mechanic相关论文
本文采用激光-MIG复合焊接技术对3 mm的6061铝合金板材进行焊接.在实验的基础上,确定了最佳的焊接工艺参数,保证了熔透焊接.采用光......
In this study,nano-biocomposites of polycaprolactone(PCL)as the matrix and different amounts of nanofluorapatite(nFA)(0,......
Due to the complex diagenesis process,basalt usually contains defects in the form of amygdales formed by diagenetic bubb......
Tailoring grain morphology in Ti-6Al-3Mo through heterogeneous nucleation in directed energy deposit
A common challenge in direct energy deposition (DED) is eliminating the anisotropy in mechanical per-formance associated......
目的:探讨国际医疗卫生机构认证联合委员会（JCI）理念指导下的集束化护理模式在肺心病合并呼吸衰竭机械通气患者中的应用效果。方法:......
Effect of isothermal temper embrittlement and subsequent hydrogen embrittlement on tensile propertie
2.25Cr-1Mo-0.25V base metal (BM) and welded metal (WM) with different temper embrittlement states were obtained by isoth......
Auxetic structures are a special class of struc-tural components that exhibit a negative Poisson\'s ratio(NPR) because......
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沉管水下沉放中,管节与船舶采用缆索连接吊放下沉。为解决外海复杂海况条件下,船管缆系耦合受力的状态与水下管节的位移不受控和缆......
Influence of hot isostatic pressing on microstructure,properties and deformability of selective lase
The influence of different hot isostatic pressing regimes on microstructure,phase constitution,microhardness,tensile pro......
TaC nanowires are expected to be an ideal reinforcing material in ultra-high-temperature ceramics.However,their growth m......
The Quantum Handshake: An Electric Charge/Transactional Interpretation of the Single Electron Double
A new and falsifiable realist interpretation of quantum mechanics is examined in relation to the sum over histories conc......
This paper reports a synergistic design of high-performance BCC high-entropy alloy based on the com-bined consideration ......
Ignition Pattern Analysis for Automotive Engine Trouble Diagnosis Using Wavelet Packet Transform and
Engine spark ignition is an important source for diagnosis of engine faults.Based on the waveform of the ignition patter......
Agitating is a general operation in chemical industry,which can improve the mixing between the reagents and avoid side r......
Father Christmas’ sleigh broke down on Christmas Eve.He flagged down a passing motorist and asked,“Can you give me a h......
Elementary studies on surface sediment physical properties (physical-mechanic property, engineering features, acoustic ......
在翻译中文关键词的过程中,有一些细节问题不好处理,且尚无统一的法则可依。本文结合科技论文英文关键词的实例,谈谈关键词翻译过......
The suspension of electrodynamic loudspeakers includes a surround of the cone and a spider, and it is characterized by t......
Assessment of hepatic VX2 tumors of rabbits with second harmonic imaging under high and low acoustic
AIM:To investigate the possible clinical application value ofsecond harmonic imaging under low acoustic pressure.METHOD......
Focal depth data of earthquakes in Mainland China are processed and analyzed in this paper, as well as the relationship ......
The annual imp. & exp. value registered an increase of 31.5% over the previous year, amounting to USD 474.3 billion: USD......
目的 探讨机械通气时呼气末正压(PEEP)对血流动力学及每搏量变异(SVV)评价容量状态准确性的影响.方法 将30只健康家猪充分镇静肌松......
When variations occur in the water content or dry bulk density of soil,the contact angle hysteresis will affect the soil......
The Chinese Academy of Sciences scored, among others, the following eight major research achievements in 2002, accordin......
Based on the composite material mechanic theory, the analysis method for the equivalent elastic moduli which are paralle......
In this study,a homogenization method is employed to determine the values of effective elastic modulus for BaZrO3 which ......
In order to get a homogenous mixture and compact of TiB2-Al2O3, hybridization as a surface modification method was used ......
A finite-element simulation of 2008 Wenchuan earthquake and implications for numerical earthquake pr
The dynamic process of the 2008 Wenchuan earthquake is simulated by finite-element method(FEM) ,and the results suggest ......
On the principle of non-incremental algorithm,some basic ideas of process optimal con-trol iterative algorithm,based on......
The world is filled with smart,talented,educated and gifted people.We meet them every day.A few days ago,my car was not ......
Congratulations to the China International Public Relations Association on the launch of its first journal in public rel......
Effect of secondary MO interaction on the regiospecificity in the reactions of α-ionones with single
The eme reactions of α-ionones with singlet oxygen were examined to ascertain theeffect of secondary Me interaction be......
Based on the theory of Housner, the transverse seismic response of beam aqueduct considering fluid-structure cou-pling i......
Stability classification model of mine-lane surrounding rock based on distance discriminant analysis
Based on the principle of Mahalanobis distance discriminant analysis (DDA) theory, a stability classification model for ......
Surface of Ultra-high molecular weight polyethylene (UHMWPE) fiber were treated by chromic acid chemical etching,pyrrole......
The Engineering Business of Sinopec Group has completed mechanic engineeringfor YANSAB’s polyolefin project in Saudi A......
Operational characteristics of mixed traffic flow under bi-directional environment using cellular au
Mixed traffic flow composed of autos and non-autos widely exists in developing countries and areas.To investigate the op......
Sm2Fe17-xNbxNy (x = 0-4) powder was synthesized by HDDR treatment and nitrogenation. The effects of partial Nb substitut......
Under the condition of high-power drive, the experimental phenomena of free stator of traveling wave ultrasonic motor t......
The changes of decay rates of radionuclide 111In(electron capture) and 32P(β decay) induced by exter-nal mechanic motio......
up(my)alley—suited to your interests or abilitiesMarty is a very mechanical person.He loves taking things apart and fi......
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Evolution of Quasicrystals and Long-Period Stacking Ordered Structures During Severe Plastic Deforma
Microstructural evolution during severe plastic deformation and mixing of Mg95.8Zn3.6Gd0.6 and Mg97Cu1Y2(at％)alloys upon ......
Microstructural homogeneity and mechanical behavior of a selective laser melted Ti-35Nb alloy produc
Although using elemental powder mixtures may provide broad alloy selection at low cost for selective laser melting(SLM),......
如果你买不起新车,向朋友借一部,复制下来即可……据说在一次计算机展示会上,比尔·盖茨将计算机行业和汽车行业作了一番比较,并说......
记者手记一:做期刊总是这样,不能传达即时和深深震动的情感,而我依然要用这些文字,让您感受历史和现场的激荡与澎湃。1941年美国飞......
