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- The Characteristic of Gas Concentration Relaxation in the Closed Chamber Test 气敏元件闭室测试中气体浓度变化的特征
- closed chamber test 闭室测试
- In this paper, a closed chamber technique for measuring the complex free field sensitivity and directivity patterns of line array is described. 本文提出了一种在密闭管中测量线阵的自由场复数灵敏度和指向性图的方法。
- Using closed chamber technique and gas chromatography, in-site measurements of N2O, CH4 and CO2 greenhouse gase fluxes from grassland ecosystem were systematically conducted. 利用静态箱法采样,配以气相色谱仪法分析对草地N_2O、CH_4和CO_2温室气体通量进行了较系统的现场测量,同时对箱体内外温度进行同步观测。
- Using closed chamber technique and gas chromatography, in-site measurements of N2O,CH4 and CO2 greenhouse gase fluxes from grassland ecosystem were systematically conducted. 利用静态箱法采样,配以气相色谱仪法分析对草地N2O、CH4和CO2温室气体通量进行了较系统的现场测量,同时对箱体内外温度进行同步观测。
- In this article concerned is the use of DC potential method for monitoring crack growth in a sheet metal specimen in a closed chamber which was vacuumed or fulled with a particular gas. 本文介绍用直流电位法监测在密闭腔中薄片试样上裂纹扩展的方法。密闭腔可以抽真空或充以特定气氛。
- By using soil bores and closed chamber methods, field experiments were carried out in the semiarid area of dry land to study the effects of irrigation and rainfall on the N2O loses. 摘要利用土壤探头法和密闭气室法相结合,就黄土高原旱地土壤玉米生长期灌溉和降水对N2O气态损失的影响进行了研究;
- To fractionate the contribution of plant to N2O emission from soil-plant system,the N2O emissions from soybean,soil and soil-plant system were measured by closed chamber method under field condition. 为区分植物在土壤-植物系统N2O排放中的贡献,用封闭式箱法对田间栽培的大豆植株及土壤、大豆植株-土壤系统的N2O排放进行了测定,同时对影响N2O的排放的因素进行了分析。
- Automatic Anechoic Chamber Test System 自动无回声舱试验系统
- Himmler invited 40 top Luftwaffe officers to view a movie of an inmate dying in the pressure chamber.After the pressure chamber tests, the cold treatment experiments began. Himmler邀请40名高层德国空军官员观看一场关于一个囚犯在压力室死亡的电影,在进行压力室测试后,冷处理实验就开始了。
- Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber 单间闭室内锥形辐射源的烟尘灰暗度的标准测试方法
- Test Method for Measurement of Smoke Obscuration Using in a Single Closed Chamber, with the Test Specimen Oriented Horizontally 在单个闭室中利用水平试样测量烟雾昏暗度的试验方法
- He closed the deal successfully and was home free. 买卖成交了,他松了一口气。
- People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
- The boss readily closed with the offer. 老板马上接受了这个报价。
- earth pressure of closing chamber 土舱压力
- Have you closed the gate and windows? 你把门窗关严实了吗?
- He closed his speech with a funny joke. 他用一则有趣的笑话结束了演讲。
- That oyster closed up its valves. 那个牡蛎把壳合拢起来。
- Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber, With the Test Specimen Oriented Horizontally 在单个闭室中利用带水平试样的锥形辐射源测量烟雾昏暗度的标准试验方法