negative stability 中文意思是什麼
negative stability
解釋
負安定性-
If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零，光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處，其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小，因此，如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。 -
These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle
這一結果表明，在產生離子束極化的實驗中，在離子束低度極化的前期階段，磁場應具有較高的穩定性，而在離子束極化度較高的後期階段，磁場的穩定性要求可以放鬆；自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。 -
The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size
結果表明： mh電極中加入納米鎳粉對負極的大電流放電性能不利。 mh電極中加入超細鎳粉后電極綜合性能好，尤其是1c循環穩定性，其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用率、質量比容量、體積比容量，但增大了負極1c容量衰減率，因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定性。 -
According to the high precision and rotation stability requirement of negative scan unit of cylinder photography typesetting machine, the three levels of cylindrical gears transmission separately, the two - stage cylindrical gears - worm drive, and the worm drive was chosen through calculating its velocity ratio, the checking transmission precision, carrying on the movement precision analysis to the sweep unit, and computing overall transmission error
摘要針對圓筒型照相排版機底片掃描裝置要求傳動精度高，轉動平穩的特點，分別選擇三級圓柱齒輪傳動，雙級圓柱齒輪蝸桿傳動，蝸桿傳動3種常見的傳動方式，計算其傳動比，驗算傳動精度，對掃描裝置進行運動精度分析，計算總體傳動誤差。 -
According to these theories we know the reason of the emergence of low frequency oscillation is lacking positive damping even appearing negative damping. this problem can be classified as dynamic stability
從而得出，電力系統低頻振蕩是由於系統正阻尼不足甚至產生負阻尼而引起的，可以將其歸類為動態穩定問題。 -
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。 -
The conclusion of the study is to help peasants decrease the negative effect and carry forward the positive influence the participation of clan culture bring about, to offer the spiritual support for social order and stability and the advancement of the society, and especially to provide the beneficial thinking and culture backgrounds for culture construction in the process of well - off society constructing
本文的研究結論，對于幫助減少農民參與家族文化活動的負面效應，弘揚家族文化的正面功能，為農村的社會秩序的穩定與發展進步提供精神動力支持，尤其為我國正在進行的小康社會建設中的文化建設提供有益的思考空間和研究的文化背景。 -
By choosing some appropriate exponential weight functions we prove that the essential spectra and the eigenvalues ( except the simple zero eigenvalue ) have negative real parts, thus we get the locally asymptotically exponential stability of travelling waves ( al ) and ( a2 ) in some weighted spaces
通過選用合適的權函數，我們證得在加權空間線性化運算元的本質譜和除簡單特徵值零以外的特徵值均具有負實部。因此，我們得到行波（ a1 ） ， （ a2 ）在加權的l ~ 2 （ r ）空間的局部漸近指數穩定。 -
( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum
（ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。 -
Indeed, with the problems of negative equity and bankruptcy rapidly dissipating, financial and economic conditions now present much less risk than before to monetary and banking stability in hong kong
事實上，隨負資產及破產問題的消減，香港的金融及經濟現況對金融與銀行體系穩定所構成的風險遠較前一段時間為小。 -
5 ） significant differences between positive and negative teacher - student - relationship at warming, emotion stability, lively, stability, social boldness, openness to chance, self - reliance and tension
初中生師生關系與其人格特徵中的樂群性、穩定性、有恆性、敢為性、自律性呈顯著性正相關。 -
A propbr data structure is used to assist grid generation for different geometric dimensions. a concept of entropy in broad sense is proposed for convective - diffusive problems in chapter 7. it is proved that there is an intrinsic relationship between the stability of the numerical schemes of the convective - - diffusive differential equations and the non - negative property of the entropy generation caused by the effective diffusion
第七章提出了對流擴散問題中的廣義熵概念，研究了擴散熵產非負性特徵與數值格式穩定性的內在聯系，分析證明了擴散熵產非負定性及統計非負定性的穩定性準則，探討了穩定性與模擬性之間的矛盾與聯系。 -
Senior high school is higher than middle school ; the factor of situation shows that very distinct main effect on every dependent variables. ( 3 ) regression analysis shows that the choice of the reactive strategy is determined by intentional attribution, reactive judgment, expectation and angry but not the stability and sympathy ; there is distinct negative correlation between sympathy and others variables. except sympathy variable, there is positive correlation among the others variables
（ 3 ）相關分析與回歸分析的結果表明，意圖歸因、責任判斷、期望水平以及生氣對行為應對策略的解釋率高，而穩定性和同情的情感反應不會直接影響到行為應對策略；除了同情因子之外，其餘因子兩兩之間都存顯著的正相關，而同情因子與其它因子都呈顯著的負相關關系。 -
To guarantee the stability of the frame in strong earthquake motion, and on the basis of analysis on the concept of “ capacity design ” in the above three countries seismic design provisions, it is advised that the moment amplification coefficients at the bottom sections of columns for the frame structures in some seismic intensity be increased to reduce the possibility of the frame column yielding. taking the above three countries seismic codes as reference, it is recommended that it be added details of seismic design by using diagonal shear reinforcement to safeguard beams against sliding shear failure, when the positive - negative shear forces are reverse and the ratio is high
為了保證在大震作用下框架結構的穩定性，借鑒國外規范「柱-梁承載力級差系數」的思想，本文提出了對部分抗震等級的框架結構的柱端抗彎能力增強系數應予以提高，以降低框架柱屈服的可能性;參照國外有關規范的發展，本文建議對于正、負剪力反向且比值較大的框架梁宜增加交叉斜筋，以防止沿垂直裂縫發生嚴重的剪切錯動。 -
In order to understand the lamp ' s negative incremental impedance of characteristics and analyze the stability of ballast / lamp system clearly, the low - frequency ballast system stability with closed loop are analyzed based on the hid lamp frequency - domain model in chapter ii
為了更好地理解燈的負阻特性並分析電子鎮流器系統的穩定性問題，論文第二章著重從燈的頻域模型出發分析了閉環控制下的低頻方波電子鎮流器系統的穩定性問題。 -
This scheme solves the problem resulting from the shorting of the training samples to some extent and simultaneously considers the asymmetry between positive and negative samples reasonably well. experiments show the noticeable precision, stability improvement from aksoy
本演算法引入正例錯誤與反例錯誤的概念，並附加一定的條件同時利用正負反饋樣本修改特徵的權重，能更好的適應兩類樣本的不對稱性，進一步提高檢索精度。 -
Abstract : based on the research, development and experiment of a prototype of mobile offshore platform with negative pressure bucket foundation, the operating principles of towing positioning, grounding, floating and shifting of such type of platform in shallow beach sea are described and discussed. it has been shown that this type of platform has the advantage of having remarkable stability in floating and towing when an internal sack is fitted inside of the bucket foundation
文摘:結合可移動鋼制桶型負壓基礎先導試驗平臺的研製與試驗，論述了該型平臺在灘海淺水域的拖航、就位、坐底及起浮移位的工作原理，說明了鋼制桶型負壓基礎在加入內囊后具有的可移動優勢以及該型平臺在我國灘海油田開發中廣闊的應用前景。 -
In engineering practice, negative friction must be considered to ensure the foundation stability. the measure to avoid the negative friction must be carry out in construction phase and to prevent the negative friction in using
在工程實踐中，要在設計階段即考慮可能出現的負摩擦力以保證基礎的穩定性，在施工階段要採取必要的措施避免出現負摩擦力，使用階段出現的負摩擦力也要及時防治。 -
In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them
在這篇碩士學位論文中，我們主要藉助lyapunov第二方法的思想，討論了兩類脈沖微分系統：脈沖混合微分系統和具有依賴于狀態脈沖的微分系統的穩定性問題。不同於以往的研究，本文所找的lyapunov函數沿系統軌線的一階導數不再局限於常負或定負，甚至不用其導數來限制其增長速度；不再局限於對離散或連續部分分別設置條件，而是對其離散和連續部分設置混合條件。 -
International terrorism activities have caused enormous loss of lives and wealth in the world countries. it draws a lot of negative effect on the political stability, economy and social development. international terrorism is now one of the most important topics in the research field of modern international relationship
國際恐怖主義給世界各國造成了巨大生命財產損失，並嚴重影響政局的穩定以及經濟發展和社會進步，隨著恐怖主義破壞力和影響的日益擴大，它已經成為現代國際關系研究中的一個重要課題。
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