重量容量比 的英文怎麼說
中文拼音 [zhòngliángróngliángbǐ]
重量容量比
英文
weight-to-volume ratio-
Also to get some new conclusion of glacial lakes burst floods, in possibility study of glacial lake burst, and in qualitified study of the safety of the glacial lakes. the first character of this paper introduce the background of this paper, set the goal, content and methodlogy of the study work in this paper. the second chapter of this paper focuses on the meterological character, runoff composition character, why not correspondency of ratio of rainfall and runoff in same period to annual value for nianchu river, lasha river, niyang river and the middle reach of yalu - zangbu river
本文第一章介紹了課題的研究背景,提出了研究目標、內容和方法;第二章重點分析了年楚河、拉薩河、尼洋河和雅魯藏布江幹流中游段的氣候特徵,徑流組成特性,同期降水、徑流占年總量比例的不對應特性和原因,徑流年內年際變化規律及徑流深分佈特性,分析了天然洪水的特點和洪水參數;第三章介紹了冰川終磧湖的特點,結合已經發生潰決的冰川終磧湖的有關調查資料和考察資料,分析提出了危險冰湖判別指標和發生潰決的氣候條件、周期性特徵,提出了冰湖潰決洪水的計算途徑。Along with the a enhancing proportion of hydroelectricity in the whole electricity system in our country, the increase of the single unit capacity, the faults ratio of the large - scale hydropower units is more and more important to the whole system safe operation, if we do n ' t manage it well, it will cause the collapse of the whole system and bring a great loss of country ' s economy, hi addition, accompany with " to dispart plant and grid, connect to the grid according to the price " put into practice, how to control the production cost of the power plant has to be put into consideration
隨著我國水電在系統中所佔比重的增加及單機容量的增大,大型水電站和機組的故障率對系統的安全運行也越來越重要,如果處理不好,甚至會引起整個系統的崩潰,給國家帶來巨大的損失。另外,隨著我國「廠網分開,競價上網」的逐步實施,如何控制發電廠的生產成本,也將提上各個電廠的議事日程。Experiment results show : ? he theory and method of information content could play an important role in the case study on the accuracy and application of dem. ( 2 ) in the loess plateau area, there are much difference between 5m resolution dems of 1 : 10000 map scale and 25m resolution dems of 1 : 50000 map scale while gathering terrain characteristic information, and yet the spatial structure of dem error have discipline and measurability on statistics. ( ? the results could offer fundamentals and methods to people on their work to research the terrain information content of dems with different scale level
研究結果顯示: 1 、地形信息容量的理論與方法對于dem精度與應用適宜性的研究具有重要的作用; 2 、在黃土丘陵溝壑區,同1 : 1萬比例尺5米解析度的dem相比, 1 : 5萬比例尺25米解析度dem在提取地形特徵方面具有較大的差異,但誤差的量值與空間分佈具有統計上的規律性與可估算性; 3 、以上研究結果可望為其它各級比例尺dem地形信息容量的研究提供新的理論基礎與技術方法,也可為有關規范、標準的制定提供依據。The method and performance according to the requirements are resolved mostly. main contents as follows : ( 1 ) according to the demodulation guideline, a differential detection system is applied to the dpsk signal demodulator, which is based on the analysis and comparison using the principle of optimal binary signal detection
著重解決在皮衛星體積結構,重量和功耗限制條件下的方案選擇和性能問題,具體內容包括: ( 1 )對一般二進制信號的最佳檢測原理進行分析比較,針對本系統要求選擇了dpsk信號差分檢測系統的方案。Abstract : an algorithm is presented for better legal solution in detailed placement of large scale mixed macros and standard cells ic design. due to the limitation of computing complexity, an effective and efficient initial placement is very important for detailed placement. novelty of this algorithm lies in a better solution at initial stage by using network - flow method to satisfy row capacity constraint and the thought of linear placement problem ( lpp ) to resolve overlaps. moreover, divide - and - conquer strategy and other simplified methods are adopted to minimize complexity. experimental results show that the algorithm can get an average of 16 wire length improvement on paflo in reasonable cpu time
文摘:以大規模混合模式布局問題為背景,提出了有效的初始詳細布局演算法.在大規模混合模式布局問題中,由於受到計算復雜性的限制,有效的初始布局演算法顯得非常重要.該演算法採用網路流方法來滿足行容量約束,採用線性布局策略解決單元重疊問題.同時,為解決大規模設計問題,整體上採用分治策略和簡化策略,有效地控制問題的規模,以時間開銷的少量增加換取線長的明顯改善.實驗結果表明該演算法能夠取得比較好的效果,平均比paflo演算法有16的線長改善,而cpu計算時間只有少量增加In this paper, a numerical simulation is conducted, which is based on the test data of the model experiment of sloping ground with the help of the marc program. when the bearing capacity characters of level ground and the foundations adjacent to or above slopes are analyzed, the effect is considered, which includes deformation moduli, density, poisson ratio, angle of internal friction, stress - strain relationship, slope angle, relative distance from the edge of slopes and relative depth of footings
本文利用斜坡地基模型試驗的試驗數據,用marc軟體進行了斜坡地基模型試驗的數值模擬,分析了平地地基、臨坡地基和斜坡地基的承載力特性,研究了變形模量、容重、泊松比、內摩擦角、應力應變特性、斜坡坡度、基礎的相對坡頂距及其相對埋深等因素對斜坡地基承載力性能的影響。The work principle of dual stator - winding induction generator system, and the researches on practical application of dual stator - winding generator system are analyzed in detail. aimed at the work condition of wide rotor speed and optimization of static reactive power generator ’ s volume, the performance of dynamic state and static state and optimal control of high - voltage dc generator system based on dual stator - winding induction generator, are studied in this paper. these researches not only achieve the work characteristic of dual stator - winding induction generator system, but also set up the foundation of optimal design of dual stator - winding induction generator and engineering realization of dual stator - winding induction generator system used in wind generating
本文闡述了定子雙繞組發電機的基本工作原理,基於matlab軟體建立了定子雙繞組感應電機發電系統的模型,並在此基礎上詳細分析了定子雙繞組感應電機發電系統的工作機理、影響兩套定子繞組容量比的因素等,從而摸清了該系統的特性,尤其是定子雙繞組感應電機高壓直流發電系統在變轉速、變負載下工作的特性,從而為該系統的工程實現奠定了重要的理論基礎。It is a vane pump with high head, small flow and low specific speed, which is smaller, flight and simpler in structure than positive displacement pump mulfistage centrifugal pump, and may handle liquid of high gas or steam content
該泵是一種高揚程,低比速的葉片泵,比容積式泵和多級離心泵體積小、重量輕、機構簡單等優點,並可以輸送氣體或蒸氣含量較輕的液體。This paper can be mainly summarized in to three aspects as follows : 1. firstly, the paper analyzes the system model of mimo, derive the formulas of channel capacity for the slow flat rayleigh fading channel, analyzes two improtant facts affected the system capacity, and then via the computer simulation we compare the channel capacity between the tranditonal wireless system and mimo system
本文主要做了以下幾個方面的工作: 1 .分析了mimo系統的通道模型,理論推導了慢衰落平坦瑞利通道下mimo系統的通道容量公式,簡要分析了影響系統容量的兩個重要因素並且通過計算機模擬比較了傳統無線系統與mimo系統之間的通道容量。The result showed that appraise and keep the same with traditional output result with weighting related degree to peanut breed, 100 - seed weight, 100 - grain weight, yield per plant, full - pod rate and offer the rice rate are dominant in affecting yield, but main stem height and side branches length are not dominant in affecting yield, the method is simple, easy to master
結果表明:用加權關聯度對花生品種進行評價與用傳統產量比較結果一致,百果重、百仁重、單株生產力、飽果率、出米率在影響產量諸因素中佔主導地位,主莖高、側枝長對產量影響較小,且方法簡單,容易掌握。The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system
實際上,抽水蓄能電站的容量效益與電網的負荷水平、負荷曲線形狀和常規水電的比重有關,而節煤效益除與負荷水平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的動力特性有關。Effects comparison of short - term, high - volume hemofiltration therapy and intermittent hemodialysis on severe pancreatitis patients with acute renal failure
短時高容量血液濾過與間歇性血液透析治療重癥胰腺炎的療效比較In the hillslope, d ( ), c ( ) and k ( ) of soil water have high spatial correlation. d ( ), c ( ) and k ( ) are significant affected by soil water content, capillary pore and sand content bulk density and non - capillary pore aperture are significantly affected on permeability rate. correlation analysis indicates that it is significant correlate
在坡面上,含水量、毛管孔除和砂粒含量對土壤水的擴散率、比水容量和導水率的影響較大;容重和非毛管孔隙對滲透率的影響較大,相關性檢驗達顯著和極顯著水平。This review will discuss the role of epithelial sodium channel ( enac ) and the cystic fibrosis transmembrane conductance regulator ( cftr ) in regulating the fluid volume and composition of the reproductive tract and their importance in various reproductive events such as sperm capacitation and implantation
本綜述著重探討了上皮細胞鈉離子通道和囊性纖維化跨膜電導調節體對雌性生殖道內液體容量和成分的調節以及它們在不同生殖事件,比如精子獲能及著床中的重要作用。The time required to rebuild the indexes is likely to be longer than the time saved during the bulk operation
重新生成索引所需的時間很可能比大容量操作節省的時間更長。The time required to rebuild the indexes might be longer than the time saved during the bulk - import operation
因為重建索引所需的時間可能要比大容量導入操作期間所節省的時間更長。The results indicated that liangyoupeijiu showed better plant and leaf type, higher ratio of grains to leaf area and larger photosynthesis area, stronger ability of population dry matter accumulation during the period of vegetative growth especially from heading to being mature, longer leaf duration and grains - filling after heading than that of its parents and controls s ; more grains per panicle, lager all sink per plant and 1000 - grain weight
結果表明:兩優培九株葉型好,粒葉比和光合面積大,營養生長期群體干物質積累能力強,始穗后葉片功能期長、籽粒灌漿持續時間較長,抽穗期至成熟期的干物質增量明顯強于其親本和對照組合;穗頸節間維管組織比親本及對照發達;兩優培九單株總庫容量大,每穗實粒數多,千粒重較大。Then we conclude that the cell capacity decrease dramatically under the high bit rate service ; the interference factor of ajacent cells and the orthorgonal factor are also important parameters to influence the cell capacity ; the downlink can accept more users than uplink, so the capacity of wcdma system will be limited in uplink
從中得到結論,高數據速率的用戶將會佔用更多的系統資源,當數據業務增多時,小區用戶數下降很快;鄰近小區的干擾與正交性的優劣也是影響小區容量的重要因素;下行鏈路可以比上行鏈路容納更多的用戶,因此wcdma系統的容量將受限於上行鏈路。The unconfined compressive strength, shearing strength and permeabi lity of stabilized soils were tested in laboratory, the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared. the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil. with the increase of water content, porosity ratio, degree of porosity, plasticity limit, liquid limit and liquid index, the compressive strength of cement - sodium silicate - stabilized soil decreases, while increases as the bulk weight and compressibility modulus
通過對水泥?水玻璃加固土的無側限抗壓強度試驗,以及用不同酸堿性水製成與養護的固結土所進行強度對比試驗,得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系,即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加,水泥?水玻璃加固土的抗壓強度相應地降低;而隨著原狀土的容重、壓縮模量的增加,水泥土的抗壓強度也隨之增加。Applying rfid ( radio frequency identification ) tag in object network, compare to conventional bar code, and the rfid tag has several advantages. such as faster scanning, repeatedly using, un - obstacle reading, huge memory capability, security
將rfid ( radiofrequencyidentification )標簽應用在物聯網中,與傳統條碼相比,它有快速掃描,重復使用,無障礙閱讀,記憶的數據容量大,安全等優點。分享友人