一硝酸酯

Basing on nitroester migration theory in combustible cartridge case during its long storage, the method of using indicator strip to determine extent of nitroester migration was suggested.

文摘：根据半可燃药筒在长期储存过程中硝酸酯的迁移原理，提出一种利用指示剂带检测硝酸酯迁移量的方法。

Mixed cellulose ester membrane is a mixture of cellulose acetate and cellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

Mixed cellulose ester membranefor hydrophilic is a mixture of cellulose acetatecellulose nitrate.

混合纤维素酯膜由硝酸纤维素酯和醋酸纤维素酯制成，是一种多孔性的精密过滤材料，滤膜表面孔径分布均。

A salt or ester of nitric acid .

硝酸形成的一种盐或酯。

Nitratomethyl-3-ethyloxetane was synthesized by the process of cyclization, nitation from trimethlolpropane and diethyl carbonate, and the homopolymer of 3-nitratomethyl-3-ethyloxetane was synthesized with 1,4-butanediol as initator and boron trifluoride etherate as an catalyst by cationic ring-opening polymerization.

以三羟-甲基丙烷和碳酸二乙酯为原料经环化、硝化两步反应合成了化合物3-硝酸酯甲基－3-乙基氧丁环；采用1，4-丁二醇为引发剂，三氟化硼乙醚(BF3Et2O)为催化剂，NIMEO发生阳离子开环聚合得到一种端羟硝酸酯均聚醚PNIMEO。

Highly ordered mesoporous Zr-Ce-SBA-15 silica with hexagonal-platelet morphology was synthesized through a hydrothermal route by using pluronic P123 as a template, tetraethyl orthosilicate as a silica source, zirconyl chloride and cerous nitrate as a precursor. The main strategy of this method was to utilize the acidity self-generated from the hydrolysis of inorganic salts in the aqueous solutions, where no addition of mineral acids was necessary.

以P123为模板剂，正硅酸乙酯为硅源，氯化氧锆和硝酸亚铈为无机前驱盐，在不外加无机酸的条件下，利用无机前驱盐自身水解产生的弱酸性环境，通过水热合成路线一步合成了具有大的径轴比、短孔道、六方板状形貌的Zr-Ce-SBA-15介孔材料。

The invention discloses a method for preparing novel nanometer TiO2 optical catalyst material, comprising that (1) preparing gel solution of modified lanthanide series that mixing butyl titanate, alcohol solvent, azotic acid, polyvinyl alcohol and lanthanide element,(2) using alkali liquid to treat the quartz fiber leaked from side wall,(3) using drawing membrane and high-temperature sintering to form modified TiO2 optical catalyst material on the surface of quartz fiber.

本发明公开了一种制备新型纳米TiO2光催化材料的方法，包括(1)配置镧系元素改性的溶胶溶液：将钛酸四丁酯、醇类溶剂、硝酸、聚乙烯醇和镧系元素的盐类混合搅拌；(2)利用碱液对侧壁漏光石英光纤进行处理；(3)通过提拉成膜和高温煅烧，在石英光纤表面形成改性TiO2光催化材料。

Objective:We use an objective method to evaluate the effect of isosorbide dinitrate on myocardial blood flow of ischemic area.

目的：临床上应用一种较客观简单方法评价硝酸异山梨酯改善冠心病缺血区域血流量的作用。

Isosorbide mononitrate is an active metabolite of isosorbide dinitrate and exerts qualitatively similar effects.

单硝酸异山梨酯是二硝酸异山梨酯的一种活性分解物，并表现出同样相似的作用。

In addition to the routine treatment,patients in treatment group(74 cases) were treated with 20mg of Breviscapine injection and 10 mg of isosorbide mononitrate injection through intravenous drip once a day for 14 days(Application of isosorbide mononitrate injection was stopped for 2 days in the middle of the course of the treatment).

将146例RHF患者随机分成两组，对照组(72例)给予洋地黄、利尿剂、扩血管药、吸氧等常规治疗；治疗组(74例)在常规治疗的基础上加用灯盏花素20mg、单硝酸异山梨酯10mg静脉滴注，每日一次，灯盏花素连用14天，单硝酸异山梨酯连用6天后停2天，再连用6天，疗程共14天。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。