TILT ROTORCRAFT : An aerodyne which derives the whole or a substantial part of its lift for vertical or hovering flight by tilting rotor upward to a position substantially vertical, and in forward flight derives its lift from rotors and/or wings, and is capable of autorotation in the event of power failure.

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The effect of tribology factors on bearing vibration is studied experimentally. AR model and WPT are used to processing the normal arid abnormal signals. The results are as follows:1. The vibration of ball bearings is caused by the tribology action of contact pairs of ball and ring races and has the essential of tribo-dynamics. Any factors affecting the tribology characteristics of contact pairs will affect vibration and noise of bearings consequently.2. Vibration characteristics of bearing keep almostly unchanged with the increasing of axial load expecting the increasing of nature frequencies. When radial load increasing with axial load unchanged, nature frequencies keep unchanged but some new vibration peaks appears in the spectrum.3. Vibration amplitudes are damped and nature frequency are enhanced with sufficient lubrication. Vibration and noise of bearings increase obviously and roar can happen and the contact surfaces scratch slightly under insufficient and unclean lubrication state. Bearing will be disabled in a few minutes without any lubrication.4. Bearing vibration is unstable under low speed. With the speed increasing, the vibration become stable and natural frequencies increase slightly but the amplitudes increase apparently.5. Bearing vibration can be excited only by some harmonics ofwaviness without lubrication and by all harmonics with lubrication based on the theoretical analysis.6. The nature frequencies of ball bearings decrease with the increasing sizes. When international clearance increasing, nature frequencies decrease in radial and increase in axial and angular and the amplitudes increase in radial and decrease in axial and angular. When the number of balls increasing, nature frequencies increase and amplitudes decrease. When the pitch diameter increasing, axial nature frequency increase and others nearly keep no change. When outer race groove curvature radius increasing, nature frequencies increase in radial and decrease in axial and angular and amplitudes keep no change in radial and increase in axial and angular. When inner race groove curvature radius increasing, nature frequencies decrease and amplitudes increase.7. The distortion in amplitude and frequency components of bearing vibration signals picked up by the present probe measurement method is founded and right conclusions cannot be achieved by the signals. When accelerometer is rigidly screwed with steel stud onto a flat outer surface of a ball bearing, vibration signal can be got without distortion and the reliability of research on bearing vibration is assured.8. AR model is suitable for large samples of bearing vibration signals, square root of length of samples can be used as the upper limitation of order determination and the FPE order selection criterion is effective. Many advantages of AR spectrum are founded over the classical based on FFT.9. Time-Frequency analysis is necessary for abnormal noise of ball bearings. WPT overcomes the principle shortcomings of STFT and proved to be a best tool to process the abnormal signals.

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Capacitive current density not only increases in the presence of additives due to increase in overpotential but also increases with increasing capacity of double layer.

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Enterprise innovation means reallocation of the social and economic resources so that these resources can be used more efficiently.

企業(yè)創(chuàng)新是企業(yè)為更有效地利用社會經(jīng)濟資源而對現(xiàn)有資源進行新的組合或配置国产合集，其結(jié)果可以是使單位產(chǎn)品成本降低99日视频这里只有精品，也可以是使產(chǎn)品需求上升導致產(chǎn)品價格上升。

The velocity of updraft is increased by the action of electric field force.

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It was found that La〓 does not affect the binding affinity between calmodulin and Polistes Mastoparan, a known calmodulin binding peptide, neither the conformation of the ternary complex. Excessive amount of La〓 result in the decrease of the binding constant and the disrupted conformation. The binding affinity of La〓 to calmodulin increased in the ternary complex (La〓-CaM-Mas/Mas X), which suggested the coordination between the two global domains. The binding priority between the two global domains is also changed: La〓 more is likely to bind to the C-terminal of calmodulin than to N-terminal, thus facilitates the binding of Mas/Mas X to the C-terminal of calmodulin as the first step of the Mas/Mas X binding.

在以鈣調(diào)蛋白結(jié)合肽—Polistes Mastoparan和Mastoparan X為對象的研究中18在线观看黄片，我們發(fā)現(xiàn)就去色色五月天，除非過量，否則La〓的存在不影響鈣調(diào)蛋白與Mas間的結(jié)合常數(shù)以及構象亚洲毛片无码一区二区；過量的La〓（La〓/CaM摩爾比＞4）將引起鈣調(diào)蛋白結(jié)合功能的下降免费一级欧美大片在线观看，同時明顯改變金屬-鈣調(diào)蛋白-Mas三元復合物的構象；La〓對Ca〓CaM-Mas的N末端表現(xiàn)高度選擇性午夜国产性爱影视在线超黄超污A片，顯示了在三元復合物中兩種離子間的協(xié)同效應欧美一级A片又大又爽；在三元體系中，La〓與鈣調(diào)蛋白的親和力明顯上升国产55成熟老妇女，而且親和力上升的程度因鈣調(diào)蛋白結(jié)合肽的不同而有明顯差異色8久久综合九色综合欧美9，顯示了作用的選擇性；Mas和MasX的存在改變了La〓在鈣調(diào)蛋白上的結(jié)合順序人人操人人干人人擦，La〓很可能優(yōu)先與C末端結(jié)合精品区二区三区免费A片视频，從而使Mas/Mas X首先與C末端結(jié)合，該順序與鈣離子相同干少妇33P图；La〓的參與使三元復合物在動力學上更加穩(wěn)定国产一级一区真人无码播放视频。

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However, in large differential pressure operating conditions, evaporation pressure has eased, the evaporator load requirements of the fluid volume decreased, but the actual situation the contrary, in the suction superheat unchanged, due to evaporation pressure has eased, the evaporator outlet pressure be reduced accordingly, pressure changes above and below the diaphragm, causing the main valve opening increases for increased fluid; but in a small pressure operating conditions, evaporation pressure rise, evaporator load demand for fluid volume increased, but the reality is that in the suction gas superheat unchanged, due to evaporation pressure rise, a corresponding increase in the evaporator outlet pressure, pressure difference above and below the diaphragm smaller, so that the main valve opening decreased for the reduction of liquid volume; in variable load is all about.

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ascensive ive：的 上升的,使上升的

ascension ion名詞后綴 上升,升高 | ascensive ive ...的 上升的,使上升的 | ascent ascend轉(zhuǎn)成的名稱 上升,升高登高

bring up against：使面對

bring round 使復蘇 使恢復健康使相信 說服 使改變觀點順便把(某人)帶來作客 | bring up against 使面對 | bring up as far as 使上升到

But crucially, to keep the temperature rise within 2 degrees：重要的是,想要使溫度上升幅度在2度之內(nèi)

just as rapidly to sustainable levels about an 80% cut ... | But crucially, to keep the temperature rise within 2 degrees,|重要的是,想要使溫度上升幅度在2度之內(nèi), | this point of stabilization need to be...

drive up：抬高,使...上升

drive off 開走,擊退 | drive up 抬高,使...上升 | fall back on 求助于,轉(zhuǎn)而依靠

escalate i：逐步升高, 逐步增強 t. 使逐步上升

543. erythrocyte n. [醫(yī)]紅血球 | 544. escalate i. 逐步升高, 逐步增強 t. 使逐步上升 | 545. esophagus n. 食道

hoick：[使飛機] 急劇上升

hohmannite /褐鐵礬/ | hoick /[使飛機] 急劇上升/ | hoicks /激勵獵犬之喝聲/

upheave：舉起, 推上去使上升, 隆起

rebuttal 反駁:反駁的行為 | upheave 舉起, 推上去使上升, 隆起 | upheaval 劇變

upheave：推上去使上升

upgrowth 發(fā)育 | upheave 推上去使上升 | upholster 裝潢

uplifted：使上升/隆起

29.equinox 春分/秋分 (n.) | 54. uplifted 使上升/隆起 (v.) | 30.astronomical 天文(學)的 (adj.)

send stress rocketing：使壓力急劇上升 注:rocket"發(fā)射火箭" 比喻壓力如同火箭發(fā)射般急速上升

perfectionist n. 完美主義者 | send stress rocketing 使壓力急劇上升 注:rocket"發(fā)射火箭" 比喻壓力如同火箭發(fā)射般急速上升 | your to-do list 你所需完成之事