消減比率 的英文怎麼說
中文拼音 [xiāojiǎnbǐlǜ]
消減比率
英文
extinction ratio-
In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly
與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple
現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： （ 1 ）去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等； （ 2 ）低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； （ 3 ）高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； （ 4 ）由於沒有機械換向部分定子的結構簡單了。The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination
對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性The results derived from comparison experiments indicate that various performances of the diesel engine adopting the best project is better than those of the previous intake manifold. especially at the rating, the volumetric efficiency and power increases by about 5 %, exhaust temperature decreases by 50, 4. 3g / kw. h fuel consumption is reduced, o. srb smoke emission is cut down
試驗表明：該方案與原機進氣系統方案相比，其各項性能指標均有不同程度的改進：在標定點的充量系數和功率提高了將近5 ，排溫下降了50 [ ] ，燃油消耗率減少了4 . 3 [ g kwBecause the concentration of zirconium in uranium has large ranges, from 1. 50xlo ' 6 - 3. 8g / gu, not only how to decrease the remainder of uranium to eliminate its determinate effect but also how to acquire higher recovery of zirconium is considered, so the method of silica gel, the method of tbp levextrel resin chromatography, the method of tta chromatography and the method of tta extraction are compared. then tta extraction is chosen to acquire the ideal separation purpose. compared with icp - ms and icp - aes, xrf has characters of high repeatability, stability, low cost, high concentration elements analysis, the ability to determinate solid sample and having comprehensive practicability, but xrf has lower sensitivity, so how to increase the concentration of the sample to acquire better precision is a difficult problem, the optimum of operating condition : the integral time of spectral lines is 60s, the integral time of background lines is 20s, the voltage of xrf is 50kv, the electric current is 50ma
由於鈾中鋯的含量范圍很廣，從1 . 50 10 ~ （ - 6 ） 3 . 8g / gu ，在分離和測量時，既要考慮盡量地減少鈾的殘留量以消除鈾對鋯測量產生的影響，又要獲得鋯的理想的回收率，因此本文在分離方法的選擇上比較了硅膠吸附分離法， cl - tbp萃取色層法， tta萃取色層法和tta萃取分離法的優缺點，認為tta萃取分離法可以達到理想的分離效果。Compared with natural ventilating up - draft barn, the common curing barn installed with " automatic controlling temperature and forced humid air exhausting apparatus " can enhance evidently superior leaves ratio, average price and income of raw tobacco, decrease evidently substandard tobacco leaves ratio, lighten work hardness, shorten curing time, reduce fuel consumption, save labor power and reduce curing cost
摘要普通烤房安裝「烤煙自動控溫強制排濕裝置」后，與自然通風氣流上升式烤房相比，烤后的煙葉在上等煙率、均價、收益等方面都有明顯提高，級外煙明顯減少，此外，還能降低勞動強度，縮短烘烤時間，減少燃料消耗，節約勞動力，降低烘烤成本。Derate the maximum temperature by 2 degrees per watt of dissipation of customer installed components
總體奈溫幅度的縮減量與消費者每安裝一個組件/設備/程序等所損耗的功率數之比為二比一。The result shows the high performance concrete ( hpc ) with low w / b normally has denser surface, consuming the ca ( oh ) 2 by pozzolanic reaction and low permeability, which are allowed to restrain effectively the neutralization to decrease the cracking for better durability on concrete
結果顯示，以低水膠比之高性能混凝土，介面頗為緻密，卜作嵐反應消耗氫氧化鈣，低滲透性等直接有效的抑制混凝土的中性化，可減低裂縫機率，進而提升混凝土的耐久特性。Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived
首先，分析了紅外波段大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性，建立了目標表現觀對比度模型，並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。Using the order - up - to ( out ) method and two demand forecasting patterns, that are exponential smoothing forecasting and moving average forecasting, we give the frequency response plot and the noise bandwidth figure with the help of the system control tool of matlab. we show that information sharing helps to reduce the bullwhip effect, especially at higher levels in the chain. however, the bullwhip effect problem is not completely eliminated and it still increases as one moves up the chain
本文的重點內容就是用控制論的理論和方法來研究牛鞭效應，應用補充到目標庫存策略（ out ）和兩種不同的需求預測方法，即指數平衡預測法和移動平均數預測法，用matlab的系統控制工具箱作為分析工具，分別給出了信息共享情況下和無信息共享情況下的頻率響應圖和帶寬比較圖，證明了信息共享能夠減弱牛鞭效應，尤其是在供應鏈的高級階段，但牛鞭效應並不能完全消除，仍舊隨著供應鏈階段的上升而增加。Two rates are usually suggested, both of which are linked to the notion of an opportunity cost : ( 1 ) the rate of return that could be obtained if the funds were invested in another project, and ( 2 ) the amount people feel they are giving up because consumption today has been reduced
通常建議的比率有兩個，都與機會成本的概念有關： （ 1 ）如果將這筆經費投資于另一個項目所能得到的資本回收率； （ 2 ）由於減少現時消費人們感到他們所放棄的利益。Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great
採用雙向楔形壓制，大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時，大的孔洞變形破碎為小的孔洞，或呈線狀孔;隨著高向變形量的增加，顆粒進一步變形，孔洞進一步破碎，大孔「吞併」小孔，小孔塌陷並逐步消失;當高向變形量達到60 %時，孔洞量大為減少，材料基本緻密，組織趨于均勻，楔壓坯料的密度、硬度變化曲線接近水平線，坯料的相對密度達99 . 7 % ，抗拉強度_ b = 408mpa ，屈服強度_ （ 0 . 2 ） = 289mpa ，延伸率= 13 . 6 % ;對比其它的壓制溫度，在450楔形壓制的坯料組織均勻，孔洞及顆粒邊界基本消失，顆粒之間冶金結合良好。The expansion and strength of middle strength superplasticized expansive concrete develop more coordinately. fa reduces the early strength of middle strength superplasticized expansive concrete, and this make more expansion become invalid when the concrete is in plastic state
中強流態膨脹混凝土的膨脹與強度性能發展比較協調，粉煤灰的加入降低了早期強度，使更多的膨脹變為無效膨脹消耗在仍處于塑性狀態的混凝土中，混凝土限制膨脹率減小。The following specific goals are expected to reach under the sustained energy development strategy : energy consumption of per unit gnp will be reduced by 20 % on the level of the end of the 10th five - year plan ; primary energy demand will be less than 2. 5 billion tons of standard coal by 2020, saving 0. 8 billion tons ; coal consumption ratio is controlled under 60 %, renewable energy utilization reaches 525 million standard coal ( power generation by renewable energy stands at 100 million kilowatt ) ; oil importing reliance is controlled under around 60 % ; the reduction rate of main pollutants is 45 % - - 60 %
通過實行可持續發展的能源戰略，有望達到如下理想目標：單位國內生產總值能源消耗比「十五」期末降低20左右；到2020年一次能源需求少於25億噸標準煤，節能達到8億噸標準煤；煤炭消費比例控制在60左右，可再生能源利用達到5 . 25億標準煤（其中可再生能源發電達到1億千瓦） ；石油進口依存度控制在60左右；主要污染物的削減率為45 ? 60 。Provided the managers " stockholding ratio is increased, the managers " on - the - job consumption and the agent costs will be reduced, and corporation governance merits will greatly be raised
只要增加管理層持股比率，就會減少管理層的在職消費，降低代理成本，大大地提高公司治理績效。Ergonomic features : reduced torque reaction and vibration, light weight, quieter operation, high power to weight ratio, comfortable trigger and grip
人工控制特點：減少扭矩的反作用力和震動，輕質，消音操作，高能效比率，扳機抓握舒適。The computational cost involved no longer increases exponentially with the number of vertices of the meshes to be fused. ( 2 ) the algorithm is robust as the ambiguity in graph structure combination is alleviated. ( 3 ) the detail of the cut mesh is fully kept
與原有的基於全局調和映射的融合方法相比，新方法具有以下優點： （ 1 ）演算法效率大幅度提升，求解時間不再隨融合模型頂點數的增加而指數增長； （ 2 ）減少了二維網格拓撲合併中奇異情況出現的概率，提高了演算法的穩定性； （ 3 ）被剪切網格的細節得到完整保留； （ 4 ）消除了原演算法對融合區域拓撲的限制。It can separate the real signal from noise signal effectively and attains the purpose of de - noise by using time - frequency localizing anslysis, local feature abstract, time - change filter wave, restraining or attenuating some frequency range and other characters of wavelet. furthermore, the ratio of signal to noise has been improved greatly and it is not affected by signal state
而利用小波分析的時頻局部化分析、局部特徵提取和時變濾波、抑制或衰減某些頻率區間等特點，能更有效地把真實信號和噪聲信號區分開來，達到消除噪聲的目的，並且這種方法恢復的信號，信噪比有明顯的提高，還不受信號的狀態的影響。The computer simulation shows that the proposed algorithm is better in both restoration ratio and restoration speed than the existed conventional ones. in the quantity of message during restoration processing, the improved algorithm is also better than the old one
計算機模擬表明，所提改進演算法的恢復率和恢復速度都優于傳統演算法，比改進前的一次函數評估法也有所改善，尤其是在恢復過程中的消息數，得到了進一步的削減。Compared to stamping single product, it improves deep drawing conditions, enhances productivity and reduces scrap consumption
與單個零件的沖壓相比，成雙沖壓改善了拉深條件，提高了生產效率，減少了材料消耗。分享友人