搜索结果: 1-15 共查到“理学 Magnesium”相关记录40条 . 查询时间(0.062 秒)
Intake of potassium- and magnesium-enriched salt improves functional outcome after stroke: a randomized, multicenter, double-blind controlled trial
stroke potassium magnesium enriched salt neurologic performance
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2018/11/20
Background: Stroke is one of the leading causes of mortality and neurologic deficits. Management measures to improve neurologic outcomes are in great need. Our previous intervention trial in elderly s...
The effect of magnesium supplementation on blood pressure in individuals with insulin resistance, prediabetes, or noncommunicable chronic diseases: a meta-analysis of randomized controlled trials
blood pressure cardiovascular diseases insulin resistance
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2018/11/16
Background: To our knowledge, the effect of magnesium supplementation on blood pressure (BP) in individuals with preclinical or noncommunicable diseases has not been previously investigated in a meta-...
"The Effect of Magnesium Coordination on the 13C and 15N Magnetic Resonance Spectra of Chlorophyll a.The Relative Energies of Nitrogen np States as Deduced from a Complete Assignment of Chemical Shifts"
Magnesium Coordination 13C and 15N Magnetic Resonance Spectra Nitrogen np States Complete Assignment Chemical Shifts
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2016/5/20
The 5 5 13Cand 4 I5Nnmr transitions in chlorophyll a and its magnesium-free derivative pheophytin a have been assigned. Emphasis is placed on the quaternary carbon atoms of the macrocycle which carry ...
Long-term magnesium supplementation improves arterial stiffness in overweight and obese adults: results of a randomized, double-blind, placebo-controlled intervention trial
magnesium, intervention study, arterial stiffness, pulse wave velocity, blood pressure
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2018/11/29
Background: Epidemiologic studies have suggested a protective effect of magnesium intake on cardiovascular disease risk. However, intervention trials of magnesium supplementation on blood pressure and...
Synthesis and characterisation of hydrotalcite from bauxite residue liquor and magnesium nitrate
Synthesis characterisation hydrotalcite bauxite residue liquor magnesium nitrate
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2012/3/30
The extraction of alumina from bauxite by the Bayer process produces a slurry by-product referred to as ‘bauxite residue’ or ‘red mud’. The liquid component of the slurry is highly alkaline and requir...
Study on Clean Leather Deliming Process with Sulfonated Phthalic Magnesium Salt
Deliming Leather Cleaer Production Non-Ammonium Deliming Agents Sulfonated Phthalic Magnesium Salt
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2011/11/23
Sulfonated phthalic magnesium salt (SPMS) was used in the leather deliming process. The deliming properties of SPMS was determined with the indicators such as the change of pH, content of NH4-N, COD o...
Elastic Tensor and Thermodynamic Property of Magnesium Silicate Perovskite from First-principles Calculations
Thermodynamic property Elastic property MgSiO3 perovskite
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2012/4/5
The thermodynamic and elastic properties of magnesium silicate (MgSiO3) perovskite at high pressure are investigated with the quasi-harmonic Debye model and the first-principles method based on the de...
A grid of NLTE corrections for magnesium and calcium in late-type giant and supergiant stars: application to Gaia
formation radiative transfer stars late-type atmospheres abundances
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2011/10/18
We investigate NLTE effects for magnesium and calcium in the atmospheres of late-type giant and supergiant stars. The aim of this paper is to provide a grid of NLTE/LTE equivalent width ratios W/W* of...
Thermochemical reduction of magnesium sulfate by natural gas: Insights from an experimental study
natural gas thermochemical sulfate reduction (TSR) carbon isotope fractionation
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2017/4/12
Thermochemical reduction of MgSO4 by natural gas was carried out in the presence of water. Chemical and carbon
isotopic variations were characterized with microcoulometry, gas chromatography, FT-IR, ...
Sources and controls of calcium and magnesium in storm runoff:the role of groundwater and ion exchange reactions along water flowpaths
calcium magnesium groundwater ion exchange reactions
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2009/6/8
A combined hydrological and chemical investigation was undertaken in a small moorland catchment at Plynlimon to determine the processes controlling storm runoff chemistry. Flow from natural soil pipe...
Space-borne measurements of mesospheric magnesium species – a retrieval algorithm and preliminary profiles
space-borne mesospheric magnesium species preliminary profiles
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2008/11/4
We present a joint retrieval as well as first results for mesospheric air density and mesospheric Magnesium species (Mg and Mg+) using limb data from the SCIAMACHY instrument on board the European EN...
The Influence of Procedure Parameters on Rheological Property of Semi-solid AZ91D Magnesium Alloy
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2007/7/28
期刊信息
篇名
The Influence of Procedure Parameters on Rheological Property of Semi-solid AZ91D Magnesium Alloy
语种
中文
撰写或编译
作者
Y X Jiang,S S Xie,X G Li,Lei Li
第一作者单位
刊物名称
JOURNAL OF RARE EARTHS
页面
Vol.22,20...
Relating Hygroscopic Properties of Magnesium Nitrate to the Formation of Contact Ion Pairs
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2007/7/28
期刊信息
篇名
Relating Hygroscopic Properties of Magnesium Nitrate to the Formation of Contact Ion Pairs
语种
英文
撰写或编译
撰写
作者
Yun-Hong Zhang,Man Yee Choi,and Chak K. Chan*
第一作者单位
Department of Chemistry, Schoo...
Synthesis and characterization of magnesium-saponite by hydrothermal way
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2007/7/28
期刊信息
篇名
Synthesis and characterization of magnesium-saponite by hydrothermal way
语种
英文
撰写或编译
撰写
作者
Yao Ming,Wang Kai-xiong,Liu Zi-yang,Shi Wen-yan,Sun Hong-jie
第一作者单位
浙江大学
刊物名称
合成化学
页面
12(5):457-461
出...
复盐法制备无水氯化镁的热解机理及动力学研究(Mechanisms and Kinetics for Preparation of Anhydrous Magnesium Chloride by Complex Thermal Decomposition Method)
苯胺盐酸盐 水氯镁石 热解机理 动力学 无水氯化镁
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2010/8/18
The complex compound (MgCl2·C6H5NH2·HCl·6H2O) was prepared by reaction of C6H5NH2·HCl with MgCl2·6H2O. Reaction mechanism and kinetics of the compounds decomposition were studied by means of the TG-DT...