減重孔 的英文怎麼說

中文拼音 [jiǎnzhòngkǒng]
減重孔 英文
lightening hole
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 減重 : dockage
  1. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  2. Check the state of the straw separated : if the straw is seriously broken, the cylinder and the concave must be adjusted to lessen excessive threshing ; if the straw is complete and unbroken, the quantity of wind shall be increased to make the chaff on the sieve surface the state of floating or the opening of the chaffer shall be slightly increased to make the grain fall through the sieve

    檢查單個稻草的狀況：如果稻草嚴重受損，必須調節滾筒和凹面以減小脫粒過猛；如果稻草完好無損，則必須增大風量使得谷篩表面的廢渣飄浮起來，或者慢慢加大谷篩孔，使得穀物穿過谷篩。
  3. Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high

    通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析，得到：撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角，噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高，撞針型結構提高了霧化加濕效率，高壓小孔徑的特點為霧化加濕提供了較大的能量，而噴水初溫的升高會減小水的粘性力和表面張力，從而優化加濕效果。
  4. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。
  5. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。
  6. The gravity of the star would slow time near that wormhole mouth, so that a time difference between the ends of the wormhole would gradually accumulate

    中子星的重力會使蠹孔開口處的時間減慢，這樣就會使蠹孔兩端的時間差逐漸累加。
  7. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  8. Boring, grouting and finally forming an impervious curtain in the rock mass with cracks, that is one of the most popular methods of the foundation seepage control at hydraulic and hydroelectric engineering

    採用鉆孔水泥灌漿封堵巖體中的縫隙而形成阻水帷幕，達到減少滲漏量和降低滲透壓力的目的，是水利水電工程基礎處理的重要手段之一。
  9. The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer

    指出由於介質的各向異性，盡管忽略了流體粘度引起的粘度耗散，正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合，為非均勻波，最大的衰減不再沿波傳播方向。
  10. New chain type with stress analysis application and the design of optimized weight reducing hole, providing light weight features ; with this type of chain construction, chain can still maintain the original strength ; the chain weight is reduced by 22 % compared to the traditional one

    新型鏈應用應力分析，設計最佳化的減重孔，以達到最節省材料，且鏈條本身結構能保持原有強度，且重量較傳統鏈條減輕22 % 。
  11. Aimed at some problems such as short spraying distance, electricity - leaking and reverse ionization among electrostatic nozzles existing in the country, a induction charging and pneumatic energy electrostatic nozzle was designed. the basic designing theories, structure and working process of this nozzles were theoretically specified in the paper. and then the atomization quality and charge performances of this nozzle and its affecting factors were studied by carrying out performance experiment and statistic analysis. result of the studies indicate : ( 1 ) some progress were made in solving the problems list above ; ( 2 ) from this nozzle, droplet were minute and uniform, and higher charge - mass ratio can be obtained under lower electrostatic voltage, thus the atomization quality and charge performance of this nozzle were both better ; ( 3 ) within the experiment extend, air pressure at 0. 2mpa, electrostatic voltage at 2400v were the most suitable parameters for the nozzle ; ( 4 ) the regression equations for describing droplet size, intensity of spray current and charge - mass ratio of this nozzle obtained from the experiment data had higher forecast precision ; ( 5 ) cross - effect of all factors were not significant, the atomization quality and charge performance were relative dependency affected by the factors

    諸試驗因素中，充電電壓和噴孔直徑對霧滴荷質比均有極顯著的影響；氣體壓力和液體流量對霧滴荷質比的影響均不顯著；影響霧滴荷質比的主要因素依次為充電電壓和噴孔直徑; （ 8 ）在300v 、 600v 、 1200y 、 1800y 、 2400v 、 3000v六種充電電壓t ，霧滴荷質比先隨充電電壓的增加而增大， 2400v后荷質比減小，推測:對于所研製的噴頭可能存在一個最佳充電電壓; （ 9 ）由充電電壓和噴孔直徑的不同搭配所得霧滴荷質比不同這一結果，可看出，較大充電電壓需配備較大噴孔直徑以增強霧滴荷電效果; （ 10 ） td3 . 6和td3 . 4兩噴頭的霧滴荷質比曲線趨于重合，說明噴孔直徑大於滬3
  12. Based on the experiment concerned, it is found that the effective way to solve the problem is to decrease the amplitude of vibration and lower the effect from the vibrator on the surrounding sand layer under the condition that a certain exciting force can be guaranteed ; in which larger amount of water and higher water pressure are needed to saturate the sand layer, and then to make hole under the strengthened vibrating effect from the vibrator as well

    通過試驗，尋求到解決振沖施工造孔難的有效途徑是，在保證一定激振力的情況下，適當減少振幅，以降低振沖器對周圍砂層的影響；採用較大水量和水壓，使砂層飽和，並在加重振沖器的振動作用條件下造孔。
  13. Flow of block avalanche soils is caused by the resistance reduction due to pore water pressure. the supernormal pore water pressure between the block avalanche soils and underlay reduces the weight of block avalanche soils as well as the resistance between the block avalanche soils and underlay

    塊狀崩塌土快速加載使其與下墊層之間出現超載孔隙水壓力，且不能及時消散，減小了塊體的有效重量，達到了減阻作用，其流動化機理為壓差減阻。
  14. The research of patch antennas based on photonic - bandgap ( pbg ) structures is a relatively new area. the goal is to improve the performance of the patch antennas by using the special features of pbg structures. though some good research results have been obtained by scientists in the world, there still exit some problems to be solved for improving the performaces and reducing the size, weight and cost

    雖然國內外已經在基底鉆孔型、地面腐蝕型、高阻抗表面型、 uc - pbg型、覆層型和軟表面型電磁（光子）晶體貼片天線等方面開展了研究，但是在這些研究中還遺留著多方面的問題有待解決，以顯著改善天線的性能指標，減少天線的體積，重量，降低天線的加工費用等。
  15. 5 mast can be fixed on staging immediately without drill frame with auxiliary parts horizontal axle and buckles, which makes it possible for greatly reducing rig weight and fast moving

    5鉆機桅桿上預留固定安裝孔，可以無需機架直接通過輔件橫軸及扣件安裝在腳手架上，使重量大大減輕，移機快捷方便。
  16. The author, applying the program of ansys, built a nonlinear model of rc bi - direction cellular slab, and, from the comparison of equivalent - span and equivalent - thickness solid plate, drew several important conclusions. meanwhile he also pointed out that the stiffness of cellular slab would become weaker because of the holes of cross - section which make the tare weight 40 % down comparing to solid plate, but if the weakness of tare weight was considered, the cellular slab still remained the excellent features of integration and stiffness, by which the cellular slab can be put into use of large - span

    本文利用有限元程序ansys ，建立了鋼筋混凝土雙向空腹板的非線性計算模型，並和等跨等厚度實心板進行分析對比，從而得出了一些重要結論，指出：在空腹板自重比實心板減少40左右後，空腹板的剛度雖然由於截面的開孔而削弱，但考慮自重減少后，空腹板仍表現出整體性好、剛度大的特徵，從而實現較大跨度樓板的工程應用。
  17. Adopting the deformation harmony theory, the numeric calculation of the curve of load versus settlement is made. the fitting results between the calculated curve of load - settlement and the measured one of piles with different construction process are illustrated. hence, under the condition of few or no static load test data, the performance of bearing capacity of single bored pile in loess may be predicted utilizing indexes of shear wave velocity, static cone penetration test and modification coefficient of depth, so it is remarkable to reduce the blindness of preliminary design of pile

    通過室內試驗及原位測試指標進行理論計算與現場實測值的對比，筆者引入了施工工藝修正系數k _ （ c1 ）和k _ （ c2 ）及深度修正系數，使理論計算值與現場實測值具有良好的一致性，進而通過變形協調理論對荷載?沉降曲線進行數值計算，並用不同施工工藝的實例說明了理論計算荷載?沉降曲線與實測荷載?沉降曲線的擬合效果，從而達到可在不做靜載荷試驗或少做靜載荷試驗的情況下通過剪切波速和靜力觸探試驗指標以及施工工藝修正系數等預測黃土地基中鉆孔灌注樁承載性狀，這對于工程初步設計中減少設計的盲目性具有十分重要的現實意義。
  18. In this thesis, impsar b - p is focused and modified wi th the considerations of the electromagnetic wave dispersion, synthetic aperture windowing and iq channel realization in real time applications

    在對impsarb - p演算法分析的基礎上，提出了改進演算法以反映電磁傳播的衰減和對合成孔徑域的加權，這在近場應用中是非常重要的。
  19. Abstract : metallic foam or porous materials were developed at the end of the 80 " s and applied to industry at the beginning of the 90 " s. they have excellent physical properties, especially damping characteristis, so they are widely used for vibration insulation, noise elimination, electromagnetic screening and so forth. a description is given of the “ casting and foaming ” method for the fabrication of these metallic foams, and a detailed account of their mechanical and damping properties

    文摘:金屬泡沫或金屬多孔材料是80年代後期國際上迅速發展起來的一種物理功能與結構一體化的新型工程材料.它所具備的多種優異物理性能特別是阻尼性能已引起廣泛關注，並在消聲、減震、分離工程、催化載體、屏蔽防護、吸能緩沖等一些高技術領域獲得了廣泛應用.文章著重介紹了鑄造發泡法製造鋁泡沫材料的技術難點.對金屬泡沫材料的力學性質和阻尼特性進行了詳細介紹.為金屬泡沫材料開發、應用提供基礎知識和信息
  20. ( 1 ) car body stands in quite identical stress level by decreasing the thickness of plates, ameliorating structure and so on in strength affluence position under five cases ; ( 2 ) without changing stress distribution, holes are dug in bearing the weight of positions by wiped off material in order to decrease weight

    （ 1 ）在強度富裕處通過降低板厚、改進結構等手段，使得整車在強度規范的五種工況下，各處均處于較為相當一致的應力水平； （ 2 ）在各種承載部位，在不改變其應力分佈的前提下開設減重孔，利用去除材料來達到減重的目的。
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