水的壓縮系數 的英文怎麼說
中文拼音 [shuǐdeyāsuōxìshǔ]
水的壓縮系數
英文
water compressibility-
On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration
在hsfab的研究方面,通過兩種體系hsfab (即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系)的配方優化設計,使之具有良好的社會、經濟和環境效益;在高摻量工業廢渣的前提下,根據各種原料的特性,對其採用不同的活化技術,使其具有較高的活性;自研的外加劑f ,對hsfab製品的物理力學性能和耐久性能均有明顯的改善作用,尤其是對製品的乾燥收縮性能有顯著的抑制作用;通過對工藝參數的研究,結合實際生產普遍存在的問題,選取了hf - 1100系列全自動液壓墻體磚壓機,有效地解決了傳統制磚過程中常見的成型壓力低、生產效率低、產品合格率低(即「三低」現象)等問題。For the real time performance need of the low speed speech compress algorithm and the asic implement of the transfer process between programs, the design is put forward in the paper, in which state registers control the cross access between operator and memory, register windows are used for the parameters transfer, and the technique of hardware controlling is used to avoid pipeline conflict, so that the main problems of the transfer process in tr600 are solved effectively
摘要針對低速率語音壓縮演算法對處理器系統實時處理復雜運算的性能要求,就程序調用過程的asic實現問題進行了對比與分析,進而提出了用層次狀態寄存器控制存取運算元對存儲體交叉訪問的方法,並結合運用寄存器窗口傳遞參數的功能,以及利用空指令硬布線處理流水線沖突的方法,有效地解決了tr600晶元中調用過程存在的主要問題。As to the experimental study, a test system was designed firstly, which include propellant feed system, cooling system, controlling system and measure system. secondly, a test engine was designed according to the experimental requirement. on this basis, experiments under different working conditions were done, and the results of them were analyzed, which showed the combustion efficiency and stability
實驗方面,首先設計了針對三組元發動機推力室工作過程進行試驗的試驗系統,包括推進劑供應系統與冷卻水供應系統、控制系統以及壓力、溫度、流量的測量採集系統;其次,設計出符合試驗要求的縮尺發動機;最後針對所設計的試驗系統和發動機,進行了不同工況的試驗,對所得數據進行了分析處理,得到了不同工況下燃燒效率和燃燒穩定性特性。In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages
本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角度綜合評價,得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂程度,從而提高了路面的耐久性。Two test methods are employed : one is loading the samples before thawing, and the other is loading the samples after completely thawed. the coefficient of thaw settlement as a function of granule, as a function of water, and also as a function of dry density are protracted ; besides, the consolidation coefficient of thawed samples as a function of granule, as a function of water, and as a function of dry density are protracted. we can discover from the test results that the thaw - settlement coefficient and the consolidation coefficient of thawed samples are mainly relevant to the granule, dry density and the water content they have little to do with the geology and geography factor of the frozen soils
為了研究季節凍土區工業民用建築的基礎淺埋穩定性問題,特開展了有關季節凍土的融化壓縮特性的研究,先後在內蒙古農業大學三個比較典型的建築地點取了將近三百個試樣,在室內進行試驗,採取兩種試驗方法即先融化后壓縮試驗法和同時融化壓縮試驗法,通過對這三個不同地點的兩種不同的試驗方法的試驗結果進行對比分行,分別繪制了融沉系數與凍土的含水(冰)量、干容重以及顆粒級配的關系曲線;融化壓縮系數與凍土的含水(冰)量、干容重以及顆粒級配的關系曲線,由試驗結果發現凍土的融沉系數和融化壓縮系數都與凍土的含水量呈正向相關關系,可近似的用線性方程來表示;兩種實驗方法的總沉降量與凍土的含水量呈正向相關關系,與凍土的干容重呈反向相關關系,也可以近似的用線性方程來表示。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。A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance
加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ;減少了累計凝結量67以上;降低蒸汽流能量的傳遞,使表面溫度波動顯著降低;減少了熱水層的厚度;減緩了蒸汽凝結的劇烈程度,大大縮短了系統壓力平衡需要的時間。The design model of seawater desalination with the tvc falling - film evaporation process was deduced. the transfer coefficient of falling - film evaporation process was analyzed in detail. and the effect of the parameter change of process steam to the operation of the device was calculated and discussed
本文主要開展tvc壓縮蒸餾海水淡化技術研究,建立了tvc壓縮噴淋降膜蒸餾海水淡化裝置的設計模型,對降膜蒸發過程的傳熱系數進行了詳細的分析,並對工作蒸汽參數變化對裝置運行的影響進行了分析計算。The amounts of fault signal records are increasing rapidly with the elevation of fault monitoring level, which leads to troubles for data transmission and storage, therefore the research of data compression is paid more and more attention
摘要隨著對電力系統故障過程監控水平要求的逐步提高,急劇增大的故障錄波器數據量給數據傳輸和儲存帶來了很大的困難,因此數據壓縮也越來越受到人們的關注。Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between mach number and compression ratio are analyzed ; the time - averaged pressure profiles of different air concentration in cavitation erosion region are measured, the variations of the pressure with air concentration and effects of back pressure on cavitation erosion are analyzed ; the relations between least air concentration to prevent cavitation erosion and flow velocity are proposed ; the cavitation numbers with and without aeration in cavitation region are compared
實測了空化區摻氣前後壓力的變化,分析了壓力波形的可壓縮流特徵以及馬赫數與壓縮比的關系;實測了空蝕區不同摻氣濃度的時均壓力分佈,分析了壓力隨摻氣濃度的變化及背壓對空蝕的影響;提出減免空蝕的最低摻氣濃度與流速的關系,比較了摻氣前後水流的空化數。It specifies the process of the design, simulation and experiment of liquid cooling system. main contents of the thesis are as follows : description of the present usage of liquid cooling system, presentation of a new type of liquid cooling system and description of its work principles ; design of the liquid cooling system, which mainly deals with the design and collating calculating of serpentine condenser and heat exchangers adopted in this system. meanwhile, the model chosen calculating of compressor 、 thermal expansion valve 、 plate evaporator 、 water pump and the like equipment used in the system are also carried out
本文的主要內容如下:對液冷源使用現狀進行了描述,提出了一種新型液冷源系統並對其工作原理進行了闡述;對系統進行了設計,主要對系統中所採用的管帶式冷凝器和水側空/液換熱器進行了設計和校核計算,同時對系統中所用到的壓縮機、熱力膨脹閥、板式蒸發器、水泵等配套設備進行了選型計算;分別對製冷系統和冷卻液循環系統進行了數學建模。Based on the engineering geologic investigation reports of 22 buildings and the author ' s own tests in lab ( which includes 18 groups of conventional test and compression test, 8 groups of unconsolidated undrained triaxial test and 8 groups of quick direct shearing test ), taiyuan silt is studied in the paper. firstly, the variability of silt indexes is analyzed. the analyses results show the change laws on variability, in addition, the average value and variability coefficient ranges of silt indexes are given for reference
本文以太原地區粉土為研究對象,在收集、整理了22個建築工程場地勘察報告和作者室內試驗成果( 18組常規試驗和壓縮試驗、 8組不固結不排水三軸剪切和8組直剪快剪試驗)的基礎上,對太原粉土作了以下方面的分析研究:首先研究了粉土工程性質指標的變異性,得出了變異系數的變化規律,給出了各工程性質指標均值和變異系數范圍的建議值。In this article, through lab and engineering site trials that the physical data of new type pipe materials is corrected, the results are as follow : ( l ) the expansion coefficient of new plastic pipe materials is more large than that of iron pipe. ( 2 ) new plastic pipe materials have different heat - resisting character and according to the water temperature to choose pipe materials ; ( 3 ) the loss of head of water for new type pipe materials is more smaller than iron pipe and also correct the loss of head of water that calculated by theory ; ( 4 ) probing into the press - resistance character of new plastic pipe materials
本文通過試驗室試驗及工程現場試驗,對新型給排水管材的幾個重要的物理性能參數進行實驗測定,糾正了以往的錯誤認識。研究結果表明: ( 1 )新型塑料管材線脹系數遠遠大於鋼管和鑄鐵管,設計和施工中要嚴格考慮管道的伸縮; ( 2 )新型塑料管材耐高溫性能各不相同,需根據管內水溫選定管材; ( 3 )新型管材水頭損失遠小於鋼管,並對原水頭損失計算公式進行了修正; ( 4 )對于塑料管材的耐壓性能進行了探討。Based on the comparative analysis of two available heat system plan, the paper selects the water - water heat pump system plan. after a series of character analysis, design calculation ; the style of compressor including media choosing and its circle dynamic calculation for the thermodynamic system is determined. besides this, based on some basic measure of thermodynamic analysis, the heat pump coefficient of performance is discussed ; the exergy analysis for the water - water heat plan is conducted ; the calculation formula of heat pump exergy efficiency is derived ; an optimal model for heat pump together with thermal machine is established and the main exchanger equipment in heat pump system including its resistance calculation is designed in details
本文通過對兩種系統方案進行比較分析,確定了水環熱泵系統的基本方案,經過定性分析和設計計算,進行了壓縮機的選型、工質的選擇、熱力系統的循環計算等基本設計,同時應用熱力學分析的一些基本方法,討論了如何評價熱泵系統的性能系數,並對電廠循環水余熱回收熱泵系統進行了(火用)分析,得到了熱泵過程(火用)效率的計算公式,建立了熱泵?熱機聯合機組優化模型,還對熱泵系統的主要換熱設備進行了詳細的結構設計和阻力計算,最後對熱泵系統進行了技術經濟分析和評價。On the basis mentioned above, another mathematical model for the supercharged diesel was set up. according to this model some results of simulation calculations were given. the characteristics of operation of the diesel in wet compression : including the excess air coefficient, the cylinder temperature at the beginning of compression stroke, the maximum temperature in the cylinder, the cylinder thermal load, the specific fuel consumption, and efficiency of diesel engine were obtained
在此基礎上,又建立了增壓柴油機濕壓縮的數學模型,對噴水后柴油機的各性能參數,諸如過量空氣系數、氣缸進氣溫度,缸內最高溫度、氣缸熱負荷、比油耗、熱效率等進行了模擬計算,為增壓柴油機進口加濕技術的研究提供了理論依據。On the basis of virial state equation and the corresponding - states principle, a state equation of corresponding - states - virial is proposed to calculate thermodynamics properties of humid air, which is used as working substance in humid air turbine and compressed air energy storage ( caes ) system at high temperature and high pressure. the activity coefficient method and eos method are utilized to calculate the vapor - liquid equilibrium state of humid air. main contents of study listed as following : 1
用本文提供的計算模型對干空氣、水蒸汽和濕空氣的第二、第三維里系數進行了計算,並與asher提供的維里系數進行比較; 3 .用本文提出的對應態維里方程,計算得到濕空氣的壓縮因子,濕度在0 w 1kg / kg ( a )的范圍內時,與實驗數據吻合較好。The physical experiments and theories on thermodynamics prove that gas thermal insulation coefficient changes apparently when hydraulic transition process happens. so four appropriate processes were given - sub - process 1 of compressing, sub - process 2 of inflating, sub - process 3 of inflating, sub - process 4 of compressing
試驗與理論分析表明,在管道系統發生水力過渡過程時氣體多方指數n存在較為顯著的變化,並非單一常數,從而提出了相應的四過程:即壓縮子過程1 、膨脹子過程2 、膨脹子過程3和壓縮子過程4 。A new type of blind watermarking technology, which has the advantage of adopting watermarking embedding algorithm is introduced based on wavelet transform and cosine transform, so the original image isn ' t necessary when picking up watermarking and the transparency and robustness of digital watermarking system is well fulfilled, the attack in the forms of noise, median filtering and compress can be withstood, and high pass filtering and low pass filtering can also be endured
摘要詳細介紹了基於一種新型的基於小波變換和餘弦變換的盲水印數字水印技術,這種方法的一個顯著的優點就是採用水印嵌入演算法,提取水印的時候不需要原圖象,能夠很好的滿足了數字水印系統的透明性和魯棒性,能夠經受住加入噪聲、中值濾波、壓縮等方式的攻擊,並且還能夠經受住高通濾波和低通濾波。Moreover, experimental results have proved that the method is robust enough to some image degradation process such as cropping, jpeg compression and sharpening etc. embedded zerotree wavelet coding ( ezw ) algorithm, it is found that this algorithm does not make full use of the properties of human visual system ( hvs ) to eliminate visual redundancy
實驗證明,該方法對剪裁、 jpeg壓縮和銳化等圖象退化處理均具有一定的抵抗力,是一種行之有效的水印嵌入方法。本文在對零樹編碼方法研究的基礎上,針對零樹編碼方法沒有充分利用hvs特性來有效消除視覺冗餘的缺點,提出了一種基於小波系數的零樹編碼方案。Integrating with the union numeral watermark technology, this article conducts the research and the model experiment directed mainly at broadcast monitoring application in digital television
在壓縮域水印中,我們選擇在mpeg壓縮流的直流系數的色度分量上加水印,並且根據其系數值自適應的選擇水印加入強度。分享友人