<正> Of the various factors responsible for the formation of the world’s climate, radiation from the sun, which serves ......

<正> In the La2O3-BeO binary system, two compounds, La2O3. 2BeO and 3La2O3.2BeO, have been identified, while others betw......

Under global warming scenarios, the passive method of simply increasing the thermal resistance by raising the embankment......

In this paper, the research was focused on optimizing low-temperature heat recovery to adopt multi-effect distillation (......

Spinel Li CoMnO4 is prepared by solid-state reaction and its magnetic properties are comprehensively studied by direct c......

The aim of this work is optimizing the techniques to prepare pure cellulose microspheres, which are used as packing adso......

Single crystalline samples of type-I and type-VIII Ba_8Ga_(16-x)Cu_xSn_(30)(x = 0,1) clathrates are prepared by the Snfl......

A three-dimensional finite element program for thermal analysis of hydration heat in concrete structures with a plastic ......

The water-cooled ceramic breeder blanket(WCCB) is one of the blanket candidates for China fusion engineering test reacto......

Neutral aluminum clusters Aln (n up to 30) have been generated using laser vaporization and pulsed molecular beam techni......

In this paper a waveguide CO 2 laser with two unequal long channels excited by radio frequency (RF) is presented. The v......

Ｗｈｅｎａｎａｔｏｍａｂｓｏｒｂｓｏｒｅｍｉｔｓａｐｈｏｔｏｎ，ｔｈｅｒｅｉｓａｃｏｒｅｓｐｏｎｄｉｎｇｃｈａｎｇｅｉｎｔｈｅａｔｏｍ’ｓｃｅｎｔｅｒｏｆｍａｓｍｏｍｅｎｔｕｍ．Ｔｈｉｓ“ａｔｏｍｉｃｒｅｃｏｉｌ”ｏｒ“ｐｈｏｔｏｎｒｅｃｏｉｌ”... Whenanatomabsorbsoremitsaphoton, thereisacorespondingchangeintheatom’scenterofmasmomentum. This ......

The reformation of (Bi,Pb)-2223 from the liquid or melt is very important for a melting process of (Bi,Pb)-2223 tape. By......

Quasi-CW diode-pumped Yb3+: borate glass and Yb3+: phosphate glass microchip lasers have been reported. From Yb3+: phosp......

Using specially coated mirrors, an output energy of 0.97 J at 1.32 μm from a Nd3+: YAG pulse laser is obtained with pum......

By the Grignard reaction of 1, 1-di-deutero-1-bromobutane with phthalaldehydic acid 1’,1’-di-deutero-3-n-butyl phthal......

A new dinucleating ligand consisting of a tetraphenylporphyrin derivative covalently linked with tris(2-benzimidazylme......

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

为了明确热HCP马氏体对CoAl和CoNi合金形状记忆效应的作用,研究CoAl和CoNi合金形状记忆效应(SME)与应力诱发马氏体和热HCP马氏体之......

By studying the effect of thermodynamic and kinetic factors on the nucleation frequency of under-cooled metals, the exp......

A new type water-cooled heat dissipater for multiple high-power thyristors in explosion-proof shell usedin coal mine wa......

In order to meet the demand of prehardened steel for large section plastic mould and save energy, a non-quenched prehard......

A liquid-nitrogen-cooled Tm, Ho:YLF laser is constructed with a 10-mm-long Tm(6%) and Ho(0.5%) co-doped yttrium lithium......

Operation of 808-nm laser diode pumping at elevated temperature is crucial to many applications. Reliable operation at ......

The LaNi_2Si_2 alloy was prepared in a water-cooled copper crucible in an are melting furnace With a non-self-consume W......

The growth of superconducting YBC single crystals with millimeter dimen-sions by Czochralski technigue is reported in t......

INTRODUCTION. Some relationship have been discovered among frequency doubling effect, moleculer electronic structure, a......

This study is aimed at predicting the relationship between the meniscus and the quality of the sapphire crystals produce......

High power broad area semiconductor lasers have found increasing applications in pumping of solid state laser systems an......

Thermal plastic strain fatigue life of the rolls have been approximately estimated by us-ing Neubers plastic stress-str......

For cooled 320×240 detector with staring focal plane array,a novel middle infrared athermal optical system is presented......

A diode pumped,Q-switched Nd:YAG zigzag slab laser is developed using passive conduction cooling. Flat-flat and unstable......

A high power waveguide directional coupler was designed to measure the transmitted power and reflected power in the 4.6 ......

Possibility of making Al-Pb alloy plate with Pb dispersed uniformly by LDC(Liquid Dynamic Compact)technology hasbeen st......

A high packing density laser diode stack array is developed utilizing Al-free active region laser bars with a broad wave......

The optical properties of self-assembled InAs quantum dots (QDs) on GaAs substrate grown by metalorganic chemical vapor ......

A novel asymmetric broad waveguide diode laser structure was designed for high power conversion efficiency(PCE).The inte......

The use of cooled dialysate temperatures first came about in the early 1980 s as a way to curb the incidence of intradia......

A diode-pumped doubly Q-switched Nd∶YAG laser operating at 1064nm both with an acoustic-optical(AO)modulator and Cr4+∶......

A new circuit model for designing and manufacturing an S-band low noise amplifier(LNA) with the software,Advanced Design......

A conductively cooled,laser diode(LD) end-pumped,injection-seeded single-frequency Nd:YAG laser is designed and implemen......

A series of laterally o difluoro substituted chiral liquid crystals, S(+) 2 methyl 1 butyl 4′ [(4 alkoxyl 2, 3......

New niobate crystal Ba_(2.6)Na_(0.4)Cu_(0.2)Nb_(4.8) O_(15) was synthesized in BaO-Na_2O-CuO-Nb_2O_5 system. Its morpho......

A novel, compact diode-end-pumped conductively cooled Q-switched Nd:YLF laser is developed. A diode-end-pumped pair of N......

The ligand of N-(3-fluoropropyl)-2β-carbomethoxy-3β-(4’-iodophenyl) nortropane (FP-β-CIT) and mesylate precursor wer......

A new laser crystal Nd0.05La0.95Sc3(BO3)4 up to 50mm(38mm(7 mm was grown by top-seeded solution growth method from a Li6......

Effects of ultrasound on intensification of separation process were investigated through the experiment of desorption eq......

Structure and magnetic properties of Ni nanoparticles and Ni(C) nanocapsules were studied. The carbon atoms hardly affec......

A new niobate crystal Ba4Na2 VNb9O30 was synthesized in BaO-Na2O-V2O5-Nb2O5 system for the first time. Its shape, optica......

Research on the development of the optical frequency standard based on trapped and cold 40 Ca+ with the 4s2S1/2-3d2D5/2 ......