乙醇浓度,ethanol concentration
1)ethanol concentration乙醇浓度
1.The influence factors such asethanol concentration,extraction duration,extraction temperature were also studied.探讨了主要工艺参数:乙醇浓度、浸提时间、浸提温度对整个浸提工艺的影响。
2.In fermentation process, theethanol concentration is one of the most important parameters, and directly influences the optimization and automatic control performance of fermentation system as well as the quality and yield of the output.乙醇浓度是发酵过程中重要的过程参数,直接影响着发酵过程的控制和优化,以及发酵产物的质量和产量。
3.In the Animalcule fermentation process,ethanol concentration is one of the most important variables, and directly influences the optimization and automatic control performance of fermentation system as well as the quality and yield of the output.乙醇浓度是微生物发酵中重要的过程参数,直接影响着发酵过程的优化调控以及发酵产物的质量和产量。
英文短句/例句
1.Improvement of Ethanol Concentration and Yield by Initial Aeration and Agitation Culture in Very High Gravity Fermentation初期通气和震荡培养提高高浓度乙醇发酵的乙醇浓度和产率(英文)
2.Effect of Ethanol Concentrations in Pre-treatment on Zein Film前处理乙醇浓度对玉米醇溶蛋白膜性质的影响
3.Effects of Pueraria lobata (Willd.) Ohwi on Alcohol Content in Blood and Activity of Alcohol Dehydrogenase (ADH) of Animals After Drinking Alcohol葛花对酒后血中乙醇浓度和肝中乙醇脱氢酶活性的影响
4.Objective The measurement of the ethanol concentration in the biological sample was discussed.目的探讨生物样品中乙醇浓度的测定方法。
5.RESULTS The concentration of ethanol give a notable effect on t he content of total flavonoids in propolis.结果乙醇浓度对蜂胶中总黄酮含量有显著影响。
6.Presents a kind of alcohol concentration measuring system which is online and intellegent.介绍了在线式乙醇浓度智能化测量系统。
7.THE STUDY OF LIQUID CORE LIGHT WAVE GUIDE INTELLEGENT MEASURING SYSTEM FOR ALCOHOL CONCENTRATION液芯光波导乙醇浓度智能测量系统的研究
8.The Intelligence Measurement and Control of Ethanol Concentration in the Process of Yeast Fermentation;酵母发酵乙醇浓度智能测控方法的研究
9.Study on the Relationships of the Concentration of Ethanol in the Blood,Vitreous Humor and Muscle of Rats大鼠血液、玻璃体液、肌肉乙醇浓度关系的研究
10.Design and Implementation of Intelligent and On-line Measuring Device for Ethanol Concentration in Animalcule Fermentation智能化微生物发酵乙醇浓度在线检测仪的研制
11.Results: The best formulae was that proportion of iodine to potassium iodide was 1:0.6 .alcoholic concentration 76%.结果:最优处方为碘与碘化钾比例1:0．6,乙醇浓度为76％。
12.Titrate the mixed solution with ethanol solution of acetic acid.用乙酸的乙醇溶液滴定溶液的碱浓度。
13.Determination of PVA Concentration in Waste Water by Spectrophotometry聚乙烯醇废水中浓度的分光光度分析
14.Ethanol is more effective at a concentration of 50-70 percent;乙醇的浓度为50%至70%时比较有效，
15.Studies of Low-dose Ethanol Suppress Hepatocellular Carcinoma Cell Proliferation;低浓度乙醇抑制肝癌细胞增殖的研究
16.Consecutive very-high-gravity batch ethanol fermentation with self-flocculation yeast自絮凝酵母高浓度重复批次乙醇发酵
17.Low Concentration Ethanol Dehydration to Ethylene Over Zn/Mn/Co/ZSM-5 CatalystZn/Mn/Co/ZSM-5催化低浓度乙醇脱水制乙烯
18.The Soft-sensing Measurement of Ethylene Oxide Concentration in Ethylene Glycol Production Process乙二醇生产过程中环氧乙烷浓度的软测量研究
相关短句/例句
alcohol concentration乙醇浓度
1.Objective To observe the effect of Zuijiuling Ⅱ on thealcohol concentration in blood,the(activity) of alcohol dehydrogenase(ADH)in the liver and the concentration of neurotransmitter in the brain of mouse model with acute alcoholism.目的探讨中药复方“醉酒灵Ⅱ号”对急性酒精中毒小鼠血中乙醇浓度、肝中乙醇脱氢酶(al-cohol dehydrogenase,ADH)活性和脑组织中单胺神经递质的影响。
2.Methods Selecting crush degree,alcohol concentration and extracting time as influential factors to make possitive cross test.方法选择粉碎度、乙醇浓度、提取时间为试验因素进行正交试验,同时对不同的提取时间及提取方法进行比较,选择最佳含量测定方法。
3.The Least Squares Support Vector Machines (LS- SVM) was applied to regress in order to get the value of thealcohol concentration.在酵母生产过程中,乙醇浓度是一个很重要的控制参数,但目前的检测手段多为离线人工测量,不能实现乙醇浓度的测控自动化,是束缚生产效率的重要原因。
3)low-grade ethanol低浓度乙醇
1.The process for the synthesis of ethyl tert -butyl ether (ETBE) using tert -butyl alcohol (TBA) andlow-grade ethanol (EtOH) by catalytic distillation was studied.研究了以叔丁醇及低浓度乙醇为原料 ,用催化精馏技术制乙基叔丁基醚 (ETBE)的工艺。
4)Ethanol-torlerance耐乙醇浓度
5)glycol concetration乙二醇浓度
6)high ethanol高浓度乙醇
1.Effect of biomass concentration onhigh ethanol fermentation was investigated for feed batch and batch operations,respectively,with the flocculating yeast strain SPSC01 that has been used in non-carder immobilization technology.以无载体固定化技术所采用的絮凝酵母SPSC01为研究对象,进行了流加补料发酵和间歇发酵两种不同的发酵工艺下的高浓度乙醇发酵,考察了生物量浓度对高浓度乙醇发酵的影响。
延伸阅读
1-氨基乙醇2-氨基乙醇CAS: 141-43-5 分子式: C2H7NO 分子量: 61.08 沸点: 170℃ 熔点: 10-12℃ 中文名称: 乙醇胺；2-氨基乙醇；2-羟基乙胺；一乙醇胺；单乙醇胺；氨基乙醇；1-氨基乙醇2-氨基乙醇；乙醛合氨乙醇胺 英文名称: 2-Aminoethanol；Ethanolamine；2-Hydroxyethylamine；2-amino-Ethanol；1-amino-2-hydroxyethane；2-amino-1-ethanol；2-aminoaethanol；2-aminoetanolo；2-hydroxyethanamine；aethanolamin 性质描述: 氨分子中的氢被羟乙基--CH2CH2OH取代而生成的一类化合物，可分为一乙醇胺；二乙醇胺和三乙醇胺。通常一乙醇胺简称乙醇胺。一；二；三乙醇胺在室温下均为无色透明的粘稠液体；有吸湿性和氨臭；能与水；乙醇和丙酮等混溶，微溶于乙醚和四氯化碳；能吸收二氧化碳和硫化氢；与无机酸和有机酸反应生成酯；均具碱性。乙醇胺的主要物理常数如下：熔点10.5℃，沸点170℃，58℃（0.67kPa），相对密度1.0180（20、4℃），动力粘度（20℃）24.14mPa·s，折射率1.4540，闪点93.3℃。25℃时，在苯中的溶解度为1.4%，在乙醇中的溶解度为2.1%，在四氯化碳中的溶解度为0.2%。有强的乳化作用和起泡作用。 生产方法: 乙醇胺常存在于磷脂中，并常与胆碱共存，因此也称为胆胺。在血清蛋白腐烂发酵液中也发现有乙醇胺。工业上乙醇胺可由氨与环氧乙烷反应制得。将环氧乙烷；氨水送入反应器中，在反应温度30-40℃，反应压力70.9-304kPa下，进行缩合反应生成一；二；三乙醇胺混合液，在90-120℃下经脱水浓缩后，送入三个减压精馏塔进行减压蒸馏，按不同沸点截取馏分，则可得纯度达99%的一乙醇胺；二乙醇胺和三乙醇胺成品。在反应过程中，如加大环氧乙烷比例，则二；三乙醇胺生成比例增大，可提高二；三乙醇胺的收率。 用途: 一乙醇胺主要用作合成树脂和橡胶的增塑剂；硫化剂；促进剂和发泡剂；以及农药；医药和染料的中间体。也是合成洗涤剂；化妆品的乳化剂等的原料。纺织工业作为印染增白剂；抗静电剂；防蛀剂；清净剂。也可用作二氧化碳吸收剂；油墨助剂；石油添加剂。一乙醇胺广泛用作从各种气体（如天然气）中提取酸性组分的净化液。由一乙醇胺盐酸盐环合；中和可制得六水合哌嗪。一乙醇胺盐酸盐经氯化亚砜氯代，再被硫代硫酸钠取代，可制得β-氨基乙基硫代硫酸盐。这是一种染料中间体，用于生产缩聚翠蓝13G。一乙醇胺与二硫化碳反应可制得在橡胶和制药工业中有应用的中间体硫基噻唑啉。
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