- 更多网络例句与酯化了的相关的网络例句 [注：此内容来源于网络，仅供参考]
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The catalytic effect of different modified molecular si eves were studied for synthesis amyl acetate, the results indicate that SO 2- 4 /FeZSM have go od catalysis activity to esterification .The effect of the ratio of reactants, the amoun t of the catalyst and the reaction time were also investigated.
考察不同改性分子筛催化合成乙酸戊酯的催化活性，结果表明：改性SO2 - 4/FeZSM对合成酯的催化作用较好，并讨论了以该催化剂催化酯化时原料配比、催化剂用量、反应时间等因素与酯化反应的关系。
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Amyl cinnamate was synthesized from cinnamic acid and amyl alchol using tungstosilicic acid as catalyst.
以钨硅杂多酸为催化剂，通过桂皮酸和正戊醇酯化反应合成桂皮酸正戊酯，研究了各有关因素对桂皮酸酯化率的影响。
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In this paper, the direct esterification of carboxylic acid and alcohol by using dealuminated USY as catalyst was studied.
研究脱铝USY 催化羧酸与醇的直接酯化反应，考察了催化剂硅铝比对酯化反应的影响及不同类型酸酶酯化的一般规律。
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Using tapioca starch as raw material to prepare oxidized starch is better if we need the oxidized starch with low viscosity,can be used with high concentration starch slurry, and good transparency, good whiteness, low retrogradation and syneresis. Then, the research of using oxidization technology to improve the properties of tapioca crossed-linked and esterified starch was also researched: under the conditions of
然后，研究了应用氧化技术来改善木薯交联酯化淀粉的性能，在次氯酸钠用量为0.2%， pH8.5恒定反应，室温反应，反应过程不控温的反应条件下对木薯交联酯化淀粉进行氧化，可以在保持其交联酯化淀粉的应用性能不改变的前提下，大幅度提高产品的透明度，改善了产品应用性能。
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As compared with traditional esterification, the cost of dehydrogenation was lower than that in process of esterification, and the actual yield reached 82% over 76.9% in esterification.
并将脱氢法与传统的酯化法进行了比较，脱氢法的成本要低于酯化法，且其实际收率达到了82%，超过酯化法的76.9%。
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The n-butyl lactate was synthesied by the esterification of lactic acid and n-butyl alcohol in presence of ammonium ferric sulfate dodecahydrate NH4Fe(SO4)212H2O,and the factor influencing on the yield of reaction were discussed.
摘 要：在十二水合硫酸铁铵催化下，由乳酸和正丁醇发生酯化反应合成了乳酸正丁酯。实验考察了该催化剂催化酯化合成乳酸正丁酯的醇酸比、催化剂用量、反应时间、反应温度诸因素对酯化率的影响。
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Isoamyl isovalerate was synthesized through esterification reaction by using isovaleric acid and isoamyl alcohol as raw materials and nano-H4SiW12O40/SiO2 as catalyst, the influencing factors in the reaction were studied, and the results showed that the esterification rate could reach 98.6 % under the conditions of the ratio of alcohol-acid 1.4∶1, the use level of catalyst 5 %, and the reaction time 1.5 h.
以纳米复合钨硅杂多酸为催化剂，异戊酸和异戊醇为原料，通过酯化反应合成苹果油，对酯化反应的影响因素进行了研究，结果表明，在醇酸物质的量比为1.4∶1，催化剂用量5%，反应时间1.5h的条件下，酯化率可达98.6%。
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The results show that the optimal parameters of esterification are as follows: 4% of SO42-/ZrO2, molar ratio of methanol to litsea cubeba kernel oil 101, 68 ℃ of reaction temperature and 4 h of reaction time, the acid value decreases to 2.52 mg/g. Compared with the traditional acidic-catalyzed method, this method has the advantages of no acid proof equipment, easy to recycle catalyst and no acidic waste water emission. The optimal parameters of transesterification are as follows: 25 ℃ of reaction temperature, 0.5% of hexadecyl-trimethyl-ammonium bromide, 1% of NaOH, molar ratio of methanol to the oil 61 and 15 min of reaction time. The ester exchanging rate is 97.6%. This method adopts phase transfer catalyst and produces industry prospect, which has many advantages such as energy-saving and time-saving under room temperature.
研究结果表明，固体酸SO42-/ZrO2催化酯化反应的最佳条件为：油重4%的SO42-/ZrO2，醇油摩尔比为101，温度为68 ℃，反应时间为4 h，原油酸值降到2.52 mg/g；该法相对浓硫酸催化酯化法具有不需耐酸设备、催化剂易回收、无废水排放等优点；相转移催化酯交换反应的最佳条件为：温度为 25 ℃，0.5%的十六烷基三甲基溴化铵，油重1%的NaOH，醇油摩尔比为61，反应15 min，原油酯交换率达到97.6%；采用相转移催化技术，反应在常温下进行，大大减少了能耗，缩短了反应时间，具有的产业化前景。
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The esterifying conditions of starch phosphate monoester of potato are investigated and analyzed in order to discuss the effects of esterification on granule diameter and gelatinization temperature of potato starch.
通过对磷酸单酯淀粉酯化条件的研究和分析，探讨了不同酯化条件对马铃薯淀粉磷酸单酯粒径和糊化温度的影响。
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By esterification, saponification, doubledecomposition and formulation, liquid rare earth of monoisooctyl phthalate complex heat stabilizer was prepared with phthalic anhydride, isooctyl alcohol, sodium hydrate, rare earth chloride, mixed solvent and other reagents. The optimum conditions are: the temperature of esterfication is 130～140℃,and the reaction time is 1h. The temperature and time of saponification is 60℃ and 10min respectively. The temperature of double decomposition is 60～70℃,and the reaction ti...
摘 要：以邻苯二甲酸酐、异辛醇、氢氧化钠、氯化稀土、混合溶剂、助剂为原料，通过酯化反应、皂化反应、复分解反应以及复配制备了以邻苯二甲酸单异辛酯稀土为主要成分的液态稀土复合热稳定剂，其工艺条件为：酯化反应的温度控制在 130～ 14 0℃，反应时间为 1h ；皂化反应的温度为 6 0℃，反应时间为 5min ；复分解反应的温度在 6 0～ 70℃，反应时间为 1h ；水洗温度控制在 6 0～ 6 5℃；混合溶剂的用量为 5 0 %，稀土含量为 6 0 3%；在复配过程中，采用亚磷酸酯作为辅助热稳定剂，其用量为 5 %～ 7%，PVC中加入 2 %的这种稀土复合热稳定剂，在185℃下，其热稳定时间为 4 5min。
- 更多网络解释与酯化了的相关的网络解释 [注：此内容来源于网络，仅供参考]
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acetic anhydride：无水醋酸
以醋酸(acetic acid)和无水醋酸(acetic anhydride)和赛璐珞进行酯化制成. 因使用的醋酸比硝酸燃点高许多这增力了制造工厂的安全性,,除此之外其弹性和抗撞击力也比CN好很多. 丙酸化赛璐珞(CP)及乙醯乙酸化赛璐珞(CAB)
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acid.acidification; acidified;acidify：酸化;酸化了的;酸化
A.Ch.S. American Chemical Society 美国化学学会 | acid. acidification; acidified;acidify 酸化;酸化了的;酸化 | A.D.P. amyl decyl phthalate 酞酸戊基癸酯[增塑剂]
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beech wood：山毛榉木
且它们燃烧后产物与山毛榉木(Beech Wood)几乎相似. 3.日本富士通公司介绍了该公司开发的无卤化阻燃介电材料,可改善PCB基板的韧性. 其材料中添加了1%(重量比)的磷酸酯及15%的氢氧化铝两类不含卤素的阻燃剂. 它们可兼具备耐燃、介电的特性,
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digitonin：洋地黄皂甙
Otsuka用洋地黄皂甙(Digitonin)为表面活性剂,但因其不解离,故再加入一定量的SDS,使混合成胶束,因洋地黄皂甙是单一光学异构体,用以拆分了6个由异硫氰酸苯酯(PTC)衍生化的苯异硫酰脲(PTH)的D,L-氨基酸.
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diol：二(元)醇
以二聚酸聚酯二元醇(Diol)、氢化蓖麻油(HCO)和异佛尔酮二异氰酸酯(IPDI)等为主要原料合成聚氨酯丙烯酸酯(PUA),制备了紫外光固化压敏胶PSA,并用FTIR表征了Diol、PUA和PSA固化前后的结构.
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op：类
应用理论线性溶剂化能关系(TLSER)模型研究了35种有机磷酸酯类(OP)化合物的结构及其对家蝇急性毒性之间的关系,得到了可以指示毒性作用机理的定量结构-活性关系.在OP化合物与生物体的作用过程中,分子的极性是影响活性的最重要因素,
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PEG：聚乙二醇
本发明公开了制备携带羧基官能团水溶性非肽类聚合物,特别是羧酸官能化的聚(乙二醇)(PEG)聚合物的方法,以及这些方法的产物. 通常,使酯试剂R(C=O)OR′(其中R′为叔基并且R包括官能团X)与水溶性非肽类聚合物POLY-Y(其中Y与X反应形成共价键的官能团)反应形成聚合物的叔酯,
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SAN：苯乙烯一丙烯腈共聚物
[文 摘]通过示差扫描量热(DSC)、广角X-射线衍射(WAXD)和小角X-射线散射(SAXS)在不同尺度范围研究了聚己内酯(PCL),苯乙烯一丙烯腈共聚物(SAN)共混体系中PCL的结晶行为.由于该体系中SAN的玻璃化温度高于PCL的熔点,
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Sucrose Stearate：蔗糖硬脂酸酯
阵容相当豪华. 普通乳液中都不可避免地含有乳化剂和稠化剂的成分,而这些化学品多多少少被判定为可能有害. 而这款小蜜蜂产品最值得一提的是她使用了天然的黄原胶(xanthan gum)作为稠化剂,蔗糖硬脂酸酯(sucrose stearate)作为乳化剂.
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butyric anhydride：丁酐
以正丁酐(Butyric anhydride)、壳聚糖(Chitosan)、甲基丙烯酰氧基丙基三甲氧基硅烷(MPTMS)、正硅酸乙酯(TEOS)为原料,采用迈克尔加成反应合成了丁酰壳聚糖-MPTMS,配合酸催化sol-gel过程,制备了透明的壳聚糖/SiO2杂化材料,FTIR表征了杂化材料的结构.