design ratio 中文意思是什麼
design ratio
解釋
設計比例-
Design and characteristics on wing of extreme big aspect ratio
大展弦比夾芯翼大攻角顫振分析 -
Design of spiral bevel gears with high contact ratio
弧齒錐齒輪的高重合度設計 -
The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale
本文介紹了fed驅動系統的工作原理，重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製，這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路，配合后級列灰度調制單元和行掃描單元，組成完整的fed驅動系統，可以驅動25英寸vga級fed顯示屏，實現彩色視頻顯示，樣機亮度達400cd / m2 、對比度為1000 : 1 ，灰度等級為256級。 -
The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。 -
Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results
結合密肋復合墻板的特殊構造，建立墻板的復合材料二相體力學模型，按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強，得出墻板的彈性計算常數及剪切常數，在此基礎上，進一步將墻板簡化為各向同性的計算模型，給出墻板彈性模量及剪切模量實用計算公式，為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。 -
Three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design, to study the influence of the shape, height, aspect ratio, chordwise position, spanwise position and direction angles of vortex generators on boundary layer separation control
（ 5 ）綜合分析研究了渦流發生器的工作原理和設計原則。根據國內外資料，研究了渦流發生器形狀、高度、展弦比、尖削比、弦向位置、展向位置和方位角等因素對附面層分離控制效果的影響。 -
After the bottleneck in the original ethene production plant is analyzed, the revamp design plan for srt - iii cracking furnace is proposed. the measuring results after revampment show that the thermal efficiency and ethene recovery ratio are increased compared with the design data ; the production capacity of ethene cracking furnace is enhanced, and energy consumption is reducted
通過分析原乙烯裝置生產存在的「瓶頸」 ，提出了srt -型裂解爐改造的設計方案，並對改造後效果進行測量，熱效率和乙烯收率均比設計值有所提高，乙烯裂解爐的生產能力提高了，能耗降低了。 -
In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。 -
In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。 -
Based on the numerical simulation and accuracy analysis to previous slab ' s test with the ansys program, the study of composite wall, with various detail design under potential load action respectively or jointly is carried on and the wall ' s atress behavior and failure mode is obtained, also the influence to wall ' s stiffness and bearing capacity by kinds of factors, including wall ' s shear span ratio, member ' s section, bar arrangement, etc. based on the hammer blow test and stiffness test, a 1 / 3 scale ten - bay model ' s modality parameter and elastic deformation characteristic is analyzed
在對密肋復合墻板運用ansys ~ （ （ ? ） ）程序進行數值模擬、分析驗證的基礎上，對典型組合墻體在不同連接構造和不同荷載效應組合作用下的受力形態和破壞模式進行研究；計算分析了復合墻體剪跨比、邊框柱截面尺寸、邊框柱配筋大小以及墻板內肋梁肋柱配筋等諸多因素對密肋復合墻體承載力及剛度的影響，得出其變化規律。 -
Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑，以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚，通過正交實驗確定的較佳工藝參數為：鄰苯二酚：異丁烯（物質的量比） 1 : 1 . 15 ，鄰苯二酚：催化劑（質量比） 100 : 20 ，烷基化反應溫度100 5 。 -
The catena product is in the light of iso international criterion to design and make iso2858, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. to make it possess superduper resist impact and eximious resist causticity, axis - envelop choose advanced outer - install form moire - pipe machine - airproof, airproof of oppositely abrade have silicon nitride chinaware f4 horniness alloy to choose. it has ratio of very high capability and price
本系列產品按國際標準設計製造iso2858 ，泵體採用金屬外殼內襯氟塑料，葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型，使其具有超強的抗沖擊能力又有卓越的耐腐蝕性能，軸封選用先進的外裝式波紋管機械密封，對磨的密封面有：碳化硅陶瓷四氟硬質合金可供選擇。 -
It is in the light of iso international criterion to design and make, pumpbody adopt metalline crust pad fluorine plastics inside, impeller and pump - cover all adopt metal embed part wrap fluorine plastics alloy outside to press. it has ratio of very high capability and price. its the most diffusely apply of resisting causticity centrifugal pumps at chemical engineering profession at present
按國際標準設計製造，泵體採用金屬外殼內襯氟塑料f46 ，葉輪及泵蓋均採用金屬嵌件外包氟塑料合金模壓成型，具有很高的性能價格比，是目前化工行業應用最為廣泛的防腐離心泵。 -
Sbs modified asphalt mixture ratio design
改性瀝青混合料配合比設計 -
The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced
摘要介紹了聚丙烯纖維噴射混凝土的特點及其配合比設計。 -
Finally, the mixture ratio design of recycled concrete and some numeration mixture ratios of different strengths are suggested for practical application
最後，提出再生混凝土配合比設計並建議了幾種設計強度的再生混凝土計算配合比，為實際工程應用作參考。 -
Adopting the simplex - barycenter design, optimal mixture ratio among carbendazim and triadimefon and thiophanate - methyl which control wheat scab acre studied in this paper
摘要採用單形重心設計法研究了多菌靈、三唑酮、甲基硫菌靈不同混合比例防治小麥赤?病。 -
In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication
根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。 -
The stereo set system that conduct and actions success design, the first tool know. now s design ratio rise 25 year agos s design come wanting lucky get many, because there is source of very and abundant stereo set engineering knowledge to can make use of now. numerous, even is a numerous to test the book to completely included the each aspect of this realm davis and davis, 1987 ; giddings, 1990 ; ballou, 1991. have every kind of can the exploitation s periodical, from scholarship publication to the business communication publication with with this periodical magazine of similar business. have every kind of have the reputation s academic exchanges the meeting, colloquium and training class, and can include our industry the trade association, national stereo set and literature supplies the association the acquisition the source from the every kind of think factory. each college and university that acquisition approve also start providing relevant of course
設計過程由許多零碎資料的收集過程的組成，就像拼圖游戲里的零碎圖片同時把它們拼裝在一起，使得它們之間即不重疊也沒有間隙。那麼，到底如何設計一種音響系統呢？有的人做起來像是鋪開許多音響產品的產品目錄活頁，然後像投擲飛鏢那樣用筆畫來畫去有的人做起來像是把核桃殼翻來翻去，直到找到核桃肉為止而有的人則在輕易地計算解答極其深奧的方程式。 -
This article introduces the principle, interface and performance parameters of the led display driver module ; puts up a method of screen division and grayscale display ; picks - up some parameters to decribe the scan algorithm ; clarifies the relationship between scan parameters, the design ratio of the screen and the driver module performance parameters ; and formulates three principles in led display design
摘要介紹了led顯示屏驅動控制模塊的原理、介面和性能參數，提出顯示屏的屏體分塊方法和灰度顯示方法，提取了用於顯示屏設計中驅動控制方式的若干演算法參數，分析並闡明了這些演算法參數、顯示屏設計要求及驅動模塊的性能指標三者之間的關系，並提出了三個設計約束關系式，從而擬定了顯示屏的驅動控制方式。
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