負性力 的英文怎麼說
中文拼音 [fùxìnglì]
負性力
英文
negative force-
The mechanism of the downburst formation was also investigated based on the cloud microphysics of the simulated storm and it was found that this downburst was primarily produced by hail loading, and enhanced by hail melting and rain evaporation. and the loading and the melting of hail played a very important role in producing the downburst. the gale at the surface was caused by the severe downburst
從雲微物理學角度分析了此次局地性大風的形成原因，認為由高空冰雹粒子的拖曳產生的負浮力作用是促發強下沉氣流產生的主要原因，其次是冰雹的融化和雨水蒸發冷卻對下沉氣流起加速作用，冰雹的拖曳和融化作用對下沉氣流具有決定性的作用。The mechanism of the effect of na on work stress
負性情緒在工作壓力作用中機制的研究After the ventilator is started, the dust catcher is under negative state and will absorb air with dust in the ductwork to the case on the dust catcher, then the air current will enter into the upper side of filter bag flowing from upper side to lower part ; most of the dust will come out from the filter bag under function of gravity and inertia and then fall into the lower case ( ash hopper ), then the clean air will enter into the air via ventilator
當通風機啟動后，除塵器便處于負壓狀態，並將余風管中的含塵空氣吸入到除塵器上箱體內，然後氣流進入濾袋上口自上而下流動，多數粉塵顆粒在重力和慣性力的作用下穿出濾袋下口，沉降至下箱體內（灰斗） ，被濾的凈化氣體經通風機排入大氣中。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。The performance and residual capacity enable it to be used even in situations typically limited to diesel forklifts
叉車的高性能和大負載力都令到它在柴油叉車受限制的場合中一樣能揮灑自如，靈活進退。Also the concrete structure ' s service life may be threatened by the negative pressure occurred when waves se parate from the subface of the structures
另外當波浪離開上部結構底面時產生的負壓力作用對混凝土結構的耐久性也是一個很大的威脅。Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule
分析了管道內的流體溫度隨傳輸距離而變化的規律，並指出了此規律對管道負內壓力波傳播速度的影響。指出了常負壓力波波速定位方法的局限性，並採用改進的負壓力波定位技術，將管道內的負壓力波速公式採用復化辛普森公式進行了改造。The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer
通過對減水劑的表面張力、吸附量、 5電位研究，發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力；茶系減水劑比合成的減水劑具有更大的飽和吸附量，但彼此的在水泥顆粒表面的吸附形態並不相同：減水劑一水一水泥體系具有雙電層，加了減水劑的水泥膠粒的電負性顯著增加，改性后產物的負電性與改性前相比明顯增加。Firstly establish it mathematical modal, research the affect of the system character by the system parameter and bring forward the method improving system character when the load is outside power
在建立精校機電液位置伺服系統數學模型的基礎上，當負載為外負載力時，研究了系統參數對系統性能的影響，提出一些改善系統性能的方法。The simulation results show that the controller can guarantee the global asymptotical stability of the system, and the pmsm servo system achieves excellent tracking performance, and is robust to uncertain parameters and load torque disturbance
模擬結果表明，所設計的非線性控制器保證了系統的全局一致穩定性，永磁同步電動機伺服系統獲得了很好的跟蹤效果，並且對參數不確定性及負載力矩擾動具有很好的魯棒性。It analyses the causes to bright image movement, studies principle to compensate image movement, conforms project to compensate image movement, and designs framework to compensate image movement in the article ; to analyze and design configuration of the scanning mirror, to select matters of mirror and its support structures on the principle of consistent line expansion coefficient ; to ascertain type of moment electromotor by most rotating angle speed and most rotating moment which are required by loads in the period to take pictures, as well as by figuration size of electromotor ; to design retarder according as the electromotor parameters ; to design and optimize lightweighted mirror shapes, because the mirror is key part ; to design flexure support structure, to analyze static and dynamic characteristics of the support structure by name of patran program for validating desig n rationality ; to study function of the scanning mirror electric control system ; to test precision of the system, the results indicate the rationality of design of the scanning mirror system
本文通過分析像移產生原因、研究像移補償原理，確定像移補償方案，並根據像移補償原理設計補償機構；分析與設計掃描反射鏡系統結構，根據材料線膨脹系數一致原則，選擇反射鏡及其背部支撐的材料；由掃描反射鏡在擺掃周期內的最大擺掃角速度確定力矩電機的額定轉速，根據負載力矩確定電機的額定轉距，綜合電機外型尺寸等因素，確定執行元件? ?電機的型號；根據所選電機的參數指標，設計1 ： 6速比的減速器；利用patran軟體對掃描反射鏡系統中的關鍵件? ?反射鏡進行輕量化設計與優化；設計反射鏡柔性支撐結構，並通過軟體分析支撐結構的力學特性，驗證反射鏡柔性支撐結構設計的合理性；從原理上研究掃描反射鏡控制系統功能；進行系統精度測試，測試結果表明掃描反射鏡系統設計的合理性。To love productively is incompatible with being passively, with being an onlooker at the loved person ' s life, it implies to labor, and care and the responsibility for his growth
積極的愛包含了關懷和負責他的一生，這並不局限於他的有形的存在，而且包括了他的人性力量的成長和發展。To love a person productively implies to care and to feel responsible for his life, not only for his physical existence, but for the growth and development of all his human power
積極的愛包含了關懷和負責他的一生，這並不局限於他的有形的存在，而且包括了他的人性力量的成長和發展。Burnout is a new research field. it is used to describe a series of negative symptoms, such as tiredness, ability descent, passion losing, apathy to others and efficacy. to teachers, burnout is common
用以描述個體由於長期的工作壓力得不到有效緩解而產生的心理、生理上的疲憊，工作能力下降，工作熱情喪失，對他人日益冷漠，工作成就感低等一系列負性癥狀。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。The analysis of cause from demand, cognition, stressor searches for many factors that cause the negative emotion
本文從需要、認識、壓力源等多角度對此狀況進行了成因分析，探尋使高校貧困生產生負性情感的多種因素。Unfortunately, administration of il - 2 can cause many side effects, including hypotension, arrhythmias, and vascular leak syndrome
研究發現il - 2對心肌有負性肌力作用，引起lvef下降4 。The results show : 1 ) the swb of the vulnerable women group in shanghai is at a relatively low level in whole, and the attention should be attached to their mental health ; and 2 ) there exists a significantly negative relationship between the neuroticism ( epq - n ) and swb, whereas the extroversion ( epq - e ) and self - esteem are positively related to swb. meanwhile, different personality traits have different effect on distinguished aspects of swb. among the objective factors, family income and self - reported health make the most powerful predictors of the affect state and life satisfaction
（ 2 ）弱勢婦女的主觀幸福感受到人格及某些客觀因素的影響：人格特質中的神經質與主觀幸福感負相關，外向性和自尊則與主觀幸福感正相關，並且不同的人格特質對主觀幸福感的不同側面影響力不同；客觀因素中，家庭收入和健康自評對其情感和生活滿意度均影響最大，婚姻質量、醫療負擔、社會支持、負性生活事件、為子女操心、就業情況、婚姻狀況及職業等因素都對她們主觀幸福感的不同方面有不同程度的顯著影響。Mediation effect of cognitive appraisal orientation on the relationship between stress and negative feelingsamong university students
認知傾向在大學生壓力與負性情緒關系中的中介作用A comparative study on coping styles of teachers under two kinds of stress situations
負性壓力情境下教師應對方式的比較研究分享友人