zero line 中文意思是什麼
zero line
解釋
基線；起點線-
The zero - based line number in which the character index is located
字元索引所在的從零開始的行號。 -
Also, the different temperature dependence between the sidebands of nni and the zero phonon line indicates there might exist other n impurity states
或許正是這些雜質態的存在，降低了樣品的熱激活能。在組分從x = 0 . 24 %到x紹 -
This article has studied the deficiency and shortcoming of various kinds of methods of the parameter measurement of transmission line at present, proposed the measurement under operation on the basis of gps, researched gps application way and error that may appear in the power system synchronal sampling, put forward the parameter computing technology based on the information of both sides of transmission line, which solved some problems that exist in the parameter measurement, especially the problem that exist in the zero - sequence parameter measurement of transmission line with mutual inductance
本文研究了目前輸電線路參數測量的各種方法，分析了其中存在的不足和缺點，提出了基於gps的輸電線路參數在線測量方法，研究分析了gps在電力系統同步采樣中的應用方式以及可能出現的誤差，在同步采樣的基礎上提出了基於雙端信息的線路參數計算方法，較好地解決了輸電線路參數測量中存在的一些問題，尤其是多回互感線路零序參數測量困難的問題。 -
The aerage amount of t / ideo iewing for the group was 1. 7 hours per day, so most children in this study were in line with the american academy of pediatrics recommendation of zero hours of screen time up until age 2 and no more than two hours per day after age 2
這些兒童每天看電視時間平均1 . 7小時，研究中的大多數兒童看電視時間符合美國兒科學會推薦的標準，即2歲前不看電視， 2歲后每天不超過2小時。 -
A study of zero discharge line for electroplating rinse water
電鍍漂洗水無排放自動生產線的研究 -
Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis
為此，本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 （項目編號： 59375254 ） ，重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下： 1在介紹了常用質量控制方法的基礎上，對統計質量控制的幾個關鍵問題進行了詳盡的討論，提出了質量控制界限的確定方法，建立了基於產品質量多變異的抽樣方案的數學模型，利用模糊識別理論對質量控制圖工序加工狀況進行了判別。 -
Hydraulic pressure has dropped to zero due to line leaking
液壓力下降至零因漏油。 -
It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line
該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用，不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷，更將故障定位在故障線路最小故障區段。 -
If the specified line is out of range, the start line is set to zero
如果指定行超出范圍，起始行則設為零。 -
The merit of travelling waves location is its high precision, but it has dead line if the fault location is close to the line terminal or the fault occurs at the time close to zero point of current
行波法測距的優點是精度高，但對近區故障或電流過零附近時刻發生的故障存在測距死區。 -
Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器（ upfc ）是功能最強、最具發展潛力的靈活交流輸電系統（ facts ）控制器之一，如果在常規條件下，用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能，在發生單相永久性接地或單相斷路故障時，由傳統的三相跳閘改為單相跳閘，用upfc的並補來濾除兩端系統的零序和負序電流，用upfc的串補來提高輸電線的傳輸功率，以實現兩相長期運行，那麼輸電系統的穩定性、可靠性將大大提高。 -
Zero - line oscillating
零線抖動 -
One ： l should not be frequently shut off ; controlled the lamps and lanterns to kill bright by k while supplying power normal. can ' t adopt and cut off battle line. line zero power, while presenting the accident, the emergent lamps and lanterns can ' t work normally
一： l不宜頻繁關斷；正常供電時由k控制燈具亮滅，不得採取切斷火線、零線電源，否則出現事故時，應急燈具不能正常工作。 -
From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed
從輸電損耗最小的角度出發，提出了任意相無中性線或有中性線系統的瞬時無功功率理論，在新的理論下，每個量都有清晰的物理意義，且能分解出零序電流的有功分量和無功分量，並給出了通用的零序電流補償方法，揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別，從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。 -
A more reasonable method to calculate soil ' s damage value is advanced, which bases on extrema of irregular dynamic shear stress. previously it bases on peaks of shear stress to calculate damage value, but by this method the destructive action of multi - point inputted earthquake is overestimated, especially in the second half section of responding shear stress " time history the shear stress caused mainly by differential force undulate slightly on one side of its zero line
以往計算土體在不規則的動剪應力作用下的損傷值根據的是動剪應力的峰值，在時域內多點輸入分析中，由於差動力的的存在，使得時程後段動剪應力不穿零而在一側做幅度不大的波動，基於峰值的損傷值計算特別過高地估計了這段剪應力的破壞作用，過高的程度還隨延時增加而增加。 -
Zero - line reference marker
零線裝置 -
The theoretical analysis and experiment outcome indicate that geomagnetic field and testing environment have momentous effect on testing outcome, that specimen should be laid transmeridionally as soon as possible while testing and that the swing value and crossing zero line of metal magnetic memory signals before and after fatigued specimen cracking will change or move
理論分析和實驗結果表明：地磁場和檢測環境對檢測結果會產生較大影響，檢測時應盡可能將試件東西方向放置；疲勞試件斷裂前後的磁記憶信號的幅值和過「 0 」線將發生變化。 -
The shape and character of the zero line, an important criterion for magnetic memory testing of the normal field is analyzed under different longitudinal magnetization
研究了管件處于外部弱磁場的缺陷段的位置對表面磁場法向分量零值線分佈的影響。 -
The results showed that the character of the zero line should be considered when using metal magnetic memory testing method to find and locate the defects
結果表明，利用磁記憶方法作無損檢測，尋找和定位缺陷段位置時，應該考慮法向分量零值線的這種分佈特徵。 -
When the macd comes down towards the zero line and turn back up just above the zero line it is normally a trend continuing and should be taken and are normally a strong move
當macd走向零軸但在靠近零軸的時候反彈了回來，通常是趨勢將要繼續，並且常常是一個較強的波動。
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