查询词典 alkaline reaction
- 与 alkaline reaction 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 effect to rate of production of the reaction active of different alkaline earth, the reaction efficiency of different low-carbon alcohols and reaction time were investigated.
考察了不同碱土金属、不同低碳醇及反应时间对醇盐产率的影响。
-
This complex reaction was phenolic electronic substitution reaction, so reaction rate was related with the positive electricity of pro-electronic reagent, as well as the form of aromatic hydrocarbons. Rates of chlorination of phenol and 2-monochlorophenol were faster in alkaline water than that in weak acid water, so 2,4-dichlorophenol and 2,4,6-trichlorophenol formation concentrations increased with the reaction time.
该复合反应属于酚类电子取代反应,反应速率与亲电子试剂的阳电性以及芳香烃的形式有关,碱性水环境中氯取代苯酚和2-一氯酚的速率要快于在弱酸性水环境;随着pH的升高,2,4-DCP和2,4,6-TCP的生成浓度也不断增加。
-
The chemical analysis result of modified lignin by alkaline-oxygen treatment is as following:The chemical analysis result of modified lignin by alkaline-oxygen treatment showed that the carboxyl group of modified lignin increased, since muconic acid type structure were generated from phenolic structure by ring-open reaction during alkaline-oxygen treatment.
氧碱处理改性木素的化学分析结果见下表;┌────┬────┬─────┬────────────────┬────┐│改性本素│OCH_3│总糖│C_9单元式│COOH │├────┼────┼─────┼────────────────┼────┤│O_4 │8.49 │0.07 │C_9H_(10.45)O_(3.7)(OCH_3)_(053)│10.82 │└────┴────┴─────┴────────────────┴────┘氧碱处理改性木素的化学分析结果表明,改性木素的羧基含量明显增加,在氧碱处理的过程中,由于芳环的开裂,(来源:ABCe6论6d文网www.abclunwen.com)形成了己二烯二酸结构,因此改性木素具有较高的反应活性,易与Al~(3+)形成络合。
-
The effects of the amounts of water and alkaline catalyst as well as reaction temperature, reaction time on the substitution and reaction efficiency were studied.
考察了体系的含水量、碱用量、反应温度、反应时间对取代度和反应效率的影响。
-
The factors which mostly affect the quality and output of the product including molar proportion of reagents, reaction temperature, alkaline concentration and reaction time are analyzed. After orthogonal experiment, it is concluded that the optimized reaction condition is that acetone and furfural are charged with equal molar quantities at 40 with sodium hydroxide (0.10 mol/L) and the operation time 5 h.
通过对影响亚糠基丙酮质量和收率的主要因素原料配比、反应温度、碱浓度、反应时间等单因素实验,探索出合成亚糠基丙酮的优化反应条件为:原料配比n:n=1.0:1.0、反应温度40℃、氢氧化钠溶液浓度为0.01 mol/L、反应时间5h。
-
There are three different nucleophilic reagent respectively reaction with m-dinitrobenzene ramification at distint alkaline term:With the nitrobenzene 、 m-nirtobenzenesulfone sodium salt 、 2.4-dinitro chlorobenzene 、 m-dinitrobenzene for bottom thing, benzyl cyanide、 benzyl chloride、 benzyl chloropyridine、is a nucleophilic reagent reaction for under the different term proceeds a series reaction. At the same time ,discuss about the impact factor to nucleophilicity such as the number of attract electron group、 ability of attract electron and the nucleophilic substitution reaction part.
设计了三类不同的亲核试剂分别与活化芳环在不同的碱性条件下发生反应:以苄基氰、苄基氯化吡啶为亲核试剂,以硝基苯、间二硝基苯、间硝基苯磺酸钠、2,4-二硝基苄基氯为底物进行亲核取代反应;并且对亲核试剂的体积效应、溶剂效应对亲核性影响,底物上吸电子基团的数目、吸电子能力对亲电性的影响,以及亲核取代反应的发生部位受哪些因素影响进行探讨。
-
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。
-
The effects of reaction conditions on the bleaching of epoxidized soybean oil with hydrogen peroxide in alkaline medium were studied in terms of the dosage of hydrogen peroxide and sodium hydroxide, reaction temperature and reaction time.
研究在碱性介质下过氧化氢对环氧大豆油的脱色工艺,考察了过氧化氢和氢氧化钠用量、反应温度、反应时间等因素对脱色工艺的影响。
-
A flow-injection chemiluminescence method for the determination of melatonin based on the CL reaction of melatonin with hydrogen peroxide and sodium hypochlorite in a basic alkaline solution was developed. The possible CL mechanism has been discussed, and a proposal for the reaction pathway was given that singlet oxygen was clarified to be produced in this reaction system and was responsible for the CL emission.
研究了褪黑素在碱性介质中与过氧化氢和次氯酸钠反应产生化学发光的行为;初步探讨了其化学发光反应的机理;提出了可能的化学发光反应历程;建立起流动注射化学发光测定褪黑素的新方法。
- 推荐网络例句
-
But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
-
Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
-
Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。