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Research findings concerning student graduation and dropout in online higher education (OHE) can play an important role ......
AT a grand ceremony commemorating the centenary of the founding of the Communist Party of China(CPC)at Beijing’s Tian’......
Efficacy and tolerability of low-dose interferon-α in hemodialysis patients with chronic hepatitis C
AIM:To evaluate the efficacy and tolerability of lowdose standard or pegylated interferon(PEG-IFN)in hepatitis C virus(H......
Hybrid vs sequential therapy for eradication of Helicobacter pylori in Taiwan: a prospective randomi
AIM: To evaluate the efficacy of sequential vs hybrid therapy in patients with Helicobacter pylori(H. pylori) infection.......
AIM: To determine the efficacy of two quintupleregimens for eradication of Helicobacter pylori(H. pylori) in patients wh......
Comparison of the diagnostic yield and outcomes between standard 8 h capsule endoscopy and the new 1
AIM: To evaluate the completion rate and diagnostic yield of the Pill Cam SB2-ex in comparison to the Pill Cam SB2.METHO......
AIM:To determine if longer battery life improves capsule endoscopy(CE) completion rates.METHODS:A retrospective study wa......
Traffic matrix is an abstract representation of the traffic volume flowing between sets of source and destination pairs.......
Granulo-monocyto apheresis is more effective in mild ulcerative colitis than in moderate to severe d
AIM:To evaluate whether the effectiveness of Granulomonocyto apheresis(GMA),a technique that consists of the extracorpor......
“Xinjiang project has been completed according to schedule,but total completion and total start of production are two d......
On April 10 this year,a final explosion heralded the completion of a truly challenging construction project.It took thre......
The mechanical system ofthe Beijing Spectrometer III(BESIII) recently passedthe evaluation of a panel of expertsat the C......
It was proved by Fan and Lee(2016) and Fan(2017) that the absolute Gromov-Witten invariants of two projective bundles P(......
AIM: To identify baseline characteristics that independently predict pulmonary rehabilitation non-completion and compare......
The remarkable global development of disease-modifying therapies(DMTs) specific for multiple sclerosis(MS) has signifi c......
Anti-corrosion inspection engineers are responsible for 14 degassing stations, which complete anti-corrosion examination......
A new mathematical model for horizontal wells with variable density perforation completion in bottom
Horizontal wells are commonly used in bottom water reservoirs,which can increase contact area between wellbores and rese......
Deepwater oilfields will become main sources of the world’s oil and gas production.It is characterized with high techno......
The total length of the Han Dynasty Great Wallexceeded 10,000 kilometers, and was around 6,000 kilometers in the Ming Dy......
Ultra-deep formations hold abundant oil and gas resources.As the demand for oil and gas increases with economic developm......
Economic Assessment and Review of Waterless Fracturing Technologies in Shale Resource Development: A
Our database tracking of USA water usage per well indicates that traditionally shale operators have been using, on avera......
For European officials and architects, it may sound like an unbelievable story that an art museum complex project only n......
It is shown that stress fields within the earth are the principle control for hydraulic fracture direction in horizontal......
Based on affirming the tremendous benefits that water resources of rivers can provide in their exploitation, main enviro......
【正】 CNOOC International Limited, a wholly owned subsidiary of CNOOC Limited (HK:00883), will purchase a 33.3% undivid......
In the past 20 years,the world’s major oil companies have embarked on merger and restructuring successively and therefo......
Fiber-class modified kaolin and PET have been blended in the twin-screw and granulated to chips containing 4 wt% of kaol......
Reef and beach reservoir has great exploration significance Oil and gas resources are rich in reef reservoir. Statistics......
The history of embroidered costumes in China dates back to remote past. The extant oldest embroidery ever unearthed was ......
Early water breakthrough and a rapid increase in water cut are always observed in high- permeability completion interval......
500,000 Tonnes Ferro Alloy Project Landed in Huade,Scheduled to Produce 100,000 Tonnes of Nickel Eac
On July 20,Huade County People’s Government signed agreement for 500,000tonnes ferro alloy project with Zhongtian Xinru......
In recent years, rapid progress in the use of high pressure water jets (HPWJ) has been made in oil and gas well drilling......
【正】 Chongqing Huage Biochemical Co Ltd held a ceremony onOctober 28th to celebrate the completion of its first phase ......
In order to get a high flowrate gas-gas injector and its design methodology,the combustion flow field of a typical shear......
AFTER a trial opening upon its completion at year-end,the Dunhuang Mogao Grottoes Tourist Center will open to the public......
Propane-1,2,3-triyl tris(hydrogen sulfate): A mild and efficient recyclable catalyst for the synthes
A simple, efficient, and ecofriendly procedure has been developed using propane-1,2,3-triyl tris(hydrogen sulfate) as a ......
An efficient and regioselective synthesis of N-9 alkoxyalkylated purine nucleoside derivatives was achieved via the N-al......
By the end of 2010, China has completed 85,000 kilometers of oil and gas pipelines in length, of which natural gas pipel......
Nucleophilic imidoesterification of dicarbonyl compounds with cyanatobenzenes through C-C bond forma
Under neat conditions,an efficient method for synthesis of imidoesters has been developed using cyanatobenzenes and dica......
Geographical maps are usually, compiled from topographical maps on large scales.As reliable mans of this kind are not av......
Mannich Base Derivatives of 1,2-Benzisothiazolin-3-one: Syntheses, Crystal Structures and Bioactivit
Twelve Mannich base derivatives of 1,2-benzisothiazolin-3-one were synthesized by the reaction of 1,2-benzisothiazol-3(2......
Poly(4-vinylpyridinium) perchlorate has been used as an efficient solid acid catalyst for the synthesis of 3,3’-(arylme......
Staged fracturing technology of horizontal well is an effective means to improve the single well production of unconvent......
An environmentally friendly synthesis of 1,4-dihydropyrano[2,3-c]pyrazole derivatives catalyzed by t
An efficient three-component synthesis of 6-amino-4-aryl-5-cyano-3-metriyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles vi......
In this communication,we report four component condensations of acetophenone,arylaldehydes,arylthiol,and malononitrile i......
A series of pyrano[4,3‐b]pyran derivatives have been synthesized in excellent yields by the reaction of aromatic aldehy......
Cu(Ⅱ)-catalyzed domino reaction of 2-halobenzamide and arylmethanamine to construct 2-aryl quinazoli
A novel method for achieving a copper(II)-catalyzed domino reaction for the construction of 2-aryl quinazolinones,withou......
The hydraulic caliper disc brake system with air-over-oil is widely adopted at present for heavy vehicles,which makes us......
Synthesis, Structure and Norbornene Polymerization Activity of a Novel Palladium(Ⅱ) Complex with N,O
The title complex bis{1-[[(3-methyl-pyridin-2-yl) amino] methyl-phenyl]-2-hydroxy-3,5-di-tert-butylphenol} palladium(C_(......
Corrosion behavior of 13Cr steel in oxygen-free completion fluids of the organic salt at 180 ℃ was studied. Cross-secti......
