Materials Literature
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Single‐photon as well as polarization‐correlated photon pair emission from a single semiconductor quantum dots is demonstrated. Single photon generation and single photon‐pair generation with little uncorrelated multiphoton emission and the feasibility of media conversion of the quantum states between photon polarizat…
Emission Mössbauer spectroscopy is about three orders of magnitude more sensitive than the conventional absorption mode, thereby allowing parts per million substitution of 57Co at the Cu or Mn active site without perturbing the finely-tuned material. 57Co faithfully probes the behavior of Cu-based high temperature sup…
The analysis of а and b chlorophylls, β-carotene, and xanthophylls in the cells of green algae-photobionts from genera Asterochloris, Myrmecia, Trebouxia and Trentepohlia had shown the heterogeneity of their pigment content both on generic and specific levels. For genera Trebouxia and Myrmecia pigment content was iden…
The synthesis and characterization of the manganese(II) complexes [MnII(Hbpeten)] and [MnII(Hbnbpeten)], where H3bpeten and H3bnbpeten are respectively [N,N'-bis-(2-hydroxybenzyl)-N-(2-pyridylmethyl)-N'-(2-hydroxyethyl)ethane-1,2-diamine] and [N,N'-bis-(5-nitro-2-hydroxybenzyl)-N'-(2-hydroxyethyl)ethane-1,2-diamine],…
Several pentasil-type zeolites with different Si/Al ratios and different channels dimensions have been dealuminated in acidic medium by conventional heating and under microwaves for comparison. Microwaves led to faster dealumination than conventional heating, and provoked differences in the acidic and surface properti…
Sol–gel derived bioactive glasses are thought to have high potential as materials for bone regeneration and drug delivery devices. They bond to bone and have a controllable degradation rate. Their unique nanoporosity provides high surface area and exposes a high concentration of surface hydroxyl groups. Protein adsorp…
Depth profiled positronium (Ps) annihilation lifetime spectroscopy (PALS) is an extremely useful probe of the pore characteristics in nanoporous low-dielectric (low-k) constant thin films. PALS has also been considered as a potential probe to investigate diffusion barrier integrity and the structural changes of porous…
更 / 都电的飞机(M/AEA ) 的基本概念和优点简短被探讨。联合跑步者 / 发电机(CS/G ) 系统作为一种关键技术被介绍启用 M/AEA。为 CS/G 系统的一些重要性能要求被获得。基于这些要求，高速度交换了勉强机器(SRM ) 被设计作为一个跑步者 / 发电机操作。全部设计过程主要被划分成二个阶段：电磁的设计和热设计。在电磁的设计舞台，机器的电磁的结构和每杆弯屈拐弯的阶段的数字被获得；拓扑学和变换器的主要技术细节简短也被介绍。在热设计舞台，一个凉下来液体的系统基于机器的热分析被设计。最后，设计 SRM 的表演被模拟基本上验证。得到高效，令人激动的角度分别地在二个不同操作模式被优化，并且在交通模式的优化表演也被给。
The oxidation of residual product for recycling is a key problem to develop the magnesia desulfurization process. Samples of high purity magnesium sulfite were prepared by rotary evaporation in vacuum. The uncatalyzed oxidation kinetics of magnesium sulfite was studied by a bubbling apparatus. Effects of pH,oxygen par…
Based on the variation principle, many methods have been developed in atomic structure calculations. A high quality complete basis set is essential to the calculation of atomic structures. We present how to construct quasi-complete basis sets through Dirac-Fock calculations and multi-configuration Dirac-Fock self-cons…
The application of heterogeneous photocatalysis is described as an advanced oxidation process (AOP) for the degradation of the diazo reactive dye using immobilized TiO2 as a photocatalyst. Starting TiO2 solutions were prepared with and without the addition of polyethylene glycol (PEG) and TiO2 films were directly depo…
为研究洪湖浮游植物群落结构及其与环境因子的关系,于2008年3月(枯水期)及7月(丰水期)在洪湖进行采样分析。两次采样共鉴定有浮游植物6门46属95种,细胞丰度变化范围为2.00×105-284×105 cells/L。硅藻为两个季节绝对优势门类,其次为绿藻及蓝藻;主要种属为直链藻、脆杆藻、栅藻等.丰水期与枯水期浮游植物群落结构季节差异较大;在枯水期由于硅藻对水温和光照较好的适应能力使其处于优势门类;丰水期由于其他藻类对营养盐的竞争及水体中硅含量充足使得绿藻等生长同时硅藻能继续保持优势地位。主成分分析表明在洪湖富营养化水平及水体中离子类型、水体中物质组成和污染程度是影响浮游植物生长的三类主要因素;典范对应分析结果表明浮游植物群落结…
In this work, tensile and yield stress and tensile and yield strain of oblique layer functionally graded steels produced by electroslag remelting were investigated. Functionally graded steels containing ferrite, austenite, bainite, and/or martensite layers may be fabricated via diffusion of alloying elements during th…
The chemical states of -ion-sputtered amorphous Ga–In–Zn–O ( -GIZO) thin films were investigated by high-resolution X-ray photoelectron spectroscopy. The sputtering reduced the Zn and In contents relative to that of Ga and generated a subgap state above the valence band maximum. Further sputtering resulted in metallic…
The full potential linear augmented wave method has been used for an ab-initio study of structural, electronic and high pressure phase transformation features of ZnAl 2 Se 4 . The exchange and correlation potential (XC) was calculated using the Perdew–Burke–Ernzerhof generalized gradient approximation (PBE-GGA) and th…
Psyllium traditionally is used as a laxative agent and a source of dietary fiber. Recently, in the landscape industry, a psyllium-based binding product was innovatively used to replace chemical binders for pavement in environmentally sensitive areas. The ingredients of the psyllium-based binding product were determine…
A comparison of the synthesis and structural properties of magnetic FePt nanostructures is presented. The FePt nanoparticle system is an excellent candidate for ultrahigh-density magnetic recording. Monodisperse FePt nanoparticles were synthesized by the superhydride method. The composition of nanocrystals was determi…
Based on a large number of experiments on solubilization of poorly water-soluble drugs, the author is of the opinion that hydrotropy is another type of cosolvency and all water-soluble substances whether liquids, solids, or gases may act as solubilizers for poorly water-soluble drugs. In the present investigation, a m…
A level-set method for computations of interfacial flows with insoluble surfactants with electric fields is presented.The discontinuities at the interface are captured in a sharp manner using the ghost-fluid method.The accuracy of the method is tested and compared to the standard level-set method.The method is then us…
The deliberately prepared one ssDNA/one micelle complex has an unstable toroidal DNA-bound region and stable upper and lower hemispheres, and thus can self-assemble along the plane of the unstable toroidal region into free-suspending films.