查询词典 oleum rosmarini

If excesssulphur trioxide is used the mixture consists of , effectively,sulphur trioxide dissolved in pure sulphuric acid this is known as oleum.

如果有多余的三氧化硫被消耗形成三氧化硫溶解在纯硫酸中的混合物，就称为发烟硫酸。

The development of novel catalysts is the key of the study. In some typical technologies developed up to now, [PtCl2] or HgSO4 is used as catalyst with oleum as solvent with higher conversion ratio and yield.

甲烷液相部分氧化反应制甲醇的研究中催化剂的开发是该研究的关键，迄今为止，已开发的该过程典型工艺是在发烟硫酸溶剂中，采用铂配合物[PtCl2]或HgSO4为催化剂进行的反应。

Purpose To investigate the effects and the mechanism of oleum curcumae wenchowensis with different concentrations (0, 2.5, 5, 10 and 20 mg/mL) on chronic myeloid leukemia cell line K-562 cells in vitro.

目的 探讨莪术油诱导慢性粒细胞白血病细胞株K-562凋亡及可能的分子机制。

Article 52 Where any enterpri se in electric power , petr oleum processing, chem ical

第五十二条违反本法规定，电力、石油加工、化工、钢铁、有色金属和建材

Sulphuric acid and oleum for industrial use.

NF T20-291-1982 化学产品。工业用硫酸和发烟硫酸。

We concluded that the operati-onal press has less affect and the reaction temperature and the quan -tity of oleum is the key parameter.

认为反应压力对混合反应影响不大、混合温度和烟酸比例是关键。

The partial oxidation of methane by the H5PV2Mo10O40 catalyst in oleum was studied. The effects of catalyst amount, reaction temperature, reaction time, and sulfur trioxide concentration on the methane conversion and methanol yield were investigated.

以H5PV2Mo10O40 为催化剂，在发烟硫酸中进行了甲烷液相部分氧化，考察了催化剂用量、反应温度、反应时间和发烟硫酸浓度等工艺条件对反应收率的影响。

The Anton Paar Density and Sound Velocity Analyzers combine two independent parameters, density and sound velocity, to cover a wide range of applications such as quality control in beer and soft drink production, concentration determination of sulphuric acid and oleum or ternary solutions.

安东帕密度和声速分析仪结合两种独立参数--密度和声速，覆盖大范围的应用如：啤酒和软饮料生产中的质量管理、硫酸、发烟硫酸或三元混合液体浓度的测定。

Objective: To investigate the changes of TGF-β1 mRNA in adventitial cells and the effects of Oleum Curcumae Aromaticae oil injection on injuried rat arteriesafter balloon angioplasty.

目的研究莪术油注射液对小鼠球囊损伤血管新生内膜形成及血管重构的作用以及外膜TGF鄄β1(转化生长因子鄄β1)mRNA的变化。

The mechanism of V2O5 catalytic cycle for methane partial oxidation in oleum was discussed and the macro-kinetic model was deduced.

甲烷在部分氧化反应中首先转化为硫酸甲酯，后者进一步水解得到甲醇。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。