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- primary air quantity 一次风量
- It uses four drying blower fans with the characteristics of low noise and high air quantity. 采用四个干燥风机，具有低噪音、高风量的特点。
- The effect of air quantity and zinc concentration on forming T-ZnO_w whisker is analyzed. 分析了空气量和锌浓度对形成四针状的氧化锌晶须的影响。
- Analysis of the Reason and Avoid Measure About Primary Air Piping Jam of the Boiler Burning System. 锅炉燃烧系统一次风管堵塞原因分析及其防范措施。
- When the primary air blast wave from the explosion strikes the ground, another blast wave is produced by reflection. 当爆炸引起的入射冲击波触及地面时，由于波的反射便产生另一冲击波。
- The problem that the primary air leakage of trisector AH is large arises some domestic customer s attention. 三分仓空气预热器一次风泄漏量偏大，引起国内部分用户的反响。
- Understand the origin of primary air and formation of modern atmosphere which is related to emergence of animals and plants. 了解原始空气的由来以及现代大气的形成与多动植物的出现有关。
- The distributions of gas temperature, O2, CO2, CO, and NO concentrations were measured under different swirl numbers for the primary air. 测量了在不同的一次风旋流数下,气体的时均温度、O2、CO2、CO和NO浓度的分布。
- Analysis was made on how concentration of pulverized coal, primary air, mill outlet temperature and pulverized coal fineness affected ion ignition. 分析了煤粉浓度、一次风速、二次风量、磨煤机出口温度和煤粉细度等因素对其点火性能的影响；
- A Scheme for retrofitting the primary air s isolation valves at coal mill s entrance of Huaneng Fuzhou Power Plant s sets No. 阐述了高层建筑热水采暖系统形式的选择原则,分析了目前常用的高层采暖系统及连接方式,同时对几种阀门隔绝系统的问题进行了探讨。
- The nomograms for boiler efficiency calculation using ASME codes is presented, an easy method is given for measuring and calculating flue gas and air quantity and compared with GB10184-88 and ASME code. 建立了标准锅炉热效率试验的线算格式，给出了烟气量和空气量的简易测量和计算方法，并与GB10184-88、ASME标准进行了对比。
- Directed at fire prevention in goaf,the paper proposes a method of injecting nitrogen and controlling nitrogen air to flow direction using fugitive air and controlling air quantity in gob. 为解决采空区防火问题,提出从采空区漏入风一侧顺流注氮,充分利用采空区漏风流向控制氮气的流向并控制漏风量的注氮思路。
- The CAPPS(City Air Pollution Prediction System) was used to simulate the air pollutant index of the primary air pollutants(SO 2 NO x TSP) in Shijiazhuang City . 应用 CAPPS城市大气污染潜势和污染指数预报系统 ,对石家庄市主要大气污染物 ( SO2 、NOx、TSP)的污染指数 ( API )进行模拟分析。
- Abstract: In this paper,the preparation of the catalysts for the oxidation of Fluorene to Fluoreone is studied.The influences of the dipping time,calcining temperature,calcining time and the air quantity during the calcination are discussed. 文摘:研究了用工业芴气相氧化制取芴酮的催化剂制作条件，考察了浸渍时间、煅烧温度、煅烧时间和煅烧空气量对催化剂制作的影响.
- Based on the experimental result and flame stability theory, the possibility to obtain the optimum parameters of the burners are discussed under different primary air coefficient. 在实验结果的基础上利用火焰稳定理论，论证了在不同一次空气系数时获得最佳燃烧器参数的可能性。
- It is found that the air quantity increases with the HRR, and the consumption of oxygen increases too, this gives rise to the decrease of the average oxygen concentration in the stairwell. 研究结果表明,随着释热速率的增加,楼梯井空气卷吸量增加,但由于氧气的消耗量也在增加,导致楼梯井内平均氧气浓度降低。
- As a result, no mater what value the primary air coefficient is, to get the optimum parameters of the burners, certain measures in structure to stabilize flame must be taken. 结果表明，无论一次空气系数取何值，要取得最佳燃烧器参数都必须在其结构上采取一定的稳焰措施。
- With the selected “input” parameter serving as the initial condition of a primary air operating regime the ascertainment criteria are made forthright and rational. 选择的“输入”参数为一次风工况初始条件，使判别准则直观合理。
- In the configuration built with the parameters recommended in this thesis the equipment of elbow has no obvious effect on the deflexion of center line of the primary air. 而本试验推荐的结构参数下，弯头的存在不会使喷口出口射流中心线发生偏移。
- Presents the air conditioning system and smoke exhaust system design of this project, applies the primary air fan coil system and secondary pump water system in the Top Electronics City. 摘要简要介绍了鼎好电子商城空调系统和防排烟系统的设计，商城采用了风机盘管加新风空调系统和二次泵空调水系统。
