查询词典 gaseous

The effect of spectra resolution on the detected characteristic absorption structure of gaseous pollutants and the variation of differential cross section of gaseous pollutants with the change of resolution are studied.

主要研究了光谱分辨率对污染气体被检测到的特征吸收结构形状的影响，以及差分吸收截面随分辨率的变化趋势，从而确定了光谱分辨率对污染气体最低可检测浓度的影响，通过研究分辨率与光强的关系，确定了分辨率与信噪比的函数关系式，得出了DOAS测量NO2，O3和SO2的最佳信噪比范围，对多种污染物标准气体进行了同时监测，计算出标准气体在不同光谱分辨率下的测量误差，确定了对NO2，O3和SO2监测的最适用的分辨率范围。

A new-type composite gaseous-metallic ion implanter was developed for fully pulsate circuit by introducing the gaseous plasma induced by the pulse which is restrained by megnetic field so as to realize the gaseous and metallic arc discharge.

本文报道了新型全脉冲电路气体－金属复合离子注入源的结构和特性，采用在磁场约束条件下的脉冲引发的气体等离子体，分别引发气体放电和金属弧放电。

Methane, oxygen and H_2O molecules are activated, ionized and dissociated into active particles such as CH_3~+, O~-, H_2O~+, CH_3, CH_2, CH, H,OH and O, by nonelastic collision with high energy electrons. The particles react with each other in the reactor to synthesize chemically products including gaseous oxy-hydrocarbons.We study the rule of reaction by changing electrical parameter, gas flow etc. Study the conversion of methane, selectivity of gaseous hydrocarbons and yield of methanol under different reaction condition.

针对常规甲烷催化转化和氧化偶联制备含氧化合物的问题，遵循国际化学科学研究前沿"绿色化学"原则，采用自然界存在丰富的CH_4、H_2O和O_2为原料，在绿色友好的常温大气压无任何催化剂的条件下，采用强电场电离放电加速电子及其激励气体分子的极端物理手段，在反应腔体内进行无任何环境污染的非平衡等离子体化学反应，将气体分子激发、电离、离解成CH_4~+、CH_3~+、CH_4~·、H_2O~+、H_2O~·、O_2~+、O(~1D)等活性粒子，生成气态烃及含氧碳氢化合物，整个反应过程实现零污染、零副产品。

DOAS method used to obtain the column density of gaseous pollutant in the section plane of the plume emitted from source and the method of net flux calculation of gaseous pollutant from a certain area are described.

文章着重描述了获得污染气体柱密度的差分吸收光谱方法以及区域内污染气体净排放通量的计算方法，并构建了车载被动DOAS系统对北京市五环路以内区域的SO2和NO2排放进行外场测量，测得了该区域内SO2和NO2净排放通量分别为1.13×104和9.3×103 kg·h-1。

A device for separating gaseous pollutants from a gas comprising an apertured plate ( 8 ) which permits the passage from below the apertured plate of the gas containing the a gaseous pollutant and wherein on the upper surface ( 12 ) of the apertured plate a layer ( 14 ) of absorption liquid is made to flow.

用于从气体中分离气态污染物的设备，包括：孔板(8)，该板允许含有气态污染物的气体从其下流过，以及在该板的上表面(12)上携带一层吸收液体的流动层(14)。

The process of the present invention consists in bringing into contact, on the one hand, gaseous phosphorus pentafluoride or a gaseous mixture comprising phosphorus pentafluoride and hydrochloric acid, and, on the other hand, a solution of lithium fluoride in hydrofluoric acid, in a column (10) having a sufficient number of transfer units to carry out the reaction of PF5 with LiF under the chosen conditions of temperature, of pressure and of molar ratio of the two contrasting reactants and with complete or substantially complete absorption of the PF5 in the column.

本发明方法是让气态五氟化磷或五氟化磷与盐酸的气态混合物与氟化锂的氟氢酸溶液在塔（10）中接触，该塔转化单元数足以在选定温度、压力与两种反应剂摩尔比条件下使PF5与LiF反应，塔中五氟化磷完全或基本完全被吸收。

After getting two systems'GLE, absorption experiment was operated in laboratorytype equipment and the operation condition of dibutyl sebacate as absorbent were studied, the relationship of 〓 and the content of maleic anhydride in gaseous mixtures, the temperature of gaseous mixture, the liquid and gases ratio, the temperature of absorbent and the content of maleic anhydride in absorbent were studied respectively.

在获得气液平衡关系后，在自行设计的小型实验设备上分别就癸二酸二丁酯吸收顺酐的操作条件：进塔气中顺酐含量的变化、进塔气体温度的变化、液气比的变化、进塔溶剂温度的变化和吸收剂中顺酐含量的变化等对吸收效率的影响进行了初步探讨，推荐了合适的操作条件。

The standard formation heat of gaseous trimethylbenzene was estimated with Watson empirical equation. The gaseous trimethylbenzene's standard entropy was calculated with bond entropy method and its heat capacity changing trend with temperatures was obtained according to polynomial regress.

气相三甲基苯的标准生成热ΔH(上标θ下标 298.15)用沃森经验方程估算，标准熵S(上标θ下标 298.15)用键熵法估算，摩尔等压热容C随温度的变化趋势通过多项式回归的方法得到。

At last, the experimental results show that the prediction correct rate for 50 unknown samples of gaseous Dimethyl Methyl Phosphonate, Dimethyl Benzene, Sarin, Soman and Phosgene is 98%, and the maximum relative measuring errors of gaseous DMMP and gaseous DMB are 3%.

实验结果表明，本系统对气态甲基磷酸二甲酯与气态二甲苯两种毒气模拟品和沙林、梭曼与光气三种毒气共50 个未知样本预测识别的正确率为98%，两种毒气模拟品的最大相对测量误差为3%。

Gas column (2) gaseous oil column (3) gaseous liquid column from pump to the tube end (4) gaseous column from tube end to the formation According to the flow pattern, this paper utilize the methods given by those papers .

从管柱结构上，将井筒划分为四个部分：(1)气柱段(2)沉没度(3)泵口至管鞋段(4)管鞋至油层中部在流态分布上，管鞋以上，尊重人前人的算法。

He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后，在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加，包括肾小球病和球外疾病等。