purity相关论文
Influences of Ignition Temperature,Urea-to-Metal Nitrates Molar Ratio,and Further Calcination on Syn
The self-propagating combustion reaction(SPCR)method was employed to synthesize C4AF using metal nitrates as cation prec......
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The process of preparing SiC coating by electron beam-physical vapor deposition (EB-PVD)was discussed from viewpoint of ......
讨论了高Q饱和克尔(Kerr)介质腔中单个两能级原子与单模光场发生双光子相互作用时原子动力学行为的演化。......
The upcoming 2020 Beijing Winter Olympics is exciting Chinese people’s interest in ice and snow sport and speeding up t......
本文介绍了国内外盾构设备及其工作要求,详细介绍了盾构液压油的发展现状和高洁净度抗磨液压油的研制过程及应用情况,通过研究和理......
Anthocyanins not only have vivid colors ranging from pink through red and violet to dark blue,but also have potentia......
<正> The single crystal of LiTaO3 is an important ferro-electric crystal, pcssessing comparatively better electro-optic,......
除草剂抵抗酒吧基因广泛地在工厂上在学习被用作可选的标记基因基因转变。由于进米饭染色体的基因的集成，转基因的米饭对除草剂够了......
对用于溶液标准物质制备的12种氯苯类纯品原料进行了高效液相色谱法(HPLC-DAD)和气相色谱法(GC-FID)两种纯度定值方法的研究。在优......
新中式风格是现阶段国内十分流行的一种室内设计风格,这一风格相较于传统中式风格更加宜居,更具有东方式的气质美和禅意美。本文以......
Effect of Ce on castability, mechanical propcrties and electric conductivity of commercial purity al
Effects of Ce addition on microstructure,castability(fluidity and hot tearing sensitivity),mechanical properties and ele......
A new method was developed based on the electron beam vacuum dispersion(EBVD) technology to prepare the PTFE polymer coa......
Experimental and model comparisons of H_2O_2 assisted UV photodegradation of Microcystin-LR in simul
The degradation of Microcystin-LR (MC-LR) in water by hydrogen peroxide assisted ultraviolet (UV/H2O2) process was inves......
A porous Co_3O_4 with a particle size of 1–3 μm was successfully prepared by heating Co-based metal organic frameworks......
Undercooled Fe75Ni25 melts were phase-seeded by a high purity iron. It was found that above a critical undercooling, △T......
On-spec Propylene Delivered During Successful Trial Commissioning of MTP Unit at Shenhua Ningxia Coa
On October 4, 2010 the methanol-to-propylene (MTP)unit at Shenhua Ningxia Coal Industry Group began to deliver propylene......
The Sr3Tl5 phase was prepared by high temperature synthesis techniques through reaction of the high purity elements in t......
Thiamine hydrochloride(VB1):An efficient catalyst for one-pot synthesis of α-aminophosphonates under
An efficient synthesis of novelα-aminophosphonates by the reaction of aldehydes and amines with triethyl phosphite in t......
A novel synthesis process of ETS-4 titanosilicate using commercial anatase in the absence of fluorid
A novel synthesis process for ETS-4 titanosilicate using commercial anatase as the titanium source in the absence of flu......
Temperature Field Analysis and Adaptive Neuro-fuzzy Inference System for MgO Single Crystal Producti
The temperature field in MgO single crystal furnace is crucial to grow high-purity MgO single crystals with large sizes.......
Red-emission organic light-emitting diodes based on solution-processable molecules with triphenylami
We report red-emission organic light-emitting diodes (OLEDs) based on solution-processable organic molecules with triphe......
We report a synthetic design and the experimental exploration of preparation of disubstituted polyacetylenes(PAs,P3) thr......
Extraction and Purification of Oligomeric Proantho Cyanidins from Pine Bark and Its Hypolipidemic Ef
[Objective]To study the extraction and purification methods for Oligomeric Proantho Cyanidins (OPC) from pine bark and i......
High temperature self-propagating synthesis (SHS) process is very rapid, the reaction process becomes un-controlled afte......
[Objective] The aim was to find out the optimal conditions to separate polysaccharides from FRUCTUS LYCII by microfiltra......
The phase diagram, growth and optical property of LaBWO6 crystal are reported. LaBWO6 crystal melts congruently at 1078 ......
A fluorescent pyrene derivate,N-allyl-1-pyrenemethylammonium hydrochloride(APA+),was reported to form a stable host–gue......
Layered hydroxide metal acetate Co2(OH)3(CH3COO)·H2O with an interlayer spacing of 1.282 nm has been synthesized by a n......
The variety,inner quality and surface quality of low-alloy spring steel wire rod for domestic automobile is summarized i......
In the present study, Schwann cells were isolated from the sciatic nerve of neonatal mice and purified using dispase and......
In this article, we present a facile, direct, synthetic approach of preparing monodisperse [Au25(SePh)18]-nanoclusters i......
We describe here a rapid process for the preparation of new 9-chloromethyl-12-aryl-10,12-dihydrobenzo[5,6]chromeno[2,3-d......
The Ce-TiO2/KL(diatomite) ball photocatalyst was prepared and characterized based on the pretreated diatomite. The resul......
Three kinds of KH2PO4 raw material are used to grow deuterated potassium dihydrogen phosphate(DKDP) crystals by traditio......
Structural characterization of 1β,11α-dihydroxycanrenone biotrans-formed from canrenone by Aspergill
Canrenone(1) was biotransformed into 11α-hydroxycanrenone(2) and a main byproduct(3) by Aspergillus ochraceus SIT34205.......
Using argon as the work gas,the effects and mechanisms of poly(tetrafluoroethylene) (PTFE) film surface modification wer......
3-Amino-2-methoxycarbonylthiophene used as the main raw material,an intermediate(thiofuran siamese) 2,4-dichloro-thieno[......
[Objective]The aim was to find optimum reaction conditions for synthetic process of Vitamin C.[Method]Vitamin C sodium w......
Anhydrous EuI2 is an essential raw material for novel Eu2+-doped halide scintillators such as SrI2:Eu, CsBa2I5:Eu and Ba......
In the family of organic solar cells with the donor materials of organic molecules(vacuum-deposited or solutionprocessed......
Effect of Anodization Parameters on Morphology and Photocatalysis Properties of TiO_2 Nanotube Array
Highly ordered TiO2 nanotube arrays were fabricated via electrochemical anodization of high purity Ti foil in fluoride-c......
Facile and one-pot,electro-organic synthesis of a new bis-quinone by the ECCE mechanism in green med
Electrochemical oxidation of 4-methyl catechol(1a) is investigated in the presence of 1,3-indandione(3)as nucleophile in......
The Stereocomplex Formation and Phase Separation of PLLA/PDLA Blends with Different Optical Purities
In this study, the poly(L-lactide)/poly(D-lactide)(PLLA/PDLA) blends with different optical purities of PLLA and various......
Development of Method for Determination of Impurities Sr and Ru Generated from LEU Producing Fission
Generally,some impurities(e.g.~(90)Sr and~(103)Ru)are also generated along with the production of fission-~(99)Mo by low......
Poly(L-lactide-co-caprolactone)(85-15)[P(LLA-CL)(85-15)] was synthesized from high purity L-lactide and ε-caprolactone ......
Comparison of reversed-phase enantioselective HPLC methods for determining the enantiomeric purity o
A simple analytical high-performance liquid chromatography(HPLC) method was applied for the enantiomeric excess determin......
Synthesis, structure and NIR luminescence properties of Yb~(3+) and Bi~(3+)-activated vanadate GdVO_
Near-infrared emission of Yb~(3+) and Bi~(3+)-co-doped GdVO_4 vanadate phosphors obtained via the modified Pechini’s me......
在溶液内,利用聚丙烯酰胺为还原剂制备出了聚丙烯酰胺保护下的Au纳米粒子。聚丙烯酰胺起到双重作用,它是制备金纳米粒子的还原剂;......
