气室

To examine how EDU affects foliar symptom and photosynthetical character of spinach Spinacia oleracea L.

运用改进的开顶式气室(open-top chambers， OTCs)装置，对嘉兴尖叶、嘉兴圆叶和荷兰35三种菠菜Spinacia oleracea L。

METHODS: Constructing the CAM model by exposing CAM on the shell subpoint between 2 vitelline veins and generating an air chamber after 5 days of incubated with aseptic incubator at 37℃.

将鸡胚消毒后，置于37℃无菌恒温箱中孵育5 d，在距胚头1 cm两条卵黄静脉之间的卵壳投影部位磨切暴露尿囊膜，制成假气室，用无菌滤纸封闭窗口，制成鸡胚尿囊膜模型，备用。

This paper described principles of infrared absorption and methods of detection and optical structure of gas chamber in detail.

文中对红外吸收原理、检测方法以及气室光路结构等做了详细的阐述。

The effects of rheological characteristics, orifice diameter, chamber volume and gas flowrate on bubble formation were discussed.

讨论了流体流变性质、喷嘴直径、气室体积和气体流率对气泡生成的影响。

The chamber will close and if you will not work with a manual clamp the automatic connection will close.

气室就关闭了。如果没有使用手动夹具，自动连接就关闭了。

Production varieties: a type of compressed coil spring, La Huang, torsion spring, Kahuang, drum-shaped spring, pagoda-shaped spring, the disc spring, spring steel, flat cochlear Volume spring, shaking windows of spring, the diaphragm spring, the wave spring, Dies Spring, the flat steel springs, spring steel pagoda, all types of cars, mini-car hoisted damping spring, before and after the shock absorption spring motorcycle, truck brake spring chamber, the diameter of steel specifications from 0.2-75 mm, a square steel, Chen Shui-bian Steel, a variety of stainless steel and tin, such as spring bronze.

生产品种：种类有压缩螺旋弹簧、拉簧、扭簧、卡簧、鼓形弹簧、宝塔形弹簧、碟簧、钢板弹簧、平面蜗卷弹簧、摇窗机弹簧、膜片弹簧、波形弹簧、模具弹簧、方扁钢弹簧、钢板宝塔弹簧、各类轿车、微型汽车悬挂减震弹簧、摩托车前后减震弹簧、载重汽车气室制动弹簧等，规格从钢材直径0.2-75mm，有方形钢、扁钢，有各种不锈钢和锡青铜弹簧等。

Analysis of signals in fiber optic gas sensor based on opening cell.

基于开放式气室的光纤气体传感器的信号分析

Based on the theory of gas molecular absorption spectrum,structure of transmission type gas cell that based on GRIN lens is designed.

基于气体分子红外吸收光谱的原理，设计了基于自聚焦透镜的透射式气室结构。

Transmission type gas cell that based on GRIN lens is applied to absorption spectrum optical fiber gas sensor ,and good detecting effect is obtained.

基于自聚焦透镜的透射式气室成功地应用于基于谐波检测技术的吸收型光纤气体传感器系统中，获得较好的检测效果。

High-order harmonic radiation with noble gas and N〓 in static gas target has been obtained, and the effects on high-order harmonic efficiencies due to laser intensities , polarization, gas densities, confocal parameter, media characteristic and phase mismatch have been discussed. The experimental results show that the high-order intensities grow with the incident laser intensities and gas densities, and high-order harmonic signals amplify in the same time.

高次谐波辐射是强场物理中与电离过程相伴而生另一种重要过程，本文利用飞秒激光在静态气室中获得全部的稀有气体原子以及氮双原子分子5到21次的谐波发射，着重讨论了激光功率密度、激光偏振、气体密度、共焦参数、介质本身以及相位失配对高次谐波转换效率的影响。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。