1) continuous culture
![点击朗读](/dictall/images/read.gif)
连续文化
1.
Research on classification mining of decision tree for prehistoric continuous culture settlements;
史前连续文化聚落的决策树分类挖掘研究——以郑州-洛阳地区为例
2.
Using K-means clustering algorithm and GIS components Super Map Objects,the spatial data mining system based on continuous culture sequence is developed.
利用K-means聚类算法和GIS组件SuperMap Objects,开发了基于连续文化序列的空间数据挖掘系统,运用该系统对郑州—洛阳地区史前3个连续文化时期的聚落进行数据挖掘,提取聚落遗址群的聚类规则。
3) continuous file
![点击朗读](/dictall/images/read.gif)
连续文件
1.
According to the characteristic of embedded device s data file system,this paper introduces a design of file manage system for embedded system based on continuous file.
针对嵌入式设备数据文件系统的特点,设计了一种基于连续文件结构的嵌入式设备文件管理系统的设计方法,给出了文件结构具体实现方法,并详细介绍文件系统数据文件的写入、查找、覆盖、删除等功能的程序实现,该系统在笔者开发的便携式单相交流电测量仪中得到成功应用。
4) continuous saponification by MonSavon process
![点击朗读](/dictall/images/read.gif)
蒙·萨文法连续皂化
5) continuous esterification
![点击朗读](/dictall/images/read.gif)
连续酯化
1.
During the research of the green chemical technique for conversion of lactic acid to methyl lactate,a new reversed-phase high performance liquid chromatographic(RP-HPLC) method was developed for the simultaneous determination of lactic acid and methyl lactate in the continuous esterification system in order to optimize the reaction conditions.
在由乳酸合成乳酸甲酯的绿色化工工艺研究过程中,为了优化反应条件,建立了一种同时分离测定乳酸连续酯化反应体系中乳酸和乳酸甲酯的反相高效液相色谱法。
2.
Using oleic acid as raw material,the technologic flow of rectifying to remove water and continuous esterification was explored to reduce the acid value,and the optimal technological parameters were obtained.
以油酸为原料模拟高酸值油脂进行降酸研究,提出了高酸值原料经精馏分水-连续酯化进行降酸的方法和工艺流程,并对工艺参数进行了优化。
3.
Based on reaction kinetics, the process flow diagram of continuous esterification and reaction conditions were determined.
采用新型催化剂钛酸四异丙酯(TPT)对偏苯三酸酐和2-乙基己醇酯化合成增塑剂偏苯三酸三异辛酯(TOTM)的连续工艺进行了研究,确定了连续酯化流程操作条件,使得偏酐的转化率达到99。
6) continuous gasification
![点击朗读](/dictall/images/read.gif)
连续气化
1.
The current domestic status of process technologies for intermittent gasification with air and continuous gasification with enriched-oxygen in the fixed-bed gas furnaces of the medium sized nitrogen fertilizer plants are described in the present article,with an emphasis on the discussion of technique for production of enriched-oxygen from air by pressure swing adsorption process.
概述了我国中氮肥行业固定床煤气炉空气间歇气化和富氧连续气化工艺技术现状,着重讨论了变压吸附法分离空气制富氧技术,分析论证了变压吸附法富氧用于Φ3000mm、Φ2745mmUGI型间歇式固定床煤气炉进行常压连续气化工艺的经济效果,并探讨了可行的技改方案。
补充资料:连续和非连续孔径射电望远镜
射电望远镜因接收天体射电的天线孔径的构成方式不同,而有连续孔径和非连续孔径之分。连续孔径射电望远镜是射电望远镜的一种最简单的类型,其天线孔径为接收单元所布满,因而天线增益和分辨率全由天线孔径的实际尺寸和形状决定。这类望远镜天线孔径可以有各种形状,如通常的抛物面、球面、抛物柱面、抛物带形反射面等。某些由分立天线(如偶极子天线、裂缝波导等)组成的天线阵,当阵元间距不大于半波长时,由于电场强度方向图和连续面电流分布的场强方向图相似,也被认为是连续孔径射电望远镜。这种情况更常见于线孔径或米波、十米波段的偶极子阵。非连续孔径射电望远镜是天线结构只分布在孔径部分面积内的望远镜,通常由多个天线组成。栅式干涉仪、复合射电干涉仪、栅十字、 T形栅、圆阵、圆环以及综合孔径射电望远镜等都是。这种望远镜的分辨率由天线范围(设想的孔径)的外尺寸决定,而总的天线增益或灵敏度,则取决于全部天线单元面积的总和。图中a所示的连续孔径天线可认为由N个单元面积组成,经天线传至接收机的信号是各单元反射信号的迭加,连续孔径射电望远镜通过焦点处的馈源自动得到这种迭加。由于二单元A、B信号的迭加效果等效于处在A、B的相关干涉仪输出,非连续孔径射电望远镜正是基于这个原理,在省去孔径一部分的情况下,保留连续孔径各单元间的全部间距和取向,如图中b所示的"骨架式"射电望远镜,或者依观测需要对这些间距和取向进行有限的采样(各种干涉阵),甚至用不少于2的有限天线依次采样后进行处理;图中c是综合孔径望远镜。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条