First in an 150 - 550 temperature range, the influence of oxygen concentration, space velocity and propene concentration on the no conversion was investigated and then also the macro kinetics of propene oxidization and no reduction
本文研究了在pt al _ 2o _ 3催化劑上進行的hc - scr反應,用以稀燃發動
機尾氣的治理。首先在150 - 550溫度范圍內考察了氧氣濃度、空速及還原劑濃度對no轉化的影響。
The european company hopes to use the technology on its planned a380 superjumbo jet, which is expected to generate strong wakes that may otherwise last 30 percent longer than those of the largest current airliners
空中巴士公司希望在目前研發中的超級巨無霸客
機a380上使用這技術,不然這種新世代巨無霸客
機製造的強大
機尾亂流,綿延的長度將比目前最大的客
機製造出來的要長30 % 。
The high sensitive infrared detection and the telecamera with telescope are installed on the satellite. the infrared detection can detect the enemy missile ’ s infrared radiation and sound alert signal when the missile flies upward after it ’ s launched from on the surface or underwater
衛星上裝有高靈敏度的紅外探測器和帶望遠鏡頭的電視攝像
機,在敵方從地面或水下發射導彈后數十秒內,紅外探測器即可探測到導彈上升段飛行期間發動
機尾焰的紅外輻射,並發出警報。
Comprehensiveing puting face to carry tail techni que that pays toprotect triangle area of top end and pare off trigger machine tail fixedly
綜放面端
尾架支護上端頭三角區和固定刮板
機機尾的技術
Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow
波音公司則利用現成的
機翼與
機尾控制面,讓它們互相協調、上下移動20度,以擾亂渦流。
Questions about whether the adsorbent is endurable and whether the adsorption refrigeration equipment has effect on the performance of diesel are answered with theoretical analysis and test. numerical simulation is used in optimum design of adsorbent bed of an adsorption refrigeration prototype which is driven by exhaust heat of gas electric generator
分析了吸附製冷系統是否增加內燃
機能耗和吸附劑使用壽命等問題,並採用數值模擬方法,對以燃氣渦輪發電
機尾氣為熱源的吸附式製冷樣
機,進行了吸附床結構的優化設計。
Because wake vortices can persist in calm air for several minutes ( extending for as far as eight miles ), the federal aviation administration requires minimum distances between aircraft, based on size
機尾渦流可以在無風的空氣中停留幾分鐘,向後延伸達12公里,所以美國聯邦航空總署按照飛
機大小而規定了飛
機之間的最小安全距離。
Design of mobile belt tail pieces ' pedestal main girder for large carrying ability and long carrying distance belt conveyer
大運量長運距帶式輸送
機自移
機尾基架主梁的設計
In the page # 2 you can see the tail group assembly and how it is fasten to the boom tube
在第2頁中你能見到在
機尾部分如何固定到吊桿管的裝配。
Why did the 4 - 5 fire fighters go to the bus ( tail section ) without a handline
為什麼4 - 5名消防走向大巴(飛
機尾部)而沒有攜帶手持水管?
A funnel - shaped or cone - shaped device towed behind an aircraft as a target
飛
機拖靶拖在飛
機尾部用作靶子的漏斗形或錐形裝置
And - and while the port area ofthe tail unit is intact.
機尾的
機舵沒有損壞. .
And - and while the port area ofthe tail unit is intact
機尾的機舵沒有損壞