氢酸

Bis(1,2,3,4-tetrahydroisoquinoline-2-ylmethyl) HBr salt (K2) guest has been synthesized from 1,2,3,4- tetrahydroisoquinoline and ethylenedibromide. The self-assembly interaction models of cucurbit[8]uril (Q[8]) with this synthetic guest have been investigated by using 1H NMR technique, single crystal X-ray diffraction determination and theoretic calculation method.

以用1，2，3，4-四氢喹啉和二溴乙烷合成的二(2-亚甲基-1，2，3，4-四氢异喹啉)的溴化氢酸盐为客体，八元瓜环为主体，利用1H NMR技术，单晶X射线衍射方法以及理论计算等方法，考察了两者的自组装模式。

Finally the structures were released in a 49% HF etch..

最后是在49%浓度的氟氢酸中刻蚀形成结构。

The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZnO and CeO2 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-440Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 99%, and the productivity is above 95%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以ZnO和CeO 2 的复合氧化物为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～440℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达99％，收率可达95％以上。

The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZrO2, TiO2 and Y2O3 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-450Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 96%, and the productivity is above 90%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以复合氧化物ZrO 2 、TiO 2 和Y 2 O 3 为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～450℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达96％以上，收率可达90％。

It is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated.

尤其是氟氢酸和抗盐酸当他们去气。

The addition reaction with hydrogen cyanide is base-catalysed.

与氰氢酸的加成是碱催化的。

Methods The pancreatic microcirculation was studied by intravital fluorescence microscopy with FITC-labelled ery-throcytes.The changes of AngII content in pancreatic microcirculatory plasma and local tissue were measured by radioimmunoassay.

采用异硫氢酸荧光素标记红细胞进行胰腺局部微循环活体观察，放免法检测局部微循环血浆及胰腺局部组织AngⅡ的含量变化。

Methods In the presence of sodium nitrate the ammonium thiocyanate ,malachite green and Co can form water-insoluble ion-association complexes.

方法在少量NaNO3存在下，向体系中加入硫氢酸铵和孔雀石绿，使其与Co形成不溶于水的三元离子缔合物浮于盐水相上。

"Cyanic acid:a poisonous , unstable, highly volatile organic acid, HOCN, used to prepare cyanates."

&氰酸：一种有毒的、不稳定的、极易挥发的有机酸，HOCN，用来制取氢酸盐或氢酸酯。&

The behavior for flotation separation of cobalt with sodium nitrate— ammonium thiocyanate —hexadecyl trimethylammonium bromide system and the condition for separation of cobalt with other metal ion were studied.

研究了硝酸钠—硫氢酸铵—溴化十六烷基三甲铵体系浮选分离钴Co的行为及其与常见阳离子分离的条件。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。