1) NaOH/Al2O3
NaOH-Al2O3
1.
During experiment , NaOH/Al2O3 as catalyst in the reactions of benzaldenyden and acetone or acetaldehyde and acetone , after 3 hours,the yield was beyond 85%.
在实验中,用NaOH-Al2O3催化苯甲醛与丙酮、乙醛与丙酮的反应,3小时后,产物的收率达85%以上,操作十分简便。
2) Sodium hydroxide
NaOH
1.
In this study the effect of the substitution of magnesium hydroxide for sodium hydroxide on the peroxide bleaching of masson pine CTMP was investigated.
探讨了Mg(OH)2部分取代NaOH对马尾松CTMPH2O2漂白的影响。
2.
Corn stalk was first treated for 30 days at ambient temperature by sodium hydroxide (NaOH), NaOH amount added was 8% of dry matter of corn stalk.
提出通过NaOH化学处理以改善玉米秸秆的可生物消化性能、提高玉米秸秆厌氧消化产气量的方法。
3.
It was further studied at fixed mAS/mFA (02) to investigate the effects of different proportions of additives (sulfur and sodium hydroxide) on metal immobilization in the mixture of asph.
并对沥青与飞灰的质量比(mAS mFA,其中AS代表沥青,FA代表飞灰)为0 2时作了进一步的研究,在此基础上加入不同比例的添加剂S和NaOH。
3) NaOH method
NaOH法
1.
[Method] With the tender leaves of sorghum as materials,total DNA was extracted from sorghum by SDS method,CTAB method,urea method and NaOH method.
[方法]以高粱幼叶为材料,分别采用SDS法、CTAB法、尿素法和NaOH法提取高粱总DNA,并对不同方法提取DNA的纯度、浓度和产量进行检测。
4) Al_2O_3
Al2O3
1.
The Fe-matrix composites reinforced with Al_2O_3were fabricated by melting-casting.
采用熔铸法成功的制备成了Al2O3/Fe复合材料,利用扫描电子显微镜(SEM),来观察增强相Al2O3的微观组织。
2.
The phase transformation of γ-Al_2O_3 at high temperature was characterized by Raman techniques.
通过不同波长的Raman激发光对γ-Al2O3的高温相变过程进行了研究。
3.
Steric hindrance layer can be established when the surfaces of nano-Al_2O_3 were grafted with polyacetal,which(increased) the dispersibility of the nano-particles as well as the compatibility between the particles and the resin matrix.
在纳米Al2O3表面接枝聚缩醛可在粒子表面建立起空间位阻稳定层,不但提高了纳米粒子的分散稳定性,还可以增强纳米粒子与树脂基体的相容性。
5) aluminum oxide
Al2O3
1.
A method was developed for synthesis of DBP catalyzed with non-proton acid and the result showed that aluminum oxide can be used to synthesize dibutyl phthalate characterized with high reaction activity,good selectivity and high rate of conversion,but less environmental pollution.
实验结果表明,Al2O3催化酯化合成邻苯二甲酸二丁酯具有反应时间短、反应活性和选择性好、产率高、无环境污染等优点、是理想的合成DBP的催化剂。
2.
On the basis of wear resistance research on polyurethane matrix composites reinforced with aluminum oxide particles, component of slurry pump coated by the composites with optimum proportion was manufactured.
在Al2O3颗粒增强聚氨酯基复合材料耐磨性的研究基础上,采用具有最佳耐磨性的复合材料配方,进行了砂浆泵护板涂覆及产品实用性研究。
3.
In this paper, the preparation of TiO_2 photocatalyst coated on the aluminum oxide surface by sol-gel technique using tetrabutyl titanate as material was studied.
以钛酸四丁酯为原料,Al2O3为载体,用溶胶-凝胶法制备负载型TiO2,在UV-TiO2体系中对吡啶(PD)进行光催化降解,并研究了将TiO2负载在不同铝源所制备的Al2O3后光催化剂的差异,结果表明:负载型TiO2光催化剂加入量为10mg/40mL,吡啶的光催化降解反应符合一级动力学方程;吡啶中氮转化成氨氮。
6) Alumina
[英][ə'lu:mɪnə] [美][ə'lumɪnə]
Al2O3
1.
The mechanism of the reactions between alumina and modifier strontium in A356 alloy melt have been investigated, by means of XRD and SEM.
通过XRD、SEM等分析手段研究了A356合金熔体中Al2O3夹杂与变质剂Sr之间所发生的反应及其反应机制,结果发现Sr可以与Al2O3经过一系列反应生成Sr-Al-O化合物,由此造成了Sr的损耗,生成的Sr-Al-O化合物可溶于水。
2.
To overcome the high-temperature defects of Ag used as the substrate of superconducting tape and improve the mechanical properties and melting point of Ag,the alumina whose melting point is high was selected as a doping to prepare Al2O3/Ag composite through conventional powder metallurgy.
为了克服Ag作为超导基底时的高温使用缺陷,提高Ag的熔点及其力学性能,选择了高熔点的Al2O3作为掺杂物,通过传统粉末冶金方法制备了Al2O3/Ag基复合材料。
3.
In the present work,the thermal conductivity of alumina was improved by adding aluminum nitride with high thermal conductivity.
本文选用导热系数较高的AlN来改善Al2O3陶瓷的导热性能;并借助SEM和XRD对材料的微观结构和物相进行了分析。
补充资料：sodium hydrate NaOH
分子式：
CAS号：
性质：又称苛性钠。俗名烧碱或火碱。纯品为无色透明晶体。密度2.13g/cm3。熔点318.4℃。沸点1390℃。工业品含有少量碳酸钠和氯化钠，成为白色不透明晶体。有块状、片状、粒状和棒状，统称固碱。成浓溶液的产品俗称液碱。易溶于水。吸湿性大（液碱除外），放在潮湿空气中会逐渐转变成溶液。易从空气中吸收二氧化碳而逐渐变成碳酸钠。必须贮存在密闭的铁桶或玻璃容器中。对人的皮肤、织物、纸张有强烈腐蚀性。对眼的伤害很大。生产方法有食盐溶液电解法和化学法。化学法又有石灰苛化法等。是最基本、最重要的化工原料之一。用途极广。用于制造纸浆、肥皂、染料、人造丝、制铝、石油精制、棉织品整理、煤焦油产物的提纯，以及食品加工、木材加工及机械工业等方面。
CAS号：
性质：又称苛性钠。俗名烧碱或火碱。纯品为无色透明晶体。密度2.13g/cm3。熔点318.4℃。沸点1390℃。工业品含有少量碳酸钠和氯化钠，成为白色不透明晶体。有块状、片状、粒状和棒状，统称固碱。成浓溶液的产品俗称液碱。易溶于水。吸湿性大（液碱除外），放在潮湿空气中会逐渐转变成溶液。易从空气中吸收二氧化碳而逐渐变成碳酸钠。必须贮存在密闭的铁桶或玻璃容器中。对人的皮肤、织物、纸张有强烈腐蚀性。对眼的伤害很大。生产方法有食盐溶液电解法和化学法。化学法又有石灰苛化法等。是最基本、最重要的化工原料之一。用途极广。用于制造纸浆、肥皂、染料、人造丝、制铝、石油精制、棉织品整理、煤焦油产物的提纯，以及食品加工、木材加工及机械工业等方面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条