concentrate a potential new source of rare earth elements

... Katayama Y, Tanaka T, Yamamoto T Extraction of rare earth elements as oxides from a neodymium magnetic sludge Metall Mater Trans B,2011,43(3):468 [16] Parida SC, Dash S, Singh Z, Prasad R., Jacob ... important to find an economic way to extract the rare earth elements from the magnet scraps and sludge Several types of methods for extracting the rare earth elements from the magnet scraps have ... rare earth oxides from a phosphoric acid by-product Part 1: Leaching of rare earth values and recovery of a mixed rare earth oxide by solvent extraction Hydrometallurgy.,1996(1),41:1 [9] Zhang...

Ngày tải lên: 28/06/2016, 11:29

... gene GAPDH Sense: GGACTCATGACCACAGTCCATGCC Antisense: TCAGGGATGACCTTGCCCACA Bone-specific genes ALP Sense: TGGAGCTTCAGAAGCTCAACACCA Antisense: ATCTCGTTGTCTGAGTACCAGTCC OC Sense: ATGAGAGCCCTCACACTCCTC ... ATGAGAGCCCTCACACTCCTC Antisense: GCCGTAGAAGCGCCGATAGGC Adipose-specific genes LPL Sense: GAGATTTCTCTGTATGGCACC Antisense: CTGCAAATGAGACACTTTCTC PPARγ Sense: TGAATGTGAAGCCCATTGAA Antisense: CTGCAGTAGCTGCACGTGTT Cartilage-specific ... Cartilage-specific genes AGN Sense: TGCGGGTCAACAGTGCCTATC Antisense: CACGATGCCTTTCACCACGAC COL 2A1 Sense: GGAAACTTTGCTGCCCAGATG Antisense: TCACCAGGTTCACCAGGATTGC AGN, aggrecan; ALP, alkaline phosphatase;...

Ngày tải lên: 09/08/2014, 10:23

... Célia Koiffmann and Cláudia I E de Castro for karyotype analysis and pictures; Marta Cánovas for technical support; Page of 10 (page number not for citation purposes) Journal of Translational ... Figure Population doubling and karyotypic analysis Population doubling and karyotypic analysis Panel A) Results of hFTs lineage in passage two Panel B) Results of hFTs lineage in passage 11 We ... imply that htMSCs represent a cell population that can be rapidly expanded for potential clinical applications The morphological and functional integrity of the tubal epithelium are of paramount...

Ngày tải lên: 18/06/2014, 15:20

... EcoRI and HpaI (C): A 240 bp fragment, containing the poly (A) site of SV40, was amplified using (+) TAGCCCGGGATAAGATACATTGATGAGT and (-) TAGGAATTCATCATAATCAGCCATACCAC and cleaved with SmaI and EcoRI ... GGGATATTGATGTCTGTAGAATAGGAGCTTTGTTCCTTGGG and (-) CCCAAGGAACAAAGCTCCTATTCTACAGTCATCAATATCCC produced a 1457 bp fragment with a 1448 bp deletion in Env (pos 6307–7755) It was cleaved with EcoRI and ... CCCCGGTGCAGCCAATGATTGAACCATTAGGAGTAGC and the terminal primers AAGCTTGGTTACCCAGGACC and GGAGTGTATTAAGCTTGTG The fusion product was ligated at HindIII to gp41, pos 8145 to 8887 of pNL4-3 A 1680...

Ngày tải lên: 13/08/2014, 09:21

... synthesis of the rare earth- doped SnO2 samples, an aqueous solution of a rare earth citrate was prepared from a rare earth nitrate (Y and Ce-nitrates, Alfa Aesar, USA, purity [99.9%) and citric acid ... with a citric acid:metal molar ratio of 3:1 The aqueous rare earth citrate solution was added to the aqueous tin citrate solution in the appropriate amount to obtain a doping level of mol% in all ... doped samples, may be indicative of a moderate modification of the material surface due to the doping with rare earths One of the most common ways to modify the characteristics of a material is...

Ngày tải lên: 22/06/2014, 01:20

... standard deviation of a normal population of 80 healthy individuals (

Ngày tải lên: 09/08/2014, 10:20

... 37°C and 38°C by a thermal pad and a heating lamp The femoral artery was cannulated with a 22-gauge PE catheter, which was used to monitor distal arterial pressure (DAP) and for intra-arterial ... reaction was started by the addition of NADH, incubated at 30°C and stopped by the addition of ml of glacial acetic acid The absorbance of the chromogen formed was measured at 560 nm One unit of ... haemodialysis patients BMC Nephrology 2009, 22:10-32 15 Haidara MA, Mikhailidis DP, Rateb MA, Ahmed ZA, Yassin HZ, Ibrahim IM, Rashed LA: Evaluation of the effect of oxidative stress and vitamin...

Ngày tải lên: 10/08/2014, 05:21

... crystallization temperature and chemical stability of various high-k materials studied 33,34,35 This makes lanthanum aluminate (LaAlO3 or LAO) an attractive candidate due to its large bandgap (~5 to eV), ... capacitance Cox (b) Measured admittance, Ym across xii List of Figures terminals A- A using the equivalent parallel capacitance Cp, and conductance Gp (c) Plot of (Cp-CD)/CT and (Gp/(ωCT)) as a ... (QSC) which induces an equal magnitude of charges of opposite polarity at the metal side, akin to that of a parallel plate capacitor The resultant potential drop across the interface is then given...

Ngày tải lên: 09/09/2015, 17:54

... e1g and e2g levels) are estimated through the band structure analyzes The calculated results of tolerance factors, hopping parameter, Jahn–Teller energy as functions of doping rare earth ion radii ... plotting total energy as a function of lattice parameter In Fig 4, the dependences of total energy on lattice parameter of La-doped and Ne-doped compounds are showed as typical examples The Fig Lattice ... parameter t and the spin splitting of the degenerated eg band The hoping parameter t has decreasing tendency with an increasing of the doped rare earth ion radius The Jahn–Teller splitting of...

Ngày tải lên: 16/12/2017, 15:10

... rare earth separation, chemical and environmental issues of rare earth separation and the integration of the separation and the preparation of rare earth. 12 The state key laboratory of Rare Earth ... the lab.14 The lab focuses on rare earth separation techniques, the exploration of new rare earth functional materials, and optical, electrical, and magnetic properties and materials of rare earth ... light rare earths and heavy rare earths The light rare earth elements are lanthanum, cerium, praseodymium, neodymium, and samarium (atomic numbers 57-62), and they are more abundant than heavy...

Ngày tải lên: 30/10/2014, 22:11

... in Canada, at Brockman in Australia, at Posco de Caldas in Brazil, at Karonge in Burundi, as well as Turkey, Afghanistan, Pakistan, Madagascar; Tanzania and in Zambia Monazite means solitary ... adsorption clays — these deposits are the world‘s main source of heavy rare earths The main rare earth companies in China are Batou Iron and Steel Group, Batou Rare Earth Group, Gansu Rare Earth ... significant sources of rare earths (Exhibit 4) For instance, economic deposits of apatite mineral have been found in CIS, Australia and Canada and Loparite was the main source of rare earth for...

Ngày tải lên: 30/10/2014, 22:34

... countries Brazil may also have HREE-rich clays Canada also has large rare earth deposits with significant amounts of heavy rare earths Avalon Rare Metals (TSX:AVL), Quest Rare Minerals (TSXV:QRM) have ... light rare earth elements (LREE) China has 80% of the global heavy rare earth reserves China has 80% of the global heavy rare earth reserves and most are extracted from the ion adsorption clays ... in applying rare earths to advance technologies, but they are no experts in the mining and separation of rare earths China has been processing rare earths for many years, however, it also Jacob...

Ngày tải lên: 30/10/2014, 22:35

... phytochemical works have been recorded for the C longepetiolatum Costerm apud Phamh found in Vietnam As a part of the research on the essential oils of Medicinal and Aromatic plants of the Vietnam flora, ... Preparation Flora of China Vol (Berberidaceae through Capparaceae) Science Press, Beijing, and Missouri Botanical Garden Press, St Louis [3] Vietnamese Pharmacopoeia, Medical Publishing House, Hanoi, ... G.W .A Milne, EPA/NIH Mass Spectral Data Base, U.S Government Printing Office, Washington D.C., 1978, 1980, 1983 [5] E Stenhagen, A Abrahamsson, F.W McLafferty, Registry of Mass Spectral Data,...

Ngày tải lên: 12/02/2014, 17:20

... Tarauaca, Xapuri Rondonia – Ariquemes, Calama, Costa Marques, Jiparana, Ouro Preto, Pimenta Bueno, Jaru Mato Grosso: Aracotuba, Cartriquaca, Itauba, Vila Bella Provenance-wise conservation- India Introduced ... months in a year - average annual rain fall of 7.5mm per day - average of 90 rainy days/ year 18 First year post- drought data on range and mean of growth characters in the hot-spot region Characters ... the availability of sufficient genetic variability 1981-IRRDB germplasm collection – a valuable reservoir of genes for various abiotic stresses Acre : Brasileia, Feijo, Sena Madureira, Tarauaca,...

Ngày tải lên: 21/02/2014, 04:20

... 5’-ggggAgCTCTCAATTgAATTgTggTTgTTCC-3’ SacI H4-H1 cloning H1*H4F 5’-gTTggAggTgTAAAAAATAgggAgCCAgC-3’ H1*H4R 5’-TATTTTTTTAgCACCTCCAACTgATTgAgTAgg-3’ H4-WCT-R 5’-CCCgAgTCTCTATTCTTCACCgCTgCCAC-3’ SacI H4WCT ... gCgggATCCTAAggCCATCCCCAgAAAg 3’ BamH1 ATHB1 cloning ATHB1WCTR 5’ gCggTCgACTACTCTTgTTTgCCCTgAAgC 3’ Sal1 ATHB1WCT cloning ATHB1CTF 5’ gCggAATTCCAAgAgACAgCTAATgAACCA 3’ EcoRI ATHB1 CTR cloning Genomic DNA Sequence of ... 5’-CAgTggACTCgTACTTgTTCTTgT-3’ Genomic DNA UBC9GENOM-F 5’-gTTTTggAAATgTTgACAggAC-3’ ATHB1F 5’ gCggAATTCATggAATCCAATTCgTTTTTC 3’ EcoRI ATHB1 and ATHB1WCT cloning ATHB1R 5’ gCgggATCCTAAggCCATCCCCAgAAAg...

Ngày tải lên: 11/08/2014, 11:21

... 1995/96 Thailand Australia 1997 1998 Lake Baikal, Russia Japan Hong Kong 1997 1997/98 1996 Brazil British Columbia, Canada 1997 1997 Yukon Territory, Canada 1997 Michigan, USA 1998 Indiana, USA 1996 ... Profile of Vietnam-Hanoi (a) was illustrated on the basis of one sample with the highest PCDD/F concentration Profile of VietnamHanoi (b) was illustrated based on the average concentration of ... 840-4 030 Australia 13 10-16 Lake Baikal Russia Thailand Indiana, USA 280 260-1 290 Michigan, USA 80 52-110 British Columnbia, 64 4.2-350 Canada Yukon Territory, 6.6 1.2-15 Canada Brazil 2.2 United...

Ngày tải lên: 16/12/2017, 10:39

Ngày tải lên: 04/10/2012, 10:24

... Length of follow-up was at least years with a maximum of years Location of facet pain was cervical in 45, thoracic in 15, and lumbar in 114 patients Surgical times varied based on the number of joints ... medial branch, Staender et al 17 reported a mean VAS pain score reduction of 3.3 at six months follow-up; 40% of patients had relief for at least 12 months, and mean duration of pain relief was ... results durable for at least years Larger scale trials with a control group are warranted to further evaluate the relative efficacy of this surgical treatment in patients with facet joint disease 123...

Ngày tải lên: 26/10/2012, 09:32

... ngữ Nam Bộ Như vậy, không gian đ a lí tiếng miền Nam, phương ngữ miền Nam hay phương ngữ Nam tác giả xác đònh rộng Không gian đ a lí phương ngữ Nam Bộ xác đònh hẹp Ranh giới PNNB trùng với ranh ... (từ thû ấy/ đến nay), thû (từ thû ấy/ đến giờ) V a rút gọn v a đảo trật tự câu nghi vấn tính chất, đặc điểm: bao cao (cao bao nhiêu), bao dai (dài bao nhiêu), bao lớn (lớn bao nhiêu)… Rút gọn, ... Long An, Tiền Giang, An -18- Giang, Kiên Giang, Cà Mau, Sóc Trăng, Bạc Liêu, Đồng Tháp, Bến Tre, Hậu Giang, Vónh Long, Trà Vinh thành phố Cần Thơ Vò trí đ a lí Nam Bộ: ph a bắc tây - bắc giáp Cam-pu-chia,...

Ngày tải lên: 17/04/2013, 16:09

... mL of sodium periodate were added Afterwards, 1.2 mL of acetylacetone solution was added and the mixture was placed in a water bath at 70ºC for An absorbance measurement was made at 410 nm against ... volume was transferred to a clean test tube, was evaporated and then mL of concentrated sulfuric acid was added The sample was boiled for 10 minutes An absorbance measurement was made at 235 nm ... research, it can be concluded that AIK7 isolate could be a good candidate as a PHA producer by using this low-grade waste glycerol as a sole carbon source REFERENCES Anderson A J and Dawes E A...

Ngày tải lên: 05/09/2013, 10:15