smoothly相关论文
【Abstract】This study focuses on one of Alice Munro’s best-known stories：“Tricks”， and attempts to explore it by adopt......
In this paper we exhibit some results concerning operations with higher-order types of asymptotic variation, results lac......
Whether the issues relating to agriculture,rural areas,and rural people can be resolved smoothly determines the overall ......
Three new species of the extinct genus of Eoptychopterina from the Eoptychopteridae family,Eoptychopterina antica sp.nov......
A modified Newton-Raphson method is presented in this paper.It consists of introducing relaxationfactor ω and paramete......
The technical renovation project at Yunnan TinCo. Ltd. is running smoothly, according to anindustry report. The project......
北京的胡同大多数形成于元朝,历史悠久。胡同的走向多为正东正西,大胡同之间还开有南北走 向的小胡同,胡同的宽度在六步之内,大于......
The optimal model and simulating model of the Hanjiang cascade reservoirs operation with one day as its calculating peri......
本期专栏主人公Killy正式开启了她在莱斯布里奇学院的新生生活。从生活中的交通和购物,朋友间的交往和聚会,再到学业上的变动和压......
β-Keto acids are unstable to heat,acids,and bases,and have rarely been employed as carbon nucleophiles for the formatio......
A novel diaminophosphine oxide was synthesized and applied as ligand in palladium-catalyzed Suzuki couplings reaction of......
In this paper,detonation parameters of fuel cloud,such as propylene oxide(PO),isopropyl nitrate(IPN),hexane,90 # oil and......
PetroChina Company Limited (SH: 601857,HK: 0857; NYSE: PTR) recorded 2009 netprofit of RMB103.39 billion according toIn......
Polyvinylpolypyrrolidone-bromine complex:Mild and efficient polymeric reagent for bromination of act
Mild and efficient method for bromination of electron-rich aromatic compounds is described using polyvinylpolypyrrolidon......
A new copper(Ⅱ) complex of a non‐symmetric Schiff base, [CuII(saldien)(H2O)]+(1), has been synthesized and characteriz......
南锣鼓巷49号红色的小门脸前总会排起长队,顾客们焦急地等待购买每天限量供应的可口奶酪……
Nan Luo Gu Xiang No. 49 red wicke......
Based on theoretical analysis two modified log-wake laws for turbulent flow in smooth pipes are obtained,one is applicab......
随着改革开放的发展,我们与外国人交往越来越频繁,对于我们中国人来说,使用英语的机会就越来越多,因此,交际用语就显得越来越重要.......
Submicron-sized P(St-NaSS) latexes were prepared via a semi-continuous emulsion copolymerization of styrene (St) and sod......
An effective method for the synthesis of vinyl thioethers through the conjugate addition of ethanethiol to electron-defi......
Till October 9, 2012 the line A cyclohexanone unit of the 200 kt/a caprolactam project owned by the Baling Hengyi Caprol......
A facile,one-pot synthesis of N-aryl propargylamine from aromatic boronic acid,aqueous ammonia,and propargyl bromide has......
The reaction of 2-formylpyrrole acetals with sodium alkoxide in alcohols at reflux temperature smoothly proceeded to gen......
3-(Diphenylphosphino)propanoic acid: An efficient ligand for the Cu-catalyzed N-arylation of imidazo
3-(Diphenylphosphino)propanoic acid(L2) has proved to be an efficient ligand for the copper-catalyzed C–N coupling reac......
Four aryl-guanidines(AG) were synthesized and used for the palladium-catalyzed Suzuki cross-coupling reaction to test th......
CsOH catalyzed aerobic oxidative synthesis of p-quinols from multi-alkyl phenols under mild conditio
p-Quinols are ubiquitous structural motifs of various natural products and pharmaceutical compounds,and versatile buildi......
Ensuring that water flows smoothly into spillways is the main challenge in spillway design.In order to help avoid the fo......
The reaction of a variety of aldoximes with perfluoroalkanosulfonyl fluoride in the presence of 1,8-diazabicyclo[5.4.0]u......
We present a simple and straightforward protocol for hydrochlorination of terminal arylalkynes to vinyl chlorides using ......
Based on the completely parametric crystal-field model, the energy level parameters, including free-ion parameters and c......
A facile synthesis of 1,4-disubstituted 1,2,3-triazoles was achieved from nitrobenzenes and terminal alkynes under mild ......
Fe-catalyzed regioselective Friedel–Crafts hydroxyalkylation of N-substituted glyoxylamide with indo
An efficient regioselective Friedel–Crafts hydroxyalkylation of N-substituted glyoxylamide with various indoles catalyz......
Visible light catalyzed aromatization of 1,3,5-triaryl-2-pyrazolines by platinum(Ⅱ) polypyridyl comp
With visible light(λ=450 nm) irradiation of a catalytic amount of platinum(Ⅱ) terpyridyl complex, 1,3,5-triaryl-2-pyra......
A novel and efficient method for the synthesis of amide has been developed. The reactions proceeded smoothly under aqueo......
N-Heterocyclic carbene-catalyzed synthesis of acetyltributylcitrate via a transesterification reacti
A new methodology for the synthesis of a green plasticizer acetyltnbutylcitrate through a transesterification reaction w......
Preparation of high purity 1,2-diols by catalytic oxidation of linear terminal alkenes with H_2O_2 i
The oxidation of terminal alkenes was smoothly catalyzed by a recyclable and environmentally friendly catalytic system: ......
Verification of Al_2O_3 and Calcium Oxalate Particles Continuous Operation in U-shape Continuous Pre
In order to simulate whether or not the oxalate precipitation particles which density is 2.6-2.7g/mL cause mass accumula......
Shanghang County,the mining base of Fujian,The RMB540 million Qinghai Xiyu 100,000-ton Lead Smelter Project is running s......
We herein described the design, synthesis and application of two recyclable benzyl-type fluorous tags with double fluoro......
Synthesis of 5-vinyl-2-norbornene through Diels-Alder reaction of cyclopentadiene with 1,3-butadiene
An efficient method for the synthesis of 5-vinyl-2-norbornene from cyclopentadiene and 1,3-butadiene was developed.The D......
Objective To discuss the interaction between pregnancy and ankylosing spondylitis, and the management of pregnancy with ......
More than 90 per cent of China’s for eign trade goes through ports. In 2002, the number of containers handled by Chine......
Relationship between glucose fluctuation and the degree of nervous dysfunction of the acute cerebral
Objective To investigate the relationship between glucose fluctuation and the degree of nervous dysfunction of the acute......
Microstructural evolution and performance of hydrogen storage and electrochemistry of Co-added La_(0
Microstructure, hydrogen storage and electrochemical performances of Co-added La_(0.75)Mg_(0.25)Ni_(3.5_x)Co_x(x = 0,0.2......
THE maiden flight on March 14, 2006 of an airplane bearing the 2010 Shanghai World Expo emblem from Beijing Capital Inte......
Held by China Federation of Literary and Art Circles and organized by China Acrobats Association,close-up magic shows of......
Studies on sulfinatodehalogenation III.The sulfinatodeiodination of primary perfluoroalkyl iodides a
Using P.T.C.or cosolvents,both perfluoroalkyl iodides such as Cl(CF_2)_nI(n=2,4,6,1a-1c),H(CF_2)_8I(1d),CF_3(CF_2)_nI(n......
Sodium perfluoroalkanesulfinate, R_FSO_2Na [R_F=Cl(CF_2)_4, 1a; CF_3(CF_2)_5, 1b; Cl(CF_2)_6,1c] reacted with bromine i......
Several derivatives of secondary perfluoroalkyl iodides such as CF_3CFI(CF_2)_2O(CF_2)_2SO_2F(3), CF_3CFI(CF_2)_2O(CF_2......
