Negative mass

美 [ˈneɡətɪv mæs]英 [ˈneɡətɪv mæs]
  • 网络负质量
Negative massNegative mass
  1. The problems of negative mass and inertial origin have also been discussed .

    文中还讨论负质量问题和惯性的起源问题。

  2. It 's point out that the anti-tie of blocoeffect is maintaining the state of negative mass in the vacuum .

    解释了真空负质量状态的维持机制&反束缚集体效应。

  3. Based on the data available , it is believed that Antarctic Ice Sheet is in a thin negative mass balance .

    据现有资料估计分析,整个南极冰盖处于微弱负平衡。

  4. Most of the mountain glaciers in the Northern Hemisphere are retreating recently because of the negative mass balance , reflecting the warm tendency of the climate change .

    近期北半球大多数山地冰川的物质平衡为负,冰川普遍退缩,表明北半球气候暖化的趋势。

  5. The modes of membrane-ring system with free vibration are presented and the acoustic responses of the system are studied in the acoustic wave . The reasons of the locally resonant and negative mass phenomenon are explained theoretically .

    给出了薄膜-质量块系统自由振动的频率和模态,并分析了系统在声波作用下的声学响应,理论上解释了系统发生局域共振和负质量现象的原因。

  6. Furthermore , a feasible method for indirectly simulating the overflow is to apply the negative mass source to the mesh for the local area of the diversion tunnel intake while apply the positive mass source to the mesh for the outlet area .

    此外,采用在导流洞进口局部区域网格上施加负质量源,出口局部区域网格上施加正质量源间接模拟导流洞过流的方法是合理的。

  7. Methods Having analyzed the results of 2013 cases for endoscopic survey in high risk areas . Prevalence Relative risk ( RR_1 ) and attribution risk ( AR_1 ) of precancerous lesions were analyzed between positive mass with family hereditary in the esophageal cardiac cancer and negative mass .

    方法选择食管癌高发区2013例胃镜普查人群为分析资料,分别计算食管贲门癌前病变与食管癌家族遗传阳性人群和阴性人群的患病危险度(RR1)和特异危险度(AR1);

  8. The Application of Negative Ion Mass Spectrometry in Isomeric Differentiation

    负离子质谱法在异构体鉴别中的应用

  9. Negative effective mass amplifiers and generators

    负有效质量放大器和发生器

  10. Negative Ion Mass Spectra of Quinolone Drugs

    喹诺酮类药物负离子质谱研究

  11. The use of the additives can increase the battery cycle life , charge acceptance , surface area of negative active mass and stabilization of its structure .

    使用负极板添加剂可以增加蓄电池寿命,提高充电接受能力,增大负极活性物质表面积并稳定其结构。

  12. By using the nonparabolic balance equation theory we have theoretically studied the current spatio temporal characteristics of p type quantum well negative effective mass ( NEM ) p + pp + diode under dc bias .

    采用非抛物平衡方程理论研究了直流偏置下p型量子阱负有效质量p+pp+二极管电流的时空特性。

  13. The negative ion mass spectrometry technique for the isomeric differentiation of the organic compounds is reviewed in three sections : the mechanisms of negative ion formation , the negative ion chemical ionization and the fast atom bombardment techniques .

    本文综述了近年来负离子化学电离和快原子轰击质谱法在异构体鉴别中的进展以及几种负离子的产生机理。

  14. In FAB negative ion mass spectra the typical ( M - n ) - cluster ion is observed and the ( M - 1 ) - ion shown as its highest intensity is the base peak for each of the samples .

    FAB负离子质谱,获得[M-n]~-典型离子簇,[M-1]~-作为最强离子是每一个样品的基峰。

  15. Research on the Negative Influence of Mass Media to the Promotion of University Students ' Cultural Quality and Countermeasures

    大众传媒对大学生文化品位提升的负面影响及对策研究

  16. The Determination of Boron Isotope by Negative Thermal Ionization Mass Spectrometry and Its Development

    硼同位素的负热电离质谱测定及其进展

  17. A Comparison of Loading Reagent for Boron Isotopic Measurement by Negative Thermal Ionization Mass Spectrometry

    负热电离质谱测定硼同位素的涂样试剂比较

  18. Mass Fractionation Correction of Osmium Isotopic Compositions in Negative Thermal Ionization Mass Spectrometric Measurement

    负热电离质谱法测量Os同位素组成的质量分馏校正

  19. Based on content analyses , this study concludes that the image of universities in recent years is presented basically in a negative way in mass media , and the negative reports about universities keep increasing .

    研究发现,总体而言,近年来大众媒体中的高校形象是负面的,而且媒体中有关高校的负面报道呈现不断增加的趋势。

  20. The other hand , the negative effects of mass culture such as commercial taste heavy , lack of artistic personality , fun low had a negative impact on the development of national vocal music .

    另一方面,大众文化负面效应比如商业味浓重,缺乏艺术个性,趣味低俗等特点对民族声乐的发展产生了消极的影响。

  21. The reasons why youth lack moral knowledge in the process are the simplism in moral education , the negative effects of mass media , pluralism and contradiction of social values and psychological pressures in life .

    在这个过程中青年缺少系统的道德知识教育等问题,其内在原因是道德教育形式单一;传媒带来的负面影响;

  22. A solid phase extraction ( SPE ) - gas chromatography ( GC ) - negative chemical ionization mass spectrometry ( NCI / MS ) method was proposed for analyzing 11 kinds of pyrethroid pesticides in tea .

    通过固相萃取-气相色谱-负化学离子源质谱技术建立了11种拟除虫菊酯类农药残留的检测方法,并应用于茶叶农残检测。

  23. At the same time , this article bring about a number of more targeted , comprehensive strategies by analyzing the above factors , then try the best to minimize the negative effects which mass media have on the construction of learning society .

    同时,本文在对上述各个因素进行分析的过程中,也提出了一些较为针对性的、全面性的策略,以期能够尽可能地减少大众传媒可能对学习型社构建所产生的负面作用。

  24. Negative Effect of the Mass Media and Adjustment of College Library Service Strategy

    从大众传媒的负面影响看高校图书馆服务策略的调整

  25. Negative ion chemical ionization mass spectra of several types of glycosides

    若干糖苷类化合物的负离子化学电离质谱研究

  26. Negative ion chemical ionization mass spectrometry using methane and dichloromethane as mixed reagent gas

    甲烷和二氯甲烷混合反应气体的负离子化学电离质谱研究

  27. The expected labor pain of the primiparas had a negative correlation with body mass index .

    初产妇之预期分娩疼痛程度和身体质量指数呈显著负相关。

  28. Negative Ion Chemical Ionization Mass Spectrometry Behaviour of Aromatic Aldehyde Derivatives of Anilines

    芳香胺的芳香醛衍生物的负离子化学电离质谱行为

  29. The Pearson correlation analysis indicates there was significant negative relationship between litter mass loss percent and characteristic of soil fauna community .

    相关分析结果显示,凋落物的重量损失率同土壤动物群落特征指数间存在显著的负相关关系。

  30. In this paper , we apply the view point of Spinor monopole , with a concrete example , to show that under the case of negative solution , the mass of monopole may be less than 10 ~ 4 GeV , which is calculated by general theory .

    本文应用旋量磁单极的观点,用一个具体例子说明在负能解的情况下给出的磁单极质量可以较一般理论算出的10~4GoV数量级为小。