氢气压力
- 网络hydrogen pressure
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讨论了电解质浓度和氢气压力对低载量贵金属(Pt、Pd)催化氢电极过程的影响。
The effect of electrolyte concentration and hydrogen pressure on hydrogen electrode process catalyzed by noble metal ( Pt , Pd ) have been studied .
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研究了SBS质量分数、环烷酸镍质量分数、nAl/nNi、反应氢气压力、反应温度等工艺条件对SBS加氢度的影响。
The hydrogenation technological factors including the ρ _ SBS , w _ Ni , n _ Al / n _ Ni , hydrogen pressure and reaction temperature were researched to find the reaction condition of SBS hydrogenation .
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对材料的吸氢动力学特性研究表明:该复合材料具有较高的活性,室温5.0MPa氢气压力下15min内的吸氢量为2.37%;
Hydrogen absorption characters of the composite were studied .
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本文具体考察了温度、氢气压力、时间、膦钌比、催化剂浓度等对SBS加氢度的影响,确定了最优反应条件。
In the paper , the effects of temperature , pressure of hydrogen , reaction time , molar ratio of P / Ru , concentration of catalyst on the hydrogenation degree of SBS were investigated and discussed in detail .
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本文制备了高效加氢NP催化剂,并讨论了芥酸采用该催化剂加氢制备山嵛酸时,催化剂浓度、氢气压力、反应温度、搅拌速度等因素对反应的影响。
A higher activity NP catalyst for hydrogenation was prepared , on which behenic acid was produced by erucic acid hydrogenating . The effects such as the concentration of catalyst NP , hydrogen pressure , reaction temperature and stirring velocity on the process of hydrogenation were discussed in the paper .
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以RaneyNi为催化剂的最佳反应条件为:烟酸乙酯15mL(0.11mol)、溶剂150mL、Raney镍3g、反应温度60℃、氢气压力2Mpa、反应时间3h。
Using Raney Ni as catalyst , the optimum condition was the following : ethyl nicotinate 15 mL ( 0.11 mol ), solvent 150 mL , Raney Ni 3 g , reaction temperature 60 ℃, hydrogen pressure 2 Mpa , reaction time 3 h.
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实验测定了反应温度、氢气压力、反应物浓度等因素对反应速率的影响,反应温度研究的范围为393~453K,氢气压力为1.1~3.8MPa。
The effects of reaction temperature , hydrogen pressure and reactant concentration on the reaction rate were obtained experimentally between 393 K and 453 K and over a hydrogen pressure range from 1.1 MPa to 3.8 MPa .
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以二氧化硅负载壳聚糖-钯络合物(SiO2-CS-Pd)为催化剂,在常温且氢气压力恒定为1.0×105Pa下,以乙醇为溶剂催化苯乙酮加氢生成1-苯基乙醇,用气相色谱仪跟踪反应进程。
Chitosan-palladium complex ( SiO2-CS-Pd ) is used as catalyst to catalyze the hydrogenation of acetophenone at normal temperature and 1.0 × 105 Pa H2.GC is used to test the reaction course .
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该复合储氢材料具有较高的活性和储氢量,在3.0MPa氢气压力和473K~553K之间的条件下,可以在1min之内完成饱和吸氢量的80%以上;
The composite possesses high reactivity and hydrogen storage capacity . Under the condition of 3.0 MPa hydrogen pressure and range of 473 K ~ 553 K , it can absorb more than 80 % of its full capacity at in less than 1 minute .
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随着氢气压力的增大,溴指数和闪点也逐渐变小。
As the pressure increases , bromine index and flash point decrease .
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氢气压力与电位的关系符合能斯特方程;
The relation between hydrogen pressure and electrode potential conforms to Nernst equation .
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变频器在氯气氢气压力自控中的应用
The application of frequency converter to the automatic control of the pressure of chlorine and hydrogen
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讨论了温度、氢气压力、催化剂活性组分含量对苯部分加氢制备环己烯反应的影响。
The influence of temperature , hydrogen pressure and contents of active component in catalysts are discussed .
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讨论了反应温度、氢气压力、Pd/C催化剂用量对反应的影响,以及高氯酸作为助催化剂在此反应中起的重要作用。
The influence of the reaction temperature , hydrogen gas pressure and the amount of catalyst is investigated .
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考察了氢气压力、反应时间、离子液体种类、催化剂种类对加氢反应的影响。
The effect of hydrogen pressure , reaction time , ionic liquid and catalyst on the hydrogenation were investigated .
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通过理论分析或实际测试验证,在氢气压力容器的罐体外部可以进行动火打磨工作。
Through exoterica analyse or test validate in practice , worker can use fire to polish outside hydrogen pressure vessel .
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考察了溶剂以及反应温度、氢气压力和反应时间对γ-丁内酯收率的影响。
The effect of solvents and reaction conditions ( reaction temperature , hydrogen pressure and reaction time ) was also studied .
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结果表明,温度对氢化反应的异构化影响较大,氢气压力和催化剂浓度对异构化的影响相对较小。
The research showed that temperature affected the isomerism most , then the pressure of hydrogen and the concentrations of catalyst .
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三阶斯托克斯光最大转换效率的氢气压力低于相应的二阶斯托克斯光最大转换效率的氢气压力。
The optimum hydrogen gas pressure for maximum conversion efficiency for third stokes emission is lower than that for second Stokes emission .
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反应温度对加氢速度的影响较小,而氢气压力和催化剂用量的影响显著。
The reaction temperature has less effect on the hydrogenation speed while hydrogen gas pressure and the amount of catalyst have obvious effect .
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指出影响松香氢化反应的主要因素是催化剂种类及用量、反应温度和氢气压力。
It is pointed out that the main influencing factors on hydrogenation of rosin are catalyst variety and dosage , reaction temperature and hydrogen pressure .
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在发泡过程中,氢气压力作为膨胀动力,在开始阶段,压力随着时间的增加而增大,气泡长大;
In foaming course , with time increase at the initial stage , the pressure of hydrogen as the expanding drive increases and the bubbles grow .
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主要结论如下:1、无溶剂情况下,考察了温度、氢气压力、反应时间对加氢反应的影响。
Under the condition of without solvent , the effects of the reaction conditions , including stirring , temperature , reaction time , H2 pressure were studied .
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考察了温度、二氧化碳压力、氢气压力对加氢反应的影响。结果表明,温度对加氢反应影响显著,随着温度的升高加氢反应速率增大。
By adding different pressures of CO2 to the reaction system , the effects of temperature , CO2 pressure , H2 pressure on the hydrogenation reaction were investigated .
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详细探讨了9908型催化剂在不同氢化温度、氢气压力以及催化剂浓度下对氢化油固体脂肪含量以及反式脂肪酸的影响。
The effects of various hydrogenated temperatures , pressures and concentrations of 9908 catalyst on the solid fat content and trans fatty acids contents of hydrogenated oils were studied .
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设计了均匀实验及单因素实验,系统地考察了反应时间,反应温度,氢气压力,催化剂用量和搅拌速率对己二腈加氢工艺的影响。
Uniform experiments and single-factor experiments were designed to research the effect of reaction time , reaction temperature , hydrogen pressure , catalyst amount and stirring rate on adiponitrile hydrogenation reaction .
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氢气压力高于40kPa时,反硝化反应不受其影响,低于25kPa时硝酸盐和总氮的去除速率均显著降低。
The removal rates of nitrate and TN were not affected with the hydrogen pressure higher than 40 kPa , while decreased remarkably when the hydrogen pressure was lower than 25 kPa .
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以Ru/C为催化剂,研究了对苯二酚加氢的反应条件如反应温度,氢气压力,反应溶剂,反应时间等对反应转化率和产物选择性的影响。
The influences of reaction conditions such as temperature , hydrogen pressure , solvent and reaction time on the conversion of hydroquinone and the selectivity of 1,4-cyclohexanediol are studied when Ru / C is selected as the catalyst .
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以钯碳为催化剂,通过单因素试验,得到影响植物甾醇选择性氢化的主要因素也是反应温度和氢气压力,且在常温常压条件下钯碳才具有选择性。
Using Palladium Carbon as the catalyst , through single factor experiments , the mainly factors affecting the selective hydrogenation reaction of phytosterols are also reaction temperature and pressure , Palladium Carbon was selective at ambient temperature and pressure .
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讨论了该动力系统运行时的空气与氢气压力对燃料电池堆输出功率的影响,并综合讨论了对整体系统氢燃料效率的影响。
The influence of operation pressure of 40 kW PEM fuel cell power system on hydrogen fuel efficiency of whole power system was discussed , the influence of this power system operation pressure on PEM stack power output was also discussed .