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- Crystal structure was obtained by XRD. Relative acid strength and acid amount were gotten by NH3-TPD. 用XRD测试了催化剂的晶体结构,用NH3-TPD测试了催化剂的相对酸强度和酸量分布。
- This paper ameliorated the pore distribution and improved the thermal stability and acid amount to adapt to the employment of support by Ti-pillared and acid modification. 本文通过钛柱撑及酸改性,增加中孔比率,改善孔径分布,提高热稳定性和酸性,使之更适合作为催化剂载体。
- A series of S_2O~(2-)_8/ZrO_2-SiO_2 catalysts with different composition,which have different acid types,acid amount and acid strength at surfaces,were characterized by IR,Py-IR,and XPS. 采用IR、Py-IR、XPS技术考察了不同制备条件下制备的S2O2-8/ZrO2-SiO2类固体超强酸催化剂的表面酸种类、酸量、酸强度.
- The acidities of HY, USHY and SSHY zeolites were modified by K 2SO 4 solution , the acid strength and acid amount of zeolites could be controled by adjusting the concentration and temperature of K 2SO 4 solution and the frequency of exchange. 用K2SO4 溶液对HY、USHY 和SSHY 沸石的酸性进行改性,通过调节K2SO4 溶液的浓度、温度和交换次数,可控制沸石的酸强度和酸量。
- After treated with citric acid,the acidity amount of CY decreased compared to HY,while the acidity amount of CY-CTS increased compared to HY-CTS,then the hydrodenitrogenation(HDN) performance of NiW/CY-CTS improved remarkablely. 对HY分子筛进行酸预处理后,HY分子筛的酸量下降,但CY-CTS复合载体的酸性增加,表现为催化剂的加氢脱氮性能显著提高。
- A new technology used to extract phytic acid from corn plantule cake is introduced.The percent recovery of phytic acid amounts to 97.1% and the content of raw protein reduces to 0.14%. 以玉米胚芽饼为原料采用离子交换法提取植酸的新工艺,植酸收率可达97.6%25以上,粗蛋白质量降至0.14%25。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。
- Controlling of Volatile Acid Amount in the Fermentation of Litchi Wine 荔枝酒发酵过程中挥发酸含量的控制
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。