Presents the considerations in selection of fire dampers of ventilation system for underground garage,ventilation system for rooms with gas fire units,pressurization air supply system, smoke exhaust system in corridor,and air conditioning systems.

介紹了地下車(chē)庫(kù)通風(fēng)系統(tǒng)乱伦无码高清、需設(shè)氣體滅火裝置房間的通風(fēng)系統(tǒng)、加壓送風(fēng)及走廊排煙系統(tǒng)精品国产丝袜在线拍国语APP、空調(diào)系統(tǒng)防火閥的選定国产精品久久久久久亚洲按摩。

In the method, a optimization model of a ventilating network is put forward by taking the minimizing squared sum of algebraic sum of the ventilation pressure of all branches in a independent circuit about all independent circuits as object function, therefore a new algorithm of ventilation network optimization is obtained.

該方法通過(guò)使所有獨(dú)立回路分支風(fēng)壓代數(shù)和的平方和最小化的方法，建立了通風(fēng)網(wǎng)絡(luò)解算優(yōu)化模型欧美久久性情一级A片，并用梯度法對(duì)該模型進(jìn)行解算欧美熟妇人妻BBBBBⅩXXXX，獲得了一種新的風(fēng)網(wǎng)解算算法网友自拍日韩经典视频。

In the method, a optimization model of a ventilating network is put forward by taking the minimizing squared sum of algebraic sum of the ventilation pressure of all branches in a independent circuit shoot all independent circuits as object function, therefore a new algorithm of ventilation network optimization is obtained.

該方法通過(guò)使所有獨(dú)立回路分支風(fēng)壓代數(shù)和的平方和最小化的方法狼友视频在线播放，建立了通風(fēng)網(wǎng)絡(luò)解算優(yōu)化模型，并用梯度法對(duì)該模型進(jìn)行解算午夜福利啪爽国产片精品91，獲得了一種新的風(fēng)網(wǎng)解算算法欧美激情性爱A片。

Ventilation : It is very important for the safety of the applicator good Ventilation be provided to all portions of the area.

通風(fēng)作業(yè)區(qū)的各個(gè)部位保持良好的通風(fēng)對(duì)操作人員的安全是非常重要的。

Ventilation It is very important for the safety of the applicator that good ventilation be provided to all portions of the area.

通風(fēng) 作業(yè)區(qū)的各個(gè)部位保持良好的通風(fēng)對(duì)操作人員的安全是非常重要的国产92精品午夜白精在线。

On the basis of the method of Boolean manipulation and minimization algorithm, when the independence minimal path sets is arranged by sort ascending according to the mine ventilation network branches, the calculation capacity of the middle course still can reducing further, and thus the optimum effect of Boolean manipulation and minimization algorithm is achieved to calculating reliability of mine ventilation network system.

根據(jù)不交化可靠度計(jì)算法WWW、欧美日韩性生活片、com，當(dāng)最小獨(dú)立路集按所含網(wǎng)絡(luò)分支的多少進(jìn)行升序排列時(shí)，還可進(jìn)一步減少中間過(guò)程的計(jì)算量麻豆激情，從而達(dá)到最佳不交化簡(jiǎn)化計(jì)算的效果五月婷婷激情网站。

Various ventilation methods are discussed and the necessity to use feed-forwards traffic forecast ventilation control is put forward. Autoregressive Moving Average process is implemented to forecast traffic volume. Fuzzy intelligent control strategy is developed to address the problem that tradition control methods could hardly response to cross-river tunnel contaminant in time.

在分析了不同通風(fēng)控制系統(tǒng)下，前饋預(yù)估控制對(duì)隧道通風(fēng)控制的必要性激情污片网站看片网站黄页；提出了運(yùn)用自回歸滑動(dòng)時(shí)間序列模型對(duì)隧道交通流預(yù)測(cè)的方法欧美色色一区；反饋控制無(wú)法及時(shí)響應(yīng)隧道污染物變化情況的基礎(chǔ)上，采用模糊控制設(shè)計(jì)隧道通風(fēng)控制策略日韩美女一级久久精品视频。

Ventilation: closeable ventilation on chin and forehead, vent on the back.

空氣氣動(dòng)功能：下巴综合精品一区，前額及后通風(fēng)孔皆為相通。

Once the underlying cause of respiratory failure has either improved or been resolved,and an adequate capacity of breathing spontaneously is achieved,it is reasonable in time to wean the patients from mechanical ventilation in order to avoid the dependence on mechanical ventilation and reduce the complications associated with ventilator.

但當(dāng)病因消除或得到控制時(shí)欧美成人精品第一区二区三区，自主呼吸恢復(fù)到一定水平后bbw欧美熟女，應(yīng)及時(shí)撤離機(jī)械通氣欧美熟妇A片在线A片织频，避免造成呼吸機(jī)依賴(lài)和減少機(jī)械通氣相關(guān)并發(fā)癥的發(fā)生。

Elementary discussion on ventilation mode of the power house of hydropower station in river channel;2. According to the State Standard of Indoor Air Quality GB/T18883-2002,the air pollutants in the passenger car cabin were measured,and the influence of temperature,the type of car,the time since the manufacture date and the ventilation mode on the air quality was evaluated.

5倍欧美日韩亚洲视频1；車(chē)內(nèi)污染物的質(zhì)量濃度隨時(shí)間延長(zhǎng)不斷衰減欧美黄色第一页，約10 d后趨于穩(wěn)定；發(fā)動(dòng)機(jī)運(yùn)轉(zhuǎn)時(shí)客車(chē)內(nèi)污染物質(zhì)量濃度升高国产高清久久久久久，車(chē)內(nèi)的空氣質(zhì)量變差黄片@126.com；自然通風(fēng)與循環(huán)通風(fēng)均可使車(chē)內(nèi)污染物質(zhì)量濃度迅速下降，但自然通風(fēng)方式效果更好天天视频黄色片。