density accuracy 中文意思是什麼
density accuracy
解釋
密度精度-
This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character
本文對燃油管理系統的工作原理和可靠性設計等問題進行研究，以明晰燃油管理系統的總體設計思路；並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究；提出了一種基於catia軟體的燃油質量特性計算方法；論文最後探討了燃油管理系統的未來發展方向。 -
Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer. especially for saturation steam ， the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument. thus a temperature detection circuit based on ratio method with high accuracy is introduced
文摘:在分析飽和蒸汽和過熱蒸汽密度的數學模型的基礎上指出，溫度檢測的偏差對智能流量積算儀的精度影響極大，尤其是飽和蒸汽，測溫電路的精度應設計為遠高於儀表的精度，同時引入一種基於比率法的高精度測溫電路。 -
Tgs method can determine quantitatively with high accuracy transuranic nuclides in heterogeneously distributed media with medium - and high - density, and is thus widely used to assay the location and quantity of selected radioisotopes in scraps and wastes within sealed containers
它是專用於準確定量測量中、高密度非均勻分佈介質中的放射性核素及其含量，是核設施中可回收物以及核廢物測量分析的主要方法之一。 -
In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy
本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。 -
This paper deals with the static and dynamic output kinematic accuracy of a group of elastic slider - crank mechanisms with the same design parameters by taking the bar length, joint - gaps, mass density, interception and physical parameters as random variables
摘要將彈性曲柄滑塊機構的桿長、截面尺寸、鉸鏈間隙、質量密度、彈性模量等幾何、物理參數均視為隨機變量，對機構輸出運動進行了靜態和動態誤差分析。 -
Utilizeing the iterative approach to improve the density of anchor nodes gradually, and taking advantage of the concept of dv routing, a novel distributed, hop - by - hop, simple positioning algorithm, referred to as hop - euclidean, is presented and simulated. the results show that it has the good positioning accuracy and coverage 4
3 、以euclidean演算法為基礎，融入距離矢量路由和迭代循環的思想，設計出一種新的定位演算法，稱為hop - euclidean ，對其核心思想和演算法進行討論，並進行模擬驗證。 -
The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters
本文對激光立體成形的工藝特性進行了深入系統的研究，發現如果要獲得理想的成形效果，就必須對成形過程中的工藝參數進行精密控制，例如激光功率、激光光斑大小、光束掃描速度、搭接率等；同時為了保證成形件有較高的尺寸精度和表面質量，必須對成形零件的氧化問題進行控制，通過改進側向送粉噴嘴的結構設計，成形件的表面氧化問題得到適度控制。 -
Besides, we give another conservative remapping algorithm in allusion to the difficulty of integrating the known density distribution in the old mesh over the cell volume. the new mesh is subdivided in order to calculate the densities of new smaller meshes. then densities of the new mesh are known accordingly and high accuracy remapping is finished
本文首先用蔡慶東提出的重映方法，編制了相應的程序，然後給出了另一種重映方法，即對於一般的密度分佈，針對重映積分計算的困難，將新網格進行了細劃，先確定新網格小網眼中心點的密度，將小網眼的質量直接計算出來，再計算新網格的質量，然後確定相應的密度，從而實現高精度重映。 -
According to magnetic medium following the theories, such as ferromagnetics, electromagnetic field, electrodynamics and so on, and linking the characteristics of driving of giant magnetostrictive materials, a control model and driving approach, which one to one correspondence with magnetostriction, are founded. the theory analysis and experimental study demonstrate that the control accuracy of giant magnetostrictive materials can be effectively improved, if using this control model and control approach of giant magnetostriction materials on account of flux density
通過理論分析和實驗研究表明：這種基於磁感應強度的超磁致伸縮材料的控制模型和控制方法，可有效地提高超磁致伸縮材料的控制精度；研製了具有驅動磁場和微位移感知功能的磁場與位移感知型超磁致伸微位移執行器，並提出了適用於此種執行器的設計理論和方法。 -
The paper introduces the optimal design of the second grade level net in fuoshan, expounds the evaluating method on accuracy for different net pattern based on the principle of indirect balancing and the computing function of the excel matrix, and selects a pattern which meets the needs of national norm for net form, the density of point, accuracy and reliability
摘要本文介紹了佛山市二等水準網項目的優化設計，重點闡述了根據間接平差原理對不同的布網方案，利用excel的矩陣計算功能實現精度評估的方法，評選出一套從網形、點位密度、精度、可靠性等方面都符合國家規范和佛山特點的方案，以供參考。 -
( 6 ) reasoning of influence on first round hit probability of frag - demolition projectile by accuracy, by density, and by size of target is made, so is reasoning of influence on first round hit probability of carrier projectile by dispersion of sub - projectiles
（ 6 ）分析論證了密集度、準確度、目標尺寸對殺爆彈首發命中概率的影響，分析了子母彈子彈密集度（散布）對子母彈首發命中概率影響。 -
The result of experi ment is the percentage density measuring accuracy can reach 0. 1 %
實驗結果得出，百分濃度的測量可精確到0 . 1 % 。 -
Specially designed vacuum composite forming die to ensure the accuracy and composite density
特殊設計的真空吸塑復合成型模具，確保迷宮的準確性和復合強度。 -
Abstract : a buoyancy method of measure diamond fi lms density was reported. feature of the method is quick, convenient accuracy and practical
文摘:本文報道了一種測量金剛石膜密度的浮力法。這種方法的特點是快速、方便、準確和實用。 -
The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability
測前、測后線性刻度對分析、判定變密度測井曲線的真實性與準確性體現在對井下波列的限幅與畸變程度、檢測儀器的線性放大狀態和穩定程度。 -
In a natural manner we bring forward a density - biased sampling technique, which avoids the deficiencies in some applications and achieves a better scalability and accuracy in comparison with uniform sampling method
改進了均勻采樣技術在某些應用中的不足之處，採用這個密度偏向的采樣技術比採用均勻采樣技術具有更好的可擴展性和精確度。 -
The fft inversion method is fit for reconstruction of density distribution with sharp peaks and complex shape. the results of numerical simulations of this method show high inversion accuracy and fast calculation speed
快速傅立葉變換法適合於重建具有陡峭波峰和復雜形狀的等離子體密度分佈，數值模擬的結果表明該方法具有計算精度高和速度快的特點。 -
Coverage accuracy of confidence intervals for a conditional probability density function
條件密度置信區間的覆蓋精度 -
For this reason, we researched on estimation of sample size, selection of measurement method, improvement of accuracy and precision, and keeping away from effect of vertebral degeneration on bone density
為此，本文對科研樣本大小的估計、方法的選擇、提高準確度的措施、精度應用的方法及克服椎骨退變對骨密度的影響進行了研究。
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