time database是什么意思

用法例句

The retention time data base was established with Retention Time Locking in gas chromatograph, which made it possible to qualitative analysis for fifty three kinds of volatile organic compounds in water The analysis was quick and simpl

使用保留时间锁定软件 (RTL) ,在气相色谱体系中建立了水质中 5 3种挥发性有机物的保留时间数据库 ,使原始的保留时间成为化合物定性的可靠参数 ,实现了未知样品在色谱仪上的定性 ,提高了分析效率。

Effect of Heating Temperature and Time on the Quality of Three Vegetable Oils;

不同加热温度和时间对3种植物油品质的影响

Relationship between high temperature scouring time and degumming quality of hemp fiber;

大麻纤维高温煮练时间与脱胶质量的关系

The effects of the operational parameters on drying time and energy consumption during vacuum freeze-drying of Argopecten irradians concentricus;

真空冷冻干燥过程参数对墨西哥湾扇贝冻干时间和能耗的影响

This article analyzes the function and limitation of the note and the ideogram linking the time when the phonogram came into being and the approaches .

本文结合形声字的产生时间与产生途径来分析其音符、意符的作用及其局限性,分为四个部分:第一部分介绍其产生的时间及五种主要途径,后面三个部分分别探讨有关“意符表义”、“音符表音”、“音符表义”的问题。

In Ba Jin s novels, the time is broken and developed in si ngle direction.

在巴金的创作中 ,时间观念是断裂的、单向进化的 ,它区别于古典的亲和性循环时间。

Effect of Operative Decompression Timing on Axonal Pathology and Lesion Area of Injured Spinal Cord after Spinal Cord Injury;

手术减压时间对损伤脊髓轴索病理和损伤区面积的影响

In utero cocaine exposure and fetal development:a comparison of different dose and timing;

宫内暴露可卡因和胎鼠发育:不同给药剂量和给药时间的比较

Objective: To study the best timing of the application of traumatic mechanical ventilation in serious degree Ⅱ respiratory failure.

方法分析19例常规药物与氧疗无效而接受有创机械通气治疗(经口气管插管或气管切开)的重度Ⅱ型呼吸衰竭患者的临床资料,分为成功组(11例),病死组(8例),分别比较年龄、入住急诊ICU时的一般情况、APACHEⅡ评分、重度Ⅱ型呼吸衰竭确诊至机械通气治疗间隔时间、机械通气治疗时间与转归之间关系、VAP发生率。

The second,the change of times.

从地理上的差异、时间是主要的原因、北方常受外族入侵和国内战争、动乱引起的民族大迁移、交际和乡土根性等四个方面分析南方方言更接近古汉语的原