氢
- 与 氢 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Furfuryl propionate was synthesized from furfuryl alcohol and propionyl chloride using hexahydropyridine as catalyst and anhydrous sodium bicarbonate as acid-caputor.
以α呋喃甲醇和丙酰氯为原料,以六氢吡啶为催化剂,无水碳酸氢钠为缚酸剂合成了α呋喃甲醇丙酸酯。
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Furfuryl alcohol ; hydrogenation ; skeleton nickel catalyst ; tetrahydrofurfuryl alcohol
糠醇;加氢;骨架镍催化剂;四氢糠醇
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Tetrahydrofurfuryl alcohol was prepared from furfuryl alcohol with hydrogenation reduction by using the catalyst at 393-413 K,0.25-0.4 h-1 and 2.0-4.0 MPa.
在393~413 K、0.25~0.4 h\+\{-1\}、2.0~4.0 MPa条件下,用上述催化剂加氢还原糠醇制备四氢糠醇。
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The hydrogenation and methyl esterification of furoic acid over Pd/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor by one-step method.
采用连续流动固定床微反应器,以糠酸、甲醇、氢气为原料,Pd/γ-Al2O3为催化剂,使糠酸一步加氢甲醋化生成α-四氢糠酸甲酯。
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The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.
以糠酸、甲醇、氢气为原料,采用连续流动固定床微反应器,Pd-Ni/γ-Al2O3为催化剂,使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。
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The thermal behaviors of CL-20 mixed with three binders (NC+NC, PET and PBT at 160-200℃ were investigated by NBK LAWA gasometric measuring system. The thermal behaviors were described from the changes of evolved gases and decomposition kinetics. Results show that the apparent activation energies of CL-20 and its mixed systems with, PET and PBT are 176.68, 176.31, 136.12 and 127.0 kJmol^(-1), respectively.
用NBK型&拉瓦&量气测试系统研究了较高温度(160~200℃)下六硝基六氮杂异伍兹烷(CL-20)与硝化棉和硝化甘油双基吸收药、环氧乙烷与四氢呋喃共聚醚、3,3-双叠氮甲基氧杂环丁烷与四氢呋喃共聚物三种黏合剂的全分解过程,从放气规律和动力学的变化阐述了CL-20及其与三种黏合剂混合体系的热行为。
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Effect of Common Goldenrod Herb on rats Gastrelcosis Caused by Indocin;2. Animal Model of Helicobacter pylori Infection in BALB/c Mice with Gastrelcosis ;3. AIM To study the synthesis of zinc chlorin e 4 (1), its experimental antigastrelcosis activity as well as the protection against acute liver injuries.
蚕沙叶绿素粗品经酸碱降解反应制得二氢卟吩e6(3),3经吡啶回流降解制得二氢卟吩e4 (2 ),2与醋酸锌络合制得 1;并测定 1对消炎痛诱发的大鼠胃溃疡的保护作用及对硫代乙酰胺、四氯化碳所致小鼠急性肝损伤的防治作用。
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After revamping, the unit has a processing ability to process diesel and coker gatch alternatively.
武汉分公司采用热高分流程对柴油加氢装置进行了技术改造,改造后加氢装置具有切换处理柴油和蜡油的能力,改善了焦化蜡油的性质,为催化裂化装置提供了优质的原料。
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Heptanone was synthesized from n - butyl aldehyde and propanone via cross al-dol condensation, dehydration, catalyzed hydrogenation.
用氧化镁或氧化钙负载氢氧化钠固体碱作缩合催化剂,钯/炭作为加氢催化剂,由丁醛和丙酮经交叉酮醛缩合、脱水、催化加氢制得2-庚酮。
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Hydroisomerization of n hexadecane on zeolite catalysts was studied and the reaction mechanism was discussed, which may provide new clues to developing hydroisomerization catalysts with high selectivity.
对分子筛催化剂上正十六烷的临氢异构化反应进行了研究,考察了不同分子筛催化剂的活性和选择性,并对临氢异构化反应的产物分布进行了分析。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。