Two-step相关论文
Photo Switchable Two-step Photochromism in a Series of Ln-Phosphonate(Ln=Dy,Gd,Tb,Y) Dinuclear Compl
Exploring the discrete complexes with multi-step coloration is still a challenge in the field of electron transfer photo......
Two-step Spin-Crossover with Three Inequivalent Fe(Ⅱ)Sites in Two-Dimensional Hofmann-Type Coordinat
Spin-crossover(SCO)complexes were one of the most attractive switchable molecular materials with the potential applicati......
Robust,fluorine-free and superhydrophobic composite melamine sponge modified with dual silanized SiO
Massive oily wastewater discharged from industrial production and human daily life have been an urgent environmental and......
分别采用一锅法和两步法工艺制备了磁性羟基磷灰石复合材料(HAP/Fe3O4复合磁性材料)。通过X射线衍射(XRD)对两种方法合成的HAP/Fe3......
Austempering ductile iron (ADI) is an attractive material due to its excellent comprehensive mechanical properties. Howe......
Effect of Cu content on microstructures and mechanical properties of ADI treated by two step austemp
The effect of Cu content on the microstructures and mechanical properties (yield strength, ultimate tensile strength, im......
In recent years,the metro system has advanced into an efficient transport system and become the mainstay of urban passen......
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Two-step fast microwave-assisted pyrolysis of biomass for bio-oil production using microwave absorbe
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为探索超声协同电化学氧化的最优试验条件,以实现低耗、高效降解污染物,提出了电化学氧化-超声协同电化学氧化的新型两段式降解工......
The security, efficiency, transmission distance and error rate are important parameters of a quantum key distribution sc......
A high speed column-parallel CDS/ADC circuit with nonlinearity compensation is proposed in this paper.The correlated dou......
为了高效浸出花岗岩型铀矿石中的铀,采用黑曲霉两步法和化学氧化联合浸出,研究预培养时间、浸出时间和不同氧化剂及其用量对浸铀效......
Influence of two-step aging on structure and stress corrosion sensitivity of friction stir welded 70
3 mm thick 7050-T7451 aluminum alloy joint was obtained by friction stir welding, and the two-step aging treatment was p......
采用多块均匀分布过剩TiH2的球形孔泡沫铝合金作为坯料置于异型件模具中，用二次泡沫化方法制备出具有均匀孔结构的高孔隙率泡沫铝合......
Recent development of the dynamic analysis technique has made it possible to measure separately kinetic parameters of a ......
通过气质联用、元素分析等手段，对硫化异丁烯产品组分、沉淀组分的化学组成以及结构信息，并对沉淀物形成条件进行探究。结果表明，硫化......
目的 对标准方丝弓矫治器关闭间隙的二种方法，即一步和两步关闭曲法的优缺点进行评价。方法 采用前瞻性配对设计，对20例拔除4个第一......
采用2步最小二乘算法得到的定位结果作为泰勒级数展开算法的初始估计值，并在WCDMA网络平台中进行了仿真和性能测试．该算法得到了比2......
２ＭｅＶ，（１～２）×１０＾１４ｃｍ＾－２硅离子注入ＳＩ－ＩｎＰ（Ｆｅ）造成负的（－３．４×１０＾－４～－２．９×１０＾－４）晶格应变，光快速退火的激活能为０．２６ｅＶ。８８０℃／１０ｓ退火可得到１００％的施主激活。间断两步退火（３７５℃／３０ｓ＋８８０℃／１０ｓ）使注入层单晶恢......
生物技术大实验是生物技术专业的一门重要的专业课程，针对目前该门课程的开设时间长、办学成本高、无统一评判标准的状况，开展了以必......
本文分析了二级展开式国柱齿轮间按体积最小的原则来分配总传动比及各级齿轮间中心距的确定方法。介绍了一般钢制齿轮的简化计算方......
目的构建SIRT7基因乙酰化活性缺失的定点突变真核表达载体。方法用RT-PCR法从293T细胞中扩增SIRT7基因,并克隆到真核载体pcDNA 3.1......
利用喷射成形技术制备Al-10．8Zn-2．8Mg—1.9Cu合金。借助透射电镜、高分辨电子显微镜和拉伸性能测试等手段研究双级时效处理对喷射沉......
目的:探讨术前选择性门静脉栓塞(SPVE)对不宜手术切除的肝细胞癌(HCC)二期手术切除率的影响. 方法:18例不宜一期手术切除的HCC患者......
介绍了自行研制的ＪＲ５００－Ａ和ＪＲ７３０－Ｂ型二次法子午轮胎盛开时机两种机型的主要性能和技术参数。这两种机型均采和可编程微处理机及低压电器控制回路......
在科学、工程领域的研究和应用中,常常会遇到刚性延迟微分方程系统,对它们进行数值仿真时,通常需要稳定性较好计算复杂性小的方法......
Optimization of Biodiesel Production from Waste Vegetable Oil Assisted by Co-Solvent and Microwave U
The two-step catalyzing process for biodiesel production from waste vegetable oil was assisted by both co-solvent and mi......
介绍了一族从三阶收敛的Halley法得到的二步法来近似Banach空间中非线性方程的解.在与Newton法收敛相同的Lipschitz条件下,通过使......
固定Al含量为10%(Al/(Cu+Zn+Al),原子百分比),应用二步同时加料共沉淀法制备了一系列具有不同Cu/Zn比例的铜基甲醇合成催化剂.通过......
Under the assumption that the nonlinear operator has Lipschitz continuous divided differences for the first order, we ob......
采用阳极氧化的方法,通过改变电压的施加方式制备了具有不同形貌的氧化钛薄膜。使用扫描电子显微镜考察了氧化钛薄膜的形貌,结合实......
Near-infrared spectroscopy(NIRS) evaluation and regional analysis of Chinese faba bean(Vicia faba L.
To analyze the nutritional composition of faba bean(Vicia faba L.) seed, estimation models were developed for protein, s......
应用电瓶最佳受电原理，对常用飞机碱性电瓶的充电方式进行了分析和比较，提出了脉冲恒流二阶段充电法是电瓶的最佳充电方法之一的设想......
Deep postbuckling and nonlinear bending behaviors of nanobeams with nonlocal and strain gradient eff
In this paper,multi-scale modeling for nanobeams with large deflection is conducted in the framework of the nonlocal str......
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Mild-condition synthesis of A2ZnH4(A = K, Rb, Cs) and their effects on the hydrogen storage properti
In this paper, A2ZnH4(A = K, Rb and Cs) have been synthesized for the first time by a new approach involving in two-step......
采用两步法，首次以硫代苯甲酸合成的CA（SCOC6H5）2在十六胺（HAD）介质中于120℃热解合成了CdS纳米晶，并采用透射电子显微镜（TEM）、X射线衍射（X......
The thermal neutron capture gamma radiations for 51V(n, g)52V reaction have been studied at Dalat Nuclear Research React......
A deterministic phase-encoded encryption system is proposed. A lenticular lens array (LLA) sheet with a particular LPI (......
Phosphoric Acid-assisted Pretreatment Strategy for the Rational Synthesis of Lignin-derived Hierarch
In this article, a facile two-step activation method, coupled with phosphoric acid(H3PO4)-assisted pretreatment and foll......
Kesterite Cu2ZnSn(S,Se)4(CZTSSe)solar cells have drawn worldwide attention for their promising photovoltaics performance......
本文考察了三维编织方法的发展历史及应用背景，针对不同的编织方法，研究了所产生的编织复合材料基本“单胞”结构，以及不同编织参数对......
