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- The molecular effect [R(Yf)] in the forward electron emission decreases with target thickness at a certain energy. 前向发射产额的分子效应R(Yf)，在给定的能量下随靶厚增加而下降。
- It was observed that the concentration of NO2 in the gas emission decreased greatly during oxidation and the phase transfer catalyzer as well as ultrasonic played important role in the reaction. 研究发现，氧化过程中尾气中NO2的浓度明显减小，相转移催化剂和超声波辐射作用对反应有重要作用。
- The CH4, CO, NMHC emissions decrease significantly, while the NOx emission increases. 在天然气中掺入适量氢气后有利于改善发动机怠速燃烧，从而增加怠速稳定性。
- The CH4, CO, NMHC emissions decrease significantly, while the NO(subscript x) emission increases. 在天然气中掺入适量氢气后有利于改善发动机怠速燃烧，从而增加怠速稳定性。
- CO and HC emissions decrease because the ignition performance of diesohol is improved by using ignition improver, but NOx emission increase. 应用着火促进剂有助于柴油醇燃料的着火，从而降低CO 和HC排放，但NOx排放有所增加；
- The birthrate in the city has been decreasing. 该市的出生率一直持续下降。
- Interest in the sport is decreasing. 人们对此项运动的兴趣已逐渐淡薄。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- Compared with no heater,the THC emissions decreased 42.7%,the CO emissions decreased 2.1%,the NOx emissions decreased 72.3%. 与不使用汽车加热器相比;可以降低THC排放的42.;7%25;CO排放的2
- The amount or rate of emission or ejection. 排放量流量、流速，或排出量，排出的速度
- Toy sales peaked just before Christmas and are now decreasing. 玩具销售额在圣诞节前夕达到最高峰，现已逐渐下降。
- emission decreasing 减排
- emission decreasing measure 减排措施
- Engine emissions decrease with the increase of GTL fraction in the blends. Comparing to diesel fuel,the engine operating on GTL can reduce NO_x by 23.7~0/_0,PM by 27.6~0/_0,CO by 16.6~0/_0 and HC by 12.9~0/_0 in ECE R49 13-mode procedure. 在ECE R49十三工况下纯GTL的NOx和PM排放分别降低了23.;70/0和27
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- The act or process of decreasing. 减少减小、减少的过程
- The total forest cover of the earth is decreasing. 地球上森林覆盖的总面积正在减少。
- One set of provisions tightens emission standards. 一套使排放标准更加严格的规定。
- Cases appear to be decreasing in both states. 在这两个州,病例看来正在减少。
- A brief, sudden emission of air, vapor, or smoke. 一阵烟空气、蒸汽或烟雾短促而突然的散发
