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Extraction and separation of thorium and rare earths with 5,11,17,23-tetra (diethoxyphosphoryl)-25,2
A calixarene derivative, 5,11,17,23-tetra(diethoxyphosphoryl)-25,26,27,28-tetraacetoxycalix[4]arene (L), was studied for......
[Objective] To optimize the extraction process of total sterol from LONGAN SEEDS.[Method] Total sterol was extracted fro......
由白色的 bisphenol A (BPA ) biodegradation 上的 -Fe<sub>2</sub>O<sub>3</sub> nanoparticles 的效果腐烂真菌(Pleurotus ostr......
MnO@C nanocomposites are synthesized by annealing MnO microspheres treated with oleic acid as carbon source. The obtaine......
In this paper, we build up a three-dimensional model for CO2 storage in the deep reservoir. And this paper gives the mat......
The title compound 4-(dichloroacetyl)-1-oxa-4-azaspiro[4. 5] decane (CAS number 71526-07-3, C10H15Cl2NO2, Mr= 252.13) wa......
High-precision isotope composition determinations using multicollector, magnetic-sector induc- tively coupled plasma mas......
The diffusive fluxes of inorganic nitrogen across the intertidal sediment-water interface of the Cha
Ammonium and nitrate concentrations were analyzed in near-bottom water and pore water collected from ten stations of the......
This article reports the study on acid equilibrium during bioleaching of alkaline low-grade copper sulfide ore. Adding a......
Here we use an analytical method to determine δ13C in local plants and organic matter in the soils above Furong cave,Ch......
Nd2O3 was used to support Al2O3 and ZnO to prepare a supported solid base catalyst and investigate the effect of catalys......
The oil crisis has prompted renewed interest in direct burning of oil shale as an alternative energy source. A major pro......
The purpose of the study is to decrease content of CaF2 in dephosphorization slag.The dephosphorization effects of CaF2 ......
A phase diagram was drawn through thermodynamic calculation to understand the equilibrium conditions of 2MgO·SiO2,MgO·......
Minocycline inhibits neuroinflammation and enhances vascular endothelial growth factor expression in
BACKGROUND: Brain ischemia involves secondary inflammation, which significantly contributes to the outcome of ischemic i......
Bacterial adhesion is crucial to the dissolution of minerals and rocks.By employing dialysis method,we designed comparat......
p-Tolylsulfenyl chloride adds regioselectively at the C(11)=C(12) bond of cembrene 1 togive 11-(R)-p-tolylthio-1-(S)-ce......
The isoelectric point (IEP) and zero point of charge (ZPC) of magnesium aluminumhydroxide were studied by electrophores......
Sodium butyrate-induced death-associated protein kinase expression promote Raji cell morphological c
Aim:To investigate the role of death-associated protein kinase (DAPK) on theapoptosis of Raji cells induced by sodium b......
Ph 2NH and PCl 3 interacted at a molar ratio of 1∶1 05 and slow elevated temperature and then at 210-220 ℃ for 6 h......
The enzymatic synthesis of a tetrapeptide Phac-Met-Gly-Trp-Met-OEt is reported. It was synthesized by coupling Phac-Met......
The title compound (C16H15N3O2, Mr = 281.31) has been synthesized and characterized by elemental analysis and single-cry......
Mn-Zn spinel ferrites were synthesized by sol-gel method. Effects of calcined temperature on structure and particle size......
A novel approach to the synthesis of ozagrel is described. The target compound isconveniently prepared from the commerci......
Influence of interfacial reaction between molten SnAgCu solder droplet and Au/Ni/Cu pad on IMC evolu
Intermetallic compounds(IMC) formed at Sn-Ag-Cu solder droplet/pad interface during wetting reaction were investigated. ......
CdTe nanocrystals were prepared in aqueous solution via the reaction between Cd~ 2+ and NaHTe in the presence of mercapt......
A typical hot concentrated alkaline corrosion environment exists in alumina metallurgical industry, so that steel materi......
In this work,the adsorption and diffusion behavior of nitrate ions into polycationic P(DMAEMA/HEMA)hydrogels is analyzed......
A degraded dehydroabietylamine thiophene imine (C24H30NS, Mr = 364.55) has been synthesized from dehydroabietic acid, an......
Lithium iron phosphate (LiFePO_4) doped with magnesium was hydrothermally synthesized from commercial LiOH,FeSO_4, H_3PO......
Effect of Humus on Activity of Mineral-Bound Hg: III.Effect on Leachability and Transfer of Mineral-
Effects of humus fractions (fulvic acid, brown humic acid and grey humic acid) on the leachability and transferring acti......
An ion-imprinted polymer supported by attapulgite with a chitosan incorporated sol-gel process for s
The surface ion-imprinting concept and chitosan incorporated sol-gel process were applied to the synthesis of a new atta......
Extraction of rare earth elements from their oxides using organophosphorus reagent complexes with HN
Direct extraction of metals from solids with complexing agents in supercritical CO2(SC-CO2) has recently attracted inter......
Recently,a large-scale Ordovician oil and gas pool has been discovered in Xinken,north of the Tarim Basin,and it has str......
To reduce surface depression of a bloom,the primary cooling intensity was decreased,and the water distribution of mold w......
The 3-sheet structure of Inconel 718 superalloy will be used in flying vehicles as heat resisting and shielding structur......
The effect of Cl- on the 316L stainless steel in simulated cooling water has been studied using polarization curves,elec......
Using historical and 2010 field data, the distribution of nutrients in the northern Beibu Gulf of China is described. Th......
STUDIES ON THE PHOSPHORUS REQUIREMENT AND PROPER CALCIUM/PHOSPHORUS RATIO IN THE DIET OF THE BLACK S
An experiment on the phosphorus requirement and the proper Ca/P ratio in the diet of the black sea bream using the phos......
Short-term dynamics of nutrients influenced by upwelling in a small oligotrophic coastal ecosystem,G
We present a time-series analysis of nutrient and pCO2 (partial pressure of CO2) levels in an oligotrophic coastal ecosy......
Effect of Indole Butyric Acid on the Transportation of Stored Calcium in Malus hupehensis Rhed. Seed
Calcium (Ca) plays an important role in the metabolism of higher plants. Recently, research on Ca2+ in plants has been f......
[Objective]To study the optimum extraction technology condition of ultrasonic-assisted semi-bionic extraction of total f......
通过2004年4月，2004年9月，2005年9月，2006年4月4个航次，结合2003年8月对河道感潮带的连续同步观测，对低流量下黄河口有机碳的输运特征进......
针对污水处理系统中溶解氧含量波动较大难以控制的问题,提出了一种基于BP神经网络的PID控制器设计方法,并根据BP神经网络的结构和......
为了有效的解决含油废水所造成的环境污染问题,设计以涡凹气浮为核心的新型涡凹气浮系统,在不同混凝剂投加量、回流比(R)、工作压......
可溶性桥塞是页岩气水平井分段压裂领域的一项前沿技术,根据页岩气水平井泵送桥塞射孔联作分段压裂工艺技术原理,设计了可溶性桥塞......
提高难处理金精矿生物氧化过程中的矿石氧化效率、缩短氧化周期是当前亟待解决的问题。氧是生物氧化过程中的电子受体,矿浆中Fe^2＋......
研究了锥栗直链淀粉与己酸、葵酸、硬脂酸复合物的溶胀、酶解与糊特性。试验结果表明：锥栗直链淀粉一脂肪酸复合物的形成能降低其溶......
跟踪监测八尺门海区赤潮的消亡过程并在室内和海区进行实验,研究江蓠(Gracilaria tenuistipitata)对赤潮的消亡和水质的影响.结果......
本文研究了酞菁钴碳糊修饰电极的研及水中溶解氧的测定.利用光谱纯碳粉,加入适量的酞菁钴,混合均匀压成酞菁钴碳糊电极.此电极对氧......
