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- The results indicated that the composite oxide composition influences its acid characteristics that TS?1 has higher Br?nsted acid sites and TS?4 has higher Lewis acid sites. 实验结果表明;TS系列载体随组成不同;其酸性特征也不一样;TS 1具有较多的B酸位;而TS 4则具有较强的L酸.
- The acidity of Al1-O3H-Si4 and Al4-O3H-Si1 is equivalent, Al3-O11H-Si2 and Al8-O10-Si2 sites are less and higher than the first two Br? ?nsted acid sites, respectively. Al1-O3H-Si4和Al4-O3H-Si1位的酸性强度接近,Al3-O11H-Si2和Al8-O10H-Si2位的酸性分别略低于和略高于前两个酸位。
- Solid-State NMR Studies of Base-Induced Br(?)nsted Acid Sites in Mesoporous and Microporous Zeolites 介孔、微孔分子筛中碱诱导Br（?）nsted酸的固体核磁共振研究
- Brønsted acid 布朗斯泰德酸
- On the other hand, both Br? nsted and Lewis acid sites are observed on PW/USY catalysts. 由于PW与USY孔壁的弱相互作用，PW和USY的酸性中心得到保存，PW/USY催化剂的酸量较USY和PW有较大提高，其表面同时存在B（Br?nsted）酸和L（Lewis）酸中心。
- Brǒnsted acidic ionic liquids B酸离子液体
- 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。
- nsted acid (*BH) for the activation of the imine and acetic acid (20 mol %) as the non-chiral proton source (BH) for the shift of the keto-enol equilibrium. 酸(*波黑)、活化的亚胺乙酸(20摩尔%25)的非手质子源(波黑)为转移的酮-烯醇平衡.
- 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。
- BR> B: Let me see the specifications for that . 让我看看它的规格说明书吧。
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
