- 更多网络例句与三羟的相关的网络例句 [注:此内容来源于网络,仅供参考]
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Under the above optimum conditions, other trimethylolpropane fatty acid esters, such as trimethylolpropane lauric acid ester, trimethylolpropane myristic acid ester, trimethylolpropane capric acid ester and trimethylolpropane octanoic acid ester were synthesized, and their esterification rates were 80.97%, 87.03%, 80.73% and 81.24%, respectively.
在上述的最优条件下,分别合成三羟甲基丙烷月桂酸酯、三羟甲基丙烷豆蔻酸酯、三羟甲基丙烷癸酸酯、三羟甲基丙烷辛酸酯,其酯化率分别为80.97%、87.03%、80.73%和81.24%。
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In this paper a new synthesis of Trimethylol propyl triacrylate was introduced.
本文介绍了三羟甲基丙烷三丙烯酸酯新的合成方法。
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A small molecule core (TMP-SK3)with three terminal carboxyl groups was synthesized successfully by the reaction of 1,1,1-trihydroxymethylpropane with the excessive sebacic acid diacetic anhydride.
以1,1,1-三羟甲基丙烷与过量癸二酸二乙酸酐反应,制得了端羧基的三官能度小分子核三癸二酸三羟甲基丙烷酯(TMP-SK3)。
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In this work, trially1 isocyanurate and trimethylolpropane trimethaerylate were used as a polyfunetional monomer of PP/PE blends, and the effects of radiation dosage, the kind and amount of polyfunetional monomer on the morphology and mechanical properties were studied.
本研究中采用三烯丙基异腈脲酸酯和三羟甲基丙烷三甲基丙烯酸酯为PP/PE共混体系的多官能团单体。研究了辐照剂量,多官能团单体种类和多官能团单体用量对共混物形态结构及力学性能的影响。
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Three part of research works had been carried out in the dissertation. The first part: a kind of multidentate amine modified silica gel was synthesized through the following steps:(1) introduce the amino groups onto the surface of silica-gel by the treatment of surface silanol groups withγ-aminopropyl trimethoxy silane;(2) michael addition of excess trihydroxymethyl propyl triacrylate to amino groups on the silica gel surface;(3) amidation of the unreacted double bonds of TMPTA on the surface of TMPTA modified silica gel with diethylenetriamine;(4) the multidentate amine modified silica gel was finally obtained by the reaction of amino groups on the surface of DETA modified silica gel with double bond of butyl acrylate.
本论文进行了三部分研究工作,第一部分:通过多步反应对硅胶进行改性合成了一种多齿胺改性硅胶配体,合成过程如下:1通过γ-氨丙基三甲氧基硅烷与硅胶表面的硅羟基反应,使硅胶表面带有氨基;2利用硅胶表面氨基与过量的三羟甲基丙烷三丙烯酸酯发生Michael加成反应;3利用二乙烯三胺与TMPTA改性硅胶表面未反应的双键发生反应使硅胶表面氨基化;4最后用丙烯酸正丁酯与DETA改性硅胶表面氨基充分反应成功合多齿胺改性硅胶配体。
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Linear and star-shaped hydroxy-terminated polys were synthesized by reacting L-lactide with co-initiators such as poly,hydroxyethyl methycrylate,trimethylolpropane,mannitol and sorbierite in the presence of stannous octoate as catalyst.
以辛酸亚锡为催化剂,分别以聚乙二醇、甲基丙烯酸羟乙酯、三羟甲基丙烷、季戊四醇、甘露醇和山梨醇等和L-丙交酯反应,得到末端为羟基的线形和星形聚L-丙交酯。
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A series of trimethylolhexane triheptyl esters were synthesized from trimethylolhexane with special kinds of supported phosphotungstic acid catalyst.
以自制三羟甲基己烷为原料,采用自制的负载磷钨酸催化剂催化合成一系列三羟甲基己烷脂肪酸酯。
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The comparative investigation of synthesizing the polyhydric alcohols, such as pentaerythritol, pentaglycerine, trimethylolpropane, neopentyl glycol and so on are conducted, these compounds are all based on the reaction of cross-aldol condensation.
对季戊四醇、三羟甲基乙烷、三羟甲基丙烷、新戊二醇等基于交叉羟醛缩合反应的多元醇类化合物的合成进行对比研究。
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A yield of 88% for TMH can be obtained by using the optimized synthetic conditions as follows: molar ratio of formaldehyde to octylaldehyde 4.5: 1.0, molar ratio of sodium hydroxide to octylaldehyde 1.4: 1.0, aldol condensation temperature 35℃ and time 240min Cannizzaro reaction temperature 55℃ and time 180min.
结果表明,优化的合成三羟甲基庚烷的反应条件是,n/n=4.5,n/n=1.4,羟醛缩合反应温度和时间分别为35℃和240min,康尼扎罗反应温度和时间分别为55℃和180min,摩尔产率可达88%。
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Polyurethane-acrylics hybrid latexes were prepared using isophorone diisocyanate, dimethylol propanoic acid and polypropylene oxides of different molecular weights as main materials for PU component, and butyl acrylate, methyl methacrylate and a crosslinker, trihydroxymethyl propanetriacrylate as main acrylic monomers. Hydroxyethyl acrylate was used as the coupling agent between PU and AC.
以异佛尔酮二异氰酸酯、二羟甲基丙酸和聚丙醚二醇等为聚氨酯原料,丙烯酸丁酯、甲基丙烯酸甲酯、三羟甲基丙烷三丙烯酸酯为丙烯酸酯类单体,丙烯酸羟乙酯为聚氨酯和聚丙烯酸酯间的偶联剂合成了丙烯酸酯改性水性聚氨酯乳液。
- 更多网络解释与三羟的相关的网络解释 [注:此内容来源于网络,仅供参考]
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carbonate apatite:碳酸磷灰石
对本病早期的研究显示,沉积的钙质主要成分为羟磷灰石,但Hamada J等采用X线衍射分析、拉曼光谱学和红外线吸收分光镜等检查证实其主要成分为由碳酸磷灰石(carbonate apatite)组成,而无羟磷灰石、磷酸八钙和磷酸三钙.
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dental fluorosis:氟牙症
三、氟牙症(dental fluorosis)是牙在发育期间长期接受过量的氟,使成釉细胞受到损害,造成牙釉质的发育不全. 当酸缓冲液成为羟磷灰石(HA)的饱和溶液后,氟可结合游离的HA而成为氟羟磷灰石(FHA)重新沉积在釉质,即再矿化,
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hygrine:古豆碱
3.束花石斛 含古豆碱(hygrine),顺式和反式的束花石斛碱(dendrochrysine)等生物碱. 4.马鞭石斛 茎含对羟-基-顺式桂皮酸(cis-p-hydroxycinnamic acid)的和对羟基反式桂皮酸(trans-p-hydroxycinnamic acid)的二十四醇酯、二十五醇酯、二十六醇酯、二十七醇酯、二十八醇酯、二十九醇酯、三十醇酯、三十一醇酯、三十二醇酯、三十
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isocyanate:异氰酸酯
经硫化后橡胶与金属之间会形成优越的粘附能力. 二苯基甲烷-4,4"-二异氰酸酯胶粘剂的粘合强度与三苯基甲烷-4,4",4"-三异氰酸酯胶粘剂相近,但其耐热性能较好. MDI胶粘剂贮存稳定性差、易于自聚变色. A、羟苯与异氰酸酯(isocyanate)的反应:
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Triplets:三联体
对从海参胶元蛋白的酶解物中获得的系列甘-X-Y三联体(triplets)肽段降解分析表明,由葡(萄)半(乳)双糖基化的羟赖氨酸皆定位于Y;另外,其胶元蛋白分子中糖肽连接区段富含脯氨酸、谷氨酸和丙氨酸等残基.
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rhinobyon:鼻塞(子)
trihydroxy [化]三羟(基)的 | rhinobyon 鼻塞(子) | jiningite 褐铀钍矿, 集宁石
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succinic anhydride:琥珀酸酐
本研究首次通过琥珀酸酐(Succinic Anhydride)与三羟甲基丙烷反应制备含羟基和羟基的酯类单体. 然后与其它单体反应在预聚体中引入羟基,合成了聚氨酯水乳液,并对其性能进行了研究. 1.实验部分 1.1试剂与仪器 丁酮,丙酮:分析纯,
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triethyl citrate:柠檬酸三乙酯
采用了合适的肠溶聚合物,例如邻苯二甲酸聚醋酸乙烯酯(PVAP),邻苯二甲酸醋酸纤维素(CAP),邻苯二甲酸羟丙甲纤维素(HPMCP),丙烯酸树脂类(Methacrylic Acid Copolymer)等,加入邻苯二甲酸二乙酯(DEP),柠檬酸三乙酯(Triethyl Citrate)等增塑剂,配合滑石
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trihydroxy:[化]三羟(基)的
levulinate 乙酰丙酸 | trihydroxy [化]三羟(基)的 | rhinobyon 鼻塞(子)
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mepacrine:米帕林
治疗皮肤病常用的抗疟药有氯喹(chloroquine),羟氯喹(hydroxychloroquine)和米帕林(mepacrine). 这三种药物主要作为抗炎剂,尤其对胶原血管病和光敏感性疾病有效. 羟氯喹单独服用可治疗狼疮,但对于单独服用羟氯喹无效的病人可将羟氯喹与米帕林联合应用.