查询词典 oleum rosmarini

Until now, it has the most industrialized future with iodine as a catalyst system in oleum in the liquid phase of partial oxidation of methane reaction.

甲烷部分氧化反应是天然气直接转化制备高附加值化工原料的重要途径，它对于天然气资源的综合利用具有重要意义。

The other was aimed at developing novel solvent system instead of oleum. A kind of solvent system mixed by phosphotungstic acid and acetic acid was put forward.

在实验室中进行了催化剂的考察工作以及工艺条件的考察工作，对实验结果进行了分析和探讨，讨论了各催化剂的催化循环机理，并建立了相应的动力学模型。

THE word petroleum has its roots in the Latin words oleum, which means oil, and petra, which means rock.

英文中"石油"是由两个拉丁词根组成的合成词，拆分后的两个拉丁词根分别是"原油"和"岩石"的意思。

Objective To study the therapeutic effects of oleum curcumae wencho wensis on skin of guinea pigs damage irradiated by UVB and its mechanism.

目的：研究莪术油对中波紫外线（ultraviolet B， UVB）所致豚鼠皮肤损伤的治疗作用及其机制。

The paper discussed present processes of oleum production ,found the process using tube-shell evaporator is reliable.

国内外发烟硫酸生产方法很多，通过比较分析找出了管壳卧式蒸发器生产法是适合的生产工艺方案。

At present, although the iodine as a catalyst, oleum as the solvent liquid phase partial oxidation of methane research is not adequate, but the reaction has higher yield and the conversion rate of the industrialized good prospects to enlarge production.

目前，虽然以碘为催化剂、发烟硫酸为溶剂的甲烷液相部分氧化反应的研究尚不充分，但是该反应具有较高的转化率和收率，工业化放大生产的前景良好。

The alkylbenzene and alkylmethylbenzene are sulfonated by using 20% oleum as the sulfonating agent.

采用发烟硫酸对合成的系列烷基苯中间体进行磺化。

The understanding to the forming and distribution of network-like petr oleum accumulation and the application of this exploration technique need furthe r consummated.

对网络状油气藏形成与分布规律的认识和勘探技术的应用，都还有待于进一步完善。

The name "petroleum" is derived from the Latin words petra and oleum , mean-ing rock oil.

石油这个名称来源于拉丁语"petra""岩石"和"oleum""油"两个词，意思是"岩石油"

Excluding mini-tank and disposable cy linder, to contain liquefied petr oleum gas as listed in section A(1) of this form and

用作盛载石油气的石油气瓶或石油气缸（但不包括小型石油气缸及袛用一次的石油气瓶）。

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。