipase lost enzyme activity at pH over 9.0. The amylase activity was high and stable at pH 6.6-7.4 in both foregut and midgut. The cellulase activity of foregut and midgut was high and stable at pH 6.2-7.4 and 5.4-7.0 respectively.

刺参前肠蛋白酶活力在酸性环境下较中肠高,且在反应pH为5.0-5.8之间酶活力相对稳定,而中肠蛋白酶活力在碱性环境下较前肠高,且在反应pH为7.0-8.6之间酶活力相对稳定;刺参前肠脂肪酶活力随着pH的升高出现两个相对稳定的峰值,分别为4.2-5.0和6.2-7.0区间,中肠脂肪酶活力在pH为3.8时达到最大值,而在pH超过9.0明显失活;刺参前肠和中肠淀粉酶活力在pH变化时表现出相似的变化趋势,在反应pH为6.6-7.4之间酶活力较高且相对稳定;刺参前肠和中肠中纤维素酶活力在pH变化时反应不一致,前肠淀粉酶在反应pH为6.2-7.4之间酶活力较高且相对稳定,中肠纤维素酶活力在反应pH为5.4-7.0之间酶活力较高且相对稳定。

RESULTS: Alkaline phosphatase activity: Alkaline phosphatase staining of cells was apparent; gray-black particles or massive precipitations were observed in cytoplasm after positive reaction; regions expressing alkaline phosphatase activity were brown-black.

结果:①碱性磷酸酶活性:经诱导后细胞碱性磷酸酶染色明显,胞质中刚性反应呈现灰黑色颗粒或块状沉淀,碱性磷酸酶活性部位呈棕黑色。

第2/20页 首页 < 1 2 3 4 5 6 7 8 9 ... > 尾页
推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。