As an important load of BDS,the performance of satellite-borne atomic clock directly affects the service level of naviga......

采用非均匀采样与功率谱反演法产生与湍流尺度相关的各向异性非Kolmogorov湍流随机相位屏，进而利用空间光调制器模拟研究圆艾里高斯......

光学支撑镜架结构稳定性是影响光束定位精度的重要因素。基于光学法进行了镜架结构稳定性测量技术研究, 编写了光学稳定性测试软件......

The output current harmonic distortion of a three-level inverter is less than the traditional twolevel inverter.The volt......

【Abstract】The fortnightly periodicity and other patterns of the seismic activities on the earth suggest that lunar and......

W ith numerous anti-bullying campaigns， social movements and media productions across the world， the title “bully” has b......

Fusion born α particle confinement is one of the most important issues in burning plasmas,such as ITER and CFETR.Howeve......

In August 2018,a remarkable polynya was observed off the north coast of Greenland,a perennial ice zone where thick sea i......

　　Candeia wood (Eremanthus erythropappus) produces an essential oil rich in α-bisabolol, used in cosmetics and drugs ......

Sand damages along the Qinghai-Tibet Railway occur frequently and have spread rapidly since it was completely opened to ......

“头文字”在日文里是“缩写”的意思，而英文字母D代表的是“Drift”的意思，字面解释是“飘移”之意。但事实上，Drift是一种汽车驾驶......

忘了是谁，反正是一个很有名的赛车手曾经说过，每个驾驶者的人内心都会有超车的冲动，渴望飚车的快感，《头文字D》便是这样一部能引发人......

<正> On account of the close relations between the ionospheric state and radio communication, ionospheric physics has be......

The fabrication and characterization of a laser ionization source for ion mobility spectrometer (IMS) is described with ......

Drift phenomenon has been known as the drawback of sensors and causes inaccuracy on the long-term measurement. In genera......

Equatorial spread-F (ESF) backscatter plumes are often observed in radar range-time-intensity (RTI) maps at low latitude......

This study has measured the density-normalized effective ionization coefficients (α-η)/N, the electron drift velocity ......

1954年3月氢弹首次使人成为受害者。一只日本渔船上的船员在返港时因遭受放射性尘埃严重侵蚀而身染疾病,放射性尘埃来自月初美国......

[Objective] To establish an analytical method for simultaneously determining the alisol C 23-acetate,Alisol A,alisol B,a......

The behavior of saturated aqueous Na Cl solutions under a constant external electric field(E) was studied by molecular d......

The lack of knowledge concerning modelling existing buildings leads to significant variability in fragility curves for s......

Graphene has attracted enormous interests due to its unique physical, mechanical, and electrical properties. Specially,g......

An original reinforced concrete(RC) column and four strengthened specimens, two with RC jackets and two with wing walls,......

An accurate estimation of the applied load pattern is an essential component in each pushover procedure. Recently, a num......

In this paper, the definition of latitudinal density and density flattening of the level ellipsoid is given, and integra......

We report the spatiotemporal statistical characteristics of amplitude scintillation over Nanjing.A FFT method for comput......

阿克苏诺贝尔集团(AkzoNobel)旗下装饰漆涂料品牌多乐士(Dulux)日前在台湾举办2017色彩趋势发表会暨空间色彩论坛,并以“Life in t......

教学过程Step 1. Warming up Game:I say,you say.快速说出以下动词的过去式:do,say,have,come,write。Step 2. Revision and pres......

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅＭｏｄｅｌｏｆＤｒｉｆｔＤＬＡＴｈｅｍｏｄｅｌｏｆＤＬＡｗａｓｐｒｏｐｏｓｅｄｂｙＷｉｔｅｎａｎｄＳａｎｄｅｒｉｎ１９８１［１，２］．Ｉｎｔｈｉｓｍｏｄｅｌ，ｔｈｅｐａｒｔｉｃｌｅｓａｒｅａｓｕｍｅｄｔｏｆｏｌｏｗｒ... Introduction The ModelDrift-DL Ahemodelof DLA wasproposed by Whiten and Sanderin 1981 [1,2]. Inthismodel, thepa......

By a laser vaporization/pulsed molecular beam method, the carbon anion clusters C(n=1 to 45) are produced and analyzed. ......

Transient transport of electrons in ZnS-type thin film electroluminescent devices is studied with Monte Carlo method. T......

The Kebao coal basin is located at the middle segment of the Xiaojiang fault zone in the central part of Yunnan Province......

The decays of transient photoconductivity and their light-induced changes of polymorphous silicon (pm-Si:H) films were i......

We have analyzed the operating mechanism of the novel deep submicrometer SOI drive-in gate controlled hybrid transistor ......

A model for analyzing point defects in com-pound crystals was improved. Based on this modified model, a method for measu......

7月24日Fiers教授在桂林漓江饭店讲学,Fiers教授在基因工程方面的研究较深,已有多篇论文在“Nature”杂志及“Cell”杂志分开发表......

The ~(27)Al~+ ion optical clock is one of the most attractive optical clocks due to its own advantages such as low black......

Through the study of the theory of oil spill model, a mathematical modeling of oil spill on the sea is developed which w......

A new LDMOST structure, named B-LDMOST that has a buried layer under thedrain is proposed. The buried layer is not conn......

An input coupler for the TE021 circular electric mode in a gyroklystron amplifier through using TE811 as a transition c......

The bonding of β“-Al_2O_3 and pyrex glass to Al matrix composites by anodic bonding process is achieved.The microstruc......

A list of the land Mollusca found in Val Trompia (Province of Brescia,Lombardy.Italy) is presented with collecting site......

研制了两种薄膜 SOI高压 MOSFET,一种是一般结构 ,另一种是新的双漂移区结构 .两者的栅宽均为76 0μm,有源区面积为 8.5 8× 10 - ......

This paper deals with the work for obtaining the gravitational value G on the basis of gravitational observation for 5 ......

The United States,facing its deepest financial crisis since the Great Depression,has spared no efforts to save its econo......

The fluid models of gas discharge in alternating current plasma display panel (AC PDP) cell are discussed. From the Bolt......

According to questions in the design of high quality small signal amplifier, this paper gave a new-type high performance......

建立了高压RESURF LDMOS的开态击穿模型.该模型考虑了载流子的速度饱和现象和寄生双极性晶体管的影响,获得了开态下 LDMOS 漂移区......

For the buncher system with the sine waveform,the beam with phase width of 110° will be bunched in effect. So the pulse......

The advantages of the extended gate field effect transistor (EGFET) compared with the ion sensitive field effect transi......