搜索结果: 1-14 共查到“理学 one-step”相关记录14条 . 查询时间(0.169 秒)
Proven one-step process converts CO2 and water directly into liquid hydrocarbon fuels（图）
converts CO2 water directly liquid hydrocarbon fuels
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2016/3/2
A team of University of Texas at Arlington chemists and engineers have proven that concentrated light, heat and high pressures can drive the one-step conversion of carbon dioxide and water directly in...
One-step generation of multipartite entanglement among nitrogen-vacancy center ensembles
One-step generation multipartite entanglement nitrogen-vacancy center ensembles
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2016/1/22
We describe a one-step, deterministic and scalable scheme for creating macroscopic arbitrary entangled coherent states (ECSs) of separate nitrogen-vacancy center ensembles (NVEs) that couple to a supe...
CONNECTION OF KINETIC MONTE CARLO MODEL FOR SURFACES TO ONE-STEP FLOW THEORY IN 1+1 DIMENSIONS
kinetic Monte Carlo Burton–Cabrera–Frank theory low-density approximation near-equilibrium condition master equation maximum principle
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2015/10/16
The Burton–Cabrera–Frank (BCF) theory of step flow has been recognized as a valuable tool for describing nanoscale evolution of crystal surfaces. We formally derive a single-step BCF-type model from a...
One step at a time, researchers are learning how humans walk（图）
humans walk erectus
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2014/3/17
CORVALLIS, Ore. – Humans and some of our hominid ancestors such as Homo erectus have been walking for more than a million years, and researchers are close to figuring out how we do it.
A unifying framework for the derivation and analysis of effective classes of one-step methods for ODEs
Ordinary differential equations Runge-Kutta methods one-step methods Hamiltonian problems
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2010/12/8
In this paper, we provide a simple framework to derive and analyse several classes of effective one-step methods. The framework consists in the discretization of a local Fourier expansion of the conti...
Centrifuge modeling of one-step outflow tests for unsaturated parameter estimations
one-step outflow tests unsaturated parameter estimations
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2009/5/15
Centrifuge modeling of one-step outflow tests were carried out using a 2-m radius geotechnical centrifuge, and the cumulative outflow and transient pore water pressure were measured during the tests a...
One-Step Synthesis of Hyaluronic Acid-Based (Sub)micron Hydrogel Particles: Process Optimization and Preliminary Characterization
Hyaluronic acid (Sub)micron particles Drug delivery Biomaterials Biodegradable polymer Microgel Nanogels
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2010/4/16
Hyaluronic acid (HA)-based (sub)micron hydrogel particles were synthesized by crosslinking virgin HA with divinyl sulfone (DVS) in sodium bis(2-ethylhexyl)sulfosuccinate (AOT) reverse micelle systems ...
One Step Synthesis of Some 2,5,6-Trisubstituted-1,3-Dioxin-4-ones
Cyclic oxalyl compounds a -oxoketene 1,3-dioxin-4-one
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2010/4/16
A number of novel 2,5,6-trisubstituted-1,3-dioxin-4-one derivatives were synthesized via one step reactions between dibenzoylmethane or benzoylacetone and oxalyl chloride in refluxing solvents contain...
一步3’RACE快速构建鸡MnSOD全长cDNA克隆Rapid Construction of Full-length MnSOD cDNA of Chickens by One-step 3’RACE
RACE 触减PCR MnSOD cDNA
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2008/1/8
摘要
本研究尝试将触减 PCR与3’ cDNA末端快速扩增（rapid amplification of cDNA ends，RACE）技术进行结合，仅用一条特异性引物和一条通用引物，成功地实现了从3’末端cDNA库对鸡含锰超氧化物歧化酶（manganese-containing superoxide dismutase，MnSOD）全长cDNA的一步3’RACE快速构建。与常规使用的末端PCR...
A Class of Multiderivative Hybrid One-step Methods
hybrid one-step method rational approximation
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2007/12/11
This paper presents a class of hybrid one-step methods that are obtained by using Cramer's rule and rational approximation to function exp(q). The algorithms fall into the catalogue of implicit formul...
NASA’s GLAST Mission One Step Closer to Launch（图）
spacecraft Gamma-ray
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2007/4/13
11-Apr-2007，NASA’s next major space observatory, the Gamma-ray Large Area Space Telescope (GLAST), is one step closer to unveiling the mysteries of the high-energy universe. Almost all the components ...
One Step Synthesis and Some Reactions of 7-Hydrazino-3,4-Diphenyl- 2H-Pyrazolo [3,4-d] Pyridazine
7-Hydrazino-3 4-Diphenyl- 2H-Pyrazolo [3,4-d]
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2010/4/21
The 7-hydrazino-3,4-diphenyl-2H-pyrazolo-[3,4-d]-pyridazine 3, obtained in 2 different ways consisting of the reactions of anhydrous hydrazine with 4-benzoyl-5-phenyl-2,3-dihydro-2,3-furandione 1 or 3...
One Step Self-Calibration Procedure in Gamma-Ray Energy Measurements
One Step Self-Calibration Procedure Gamma-Ray Energy Measurements
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2010/10/28
This paper presents a one step self-calibration procedure, based on the least squares method, to be used in gamma-ray energy measurements. The obtained equation allows a qualitative interpretation of ...
One-Step Synthesis of Alkyltrimethylammonium-Intercalated Magadiite
Alkylammomium-Intercalated Magadiite Intercalation Magadiite Organo-Magadiite
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2011/12/6
Abstract: Cetyltrimethylammonium- and tetradecyltrimethylammonium-intercalated magadiites were prepared by direct syntheses, starting from sodium metasilicate (Na2O/SiO2 = 1.0) and nitric acid. Total ...