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- The experimental results show that ammonia molecule is adsorbed preferentially on the B acid sites. 实验结果还表明氨分子在B酸中心上优先被吸附。
- The results showed that both L and B acid sites exist on SO- 2- 4/TiO 2 photocatalys t while only L acid sites on TiO 2 photocatalyst. 结果表明 ,TiO2 光催化剂的表面只有L酸中心 ,而SO2 -4 /TiO2 光催化剂表面既有L酸中心也有B酸中心。
- As demonstrated in the 1H MAS NMR experiment, the number of B acid sites per unit cell was 1 12 on the Mo/HZSM-5 catalyst prepared using unmodified zeolite as support, but it was only 0 88 on the Mo catalyst supported on modified HZSM-5 zeolite. 未经改性的Mo/HZSM 5催化剂表面 ;平均每个晶胞中有 1 12个B酸位 ;而改性的Mo/HZSM 5催化剂表面 ;平均每个晶胞中仅有 0 88个B酸位 .
- The IR spectrum rcsearch shows, there were no hydroxyl groups and no B acid sites on the AIPO4-5. But there were two hydroxyl groups at 3666cm-1 and 3620 cm-1on the SnAPO_5, B acid sites were present. 从TPR谱所得结果表明;Sn已进入骨架且不易被还原成零价的Sn.;AlPO_(4-5)的IR谱上无羟基峰出现;其表明没有B酸位存在;而SnAPO_(-5)出现了3666cm~(-1)和3620cm~(-1)二个羟基峰;表明有B酸位存在
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- C comes after B in the alphabet. 在字母表中C接在B后面。
- The "b" in "comb" is not sounded. comb这个词里的"b"是不发音的。
- The old woman does not know from A to B. 这位老太太一字不识。
- B comes before C in the alphabet. B在字母表里排在C之前。
- Source of pantothenic acid, a B vitamin. 来源泛酸，B族维生素。
- Line A is four times the length of line B. 线条
- Many letters in the alphabet such as b, c, d, etc are consonants. 字母表中的许多字母像b，c，d，等等都是辅音字母。
- Removal of azo dye Acid Red B(ARB) by magnetic ferrite adsorbents. 用铁酸盐型磁性吸附剂去除偶氮染料酸性红B
- B, c, d, f, etc. are consonants. B,c,d,f等都是辅音字母。
- Mr A had called out Mr B for his abusive words. B先生辱骂了A先生，A先生要求和他决斗。
- Student B: Tug of war by ten thousands people? 学生乙：万人拔河?
- Team A beat team B (by a score of) two to one. 甲队以二比一胜乙队。
- Some vitamin B and C will build up your resistance. 吃些维他命B和C能增强你的抵抗力。
- A：Don't say that! B: Yes, I will. 甲：别那么说!乙：不，我就是要说。
- If A equals B and B equals C,the A equals C. 如果A等于B，而B等于C，那么A也等于C。“x=y”
- 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
