trihydric [,trai'haidrik]
- trihydric的基本解释
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adj.
[化]三羟(基)的
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The preparation method is characterized in that:(1) at minus 10 DEG C to 10 DEG C, a chloroauric acid solution with a certain concentration is added into a nano-Pt/C catalyst by ultrasonic or stirring mixture and the atomic ratio of Pt to Au is controlled between 18:1 and 5:1;(2) a small amount of monohydric alcohol or dihydric alcohol or trihydric alcohol of C1-C3 is added and is stirred at minus 10 DEG C to 10 DEG C for 10 min to 5h, so as to prepare the carbon-loading Pt-Au bimetallic nano electro-catalyst;(3) if necessary, the catalyst obtained by the step (2) is treated for 0.5 to 4h at high temperature ranging from 100 DEG C to 700 DEG C in the inert or reducing atmosphere, so as to adjust and control the grain size of the Pt-Au bimetallic nano electro-catalyst.
本发明涉及了一种高稳定性碳载Pt-Au双金属纳米电催化剂的制备方法,其特征在于:(1)在-10~10℃中,将一定浓度氯金酸溶液加入到纳米Pt/C催化剂中经超声或搅拌混合,控制Pt∶Au的原子比为18∶1-5∶1;(2)添加少量C 1 -C 3 的一元、二元或三元醇类,在-10~10℃下搅拌10min-5h,制备了碳载铂金双金属纳米电催化剂;(3)视需要,可将步骤(2)得到的催化剂在惰性气氛或还原气氛中经100~700℃高温处理0.5-4h,可调控Pt-Au/C双金属纳米催化剂的粒径。
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The viscosity decrement by trihydric alcohol is more obvious than by dihydric alcohol in the soluble system.
2溶化系统中三元醇比二元醇降黏明显。
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This study proposes to coat these CIGS thin film bases under the non-vacuum. In this process, synthesis nano-sized alloy powder is turned into trihydric compound paste of CIS by using Sol-Gel in the first step. An array of CIGS thin film absorbing layer was produced on Soda Lime glass through screen-printing.
中文摘要本文提出以非真空制程的涂布方法制备CIGS薄膜吸收层,将具备奈米等级的多元合金粉末利用溶胶-凝胶制备三元化合物的CIS前驱层浆料,以网版印刷式於钠玻璃基板上制作CIGS薄膜吸收层。
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The invention relates to a pipeline polyurea outer anticorrosive coating and the making method thereof, making heated prepolymerization reaction on dibenzo-methane diisocyanate, carbodiimide diisocyanate, polyether binary alcohol and polyether trihydric alcohol to prepare prepolymer solution A, and making end amino polyethylene oxide ether, dimethyl sulfur-based toluene diamine, diethyl diamine, iso-propyl titanate solution, polyacrylate, carbon black, titanium dioxide and lightweight calcium carbonate into solution B, and as using, respectively heating the solutions A and B to 65 deg.C and then mixing them, then quickly spraying and curing to form a coat.
本发明涉及一种管道用聚脲外防腐涂料及制造方法,由二苯基甲烷二异氰酸酯、碳化二亚胺化二异氰酸酯、聚醚二元醇和聚醚三元醇通过加热预聚反应制成预聚物的A液、由端氨基聚氧化乙烯醚、二甲硫基甲苯二胺、二乙基甲苯二胺、钛酸异丙酯溶液、聚丙烯酸酯溶液、碳黑、钛白粉和轻质碳酸钙配制而成的B液组成,使用时将A液和B液分别加热至65℃后混合,然后快速喷涂固化形成涂层。
- 更多网络解释与trihydric相关的网络解释 [注:此内容来源于网络,仅供参考]
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trihydric alcohol:三元醇
trihydrate 三水合物 | trihydric alcohol 三元醇 | trilaurin 三月桂精
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trihydric phenol:三元酚
trihydric alcohol 三元醇 | trihydric phenol 三元酚 | triketones 三酮类
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trihydric salt:三酸式盐
trihydric alcohols 三元醇 | trihydric salt 三酸式盐 | trihydrocyanic acid 三氢氰酸
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trihydric alcohols:三元醇
trihexylphosphine oxide 三己基氧膦 | trihydric alcohols 三元醇 | trihydric salt 三酸式盐
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triatomic phenol; trihydric phenol:三元酚
"三原子分子","triatomic molecule" | "三元酚","triatomic phenol; trihydric phenol" | "三氮烷","triazane "
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