reusable相关论文
Fabrication of a High-Performance and Reusable Planar Face Mask in Response to the COVID-19 Pandemic
The coronavirus disease 2019(COVID-19)pandemic has caused a surge in demand for face masks,with the massive consumption ......
Meltblown fabric vs nanofiber membrane,which is better for fabricating personal protective equipment
The coronavirus disease 2019 (COVID-19) pandemic has led to a great demand on the personal protection products such as r......
Meltblown fabric vs nanofiber membrane, which is better for fabricating personal protective equipmen
The coronavirus disease 2019(COVID-19)pandemic has led to a great demand on the personal protection products such as reu......
Amberlyst-15~ in PEG:A novel catalytic system for the facile and efficient one-pot synthesis of ben
A simple and convenient approach for the synthesis of tetraheterocyclic benzothiazolo-[2,3-b]-quinazolin-1-ones has been......
SnCl_2/nano SiO_2: A green and reusable heterogeneous catalyst for the synthesis of polyfunctionaliz
A highly effcient and general method for the synthesis of polyfunctionalized 4H-pyrans is established through a one-pot ......
H_6P_2W_(18)O_(62)á18H_2O: A green and reusable catalyst for one-pot synthesis of pyrano[4,3-b]pyran
A convenient,effcient and environmentally benign procedure has been developed for the synthesis of pyrano[4,3-b]pyran de......
Distereoselective one-pot synthesis of pyrimidopyrimidines using sulfated tin oxide as a reusable ca
The Biginelli-type compounds 4,5,8a-triarylhexahydropyrimido[4,5-d]pyrimidine-2,7(1H,3H)-diones were synthesized by a on......
A highly efficient procedure for the synthesis of quinoxaline derivatives using polyvinylpolypyrroli
A polyvinylpolypyrrolidone supported triflic acid was shown to be useful as a recyclable heterogeneous catalyst for the ......
A catalyst system of Sevelamer, a phosphate-binding drug, has been prepared and used in the Knoevenagel reaction of arom......
N-Sulfonic acid poly(4-vinylpyridinium) chloride as a highly efficient and reusable catalyst for the
A mild, simple and efficient procedure for the preparation of 3,4-dihydropyrimidin-2(1H)-ones and-thiones is described u......
An efficient and eco-friendly synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes using H_4[SiW_(12)O_(40
A simple and efficient catalytic protocol for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes via the one-pot condens......
Sulfonated poly(4-vinylpyridine) heteropolyacid salts:A reusable green solid catalyst for Mannich re
Sulfonated poly(4-vinylpyridine) heteropolyacid salts acted as a heterogeneous catalyst to effectively catalyze the one-......
Ionic iron(III) complex of aryloxo-linked bis(imidazolium)cations: efficient and recyclable catalyst
A novel phenol-linked bis(imidazolium) salt,H3LCl2(L = O-4-C(CH3)3-C6H2-2,6-di[CH2{C(NCHCHNAr)}]2, Ar = 2,6-diisopropylp......
Microwave-assisted efficient synthesis of azlactone derivatives using 2-aminopyridine-functionalized
In the present work,the highly efficient Erlenmeyer synthesis of azlactones catalyzed by 2-aminopyridine,supported on na......
4-(Succinimido)-1-butane sulfonic acid as a Bronsted acid catalyst for synthesis of pyrano[4,3-b]pyr
4-(Succinimido)-1-butane sulfonic acid as an efficient and reusable Bronsted acid catalyzed the synthesis of pyrano[4,3-......
Propylsulfonic acid functionalized nanozeolite clinoptilolite as heterogeneous catalyst for the synt
In this work,the natural nanozeolite clinoptilolite(Nano CP) was successfully functionalized by propylsulfonic acid and ......
A convenient synthesis of 2-aminocyclohex-1-ene-1-carboxylic esters by FeCl_3/SiO_2 nanoparticles as
A simple and green method has been developed for the synthesis of 2-aminocyclohex-1-ene-1-carboxylic esters through a on......
DABCO-based ionic liquids:Green and efficient catalysts with a dual catalytic role for aza-Michael a
Four recoverable and reusable ionic liquids based on 1,4-diazobicyclo[2.2.2]octane(DABCO) have been synthesized to catal......
An efficient method for synthesis of acylals from aldehydes using multi-walled carbon nanotubes func
MWCNTs-C-PO_3H_2 has been used as an efficient,heterogeneous and reusable nanocatalyst for synthesis of acylals from ald......
Efficient synthesis of poly(oxymethylene) dimethyl ethers over PVP-stabilized heteropolyacids throug
A series of polyvinylpyrrolidone-stabilized heteropolyacids(PVP-HPAs)are generated by self-assembly of HPAs and PVP in m......
A new highly efficient and reusable Cu(Ⅰ)-MOF has been developed for the synthesis of propargylamine compounds via the ......
An efficient and convenient procedure of the synthesis of 1,1-diacetates from aromatic aldehydes and acetic anhydride un......
A mild and simple procedure is described for the synthesis of bis(indolyl)methane and coumarin derivatives using succini......
1-(1-Alkylsulfonic)-3-methylimidazolium chloride as a reusable Br?nsted acid catalyst for the regios
In this study, 1-(1-alkylsulfonic)-3-methylimidazolium chloride as a new, green, and reusable Br?nsted acid catalyst was......
Sulfamic acid as a green, reusable catalyst for stepwise, tandem & one-pot solvent-free synthesis of
Sulfamic acid(SA) is a bi-functional, cost-effective and reusable green catalyst for the synthesis of 4-(pyrazol-4-yl)me......
N-Protection of amines using pyridinium 2,2,2-trifluoroacetate ionic liquid as an efficient and reus
A simple,green,and efficient method for the N-tert-butoxycarbonylation of amines by pyridinium 2,2,2-trifluoroacetate([P......
A solid complex,readily prepared from commercially available sodium triphenylphosphine-m-sulfonate(TPPMS) and carbon tet......
Synthesis of N-substituted-2-aminobenzothiazoles using nano copper oxide as a recyclable catalyst un
A simple and practical method for the synthesis of N-substituted-2-aminobenzothiazoles via a crosscoupling reaction of 2......
In this study,1,3-disulfonic acid imidazolium hydrogen sulfate(DS1MHS) is used as an efficient and reusable ionic liquid......
Selective esterification of glycerol with acetic acid to diacetin using antimony pentoxide as reusab
Glycerol can be obtained as a by-product during biodiesel manufacture. It is important to convert glycerol to value-adde......
Na Y zeolite functionalized by sulfamic acid/Cu(OAc)_2 as a new and reusable heterogeneous hybrid ca
NaY zeolite functionalized by sulfamic acid/Cu(OAc)_2[NaY/SA/Cu(Ⅱ)] was synthesized and used as a new,efficient and rec......
Purpose:To develop a structured,rich media digital paper authoring tool with an objectbased model that enables interacti......
Application of Modelica/MWorks on modeling,simulation and optimization for electro-hydraulic servo v
Electro-hydraulic servo valve is a typical complicated multi-domain system constituted by mechanical,electric,hydraulic ......
Geometric nonlinear behaviors of micro resonators have attracted extensive attention of MEMS(microelectro-mechanical sys......
High Emissivity MoSi_2-Zro_2-Borosilicate Glass Multiphase Coating with SiB6 Addition for Fibrous Zr
The reusable thermal protective system consisting of high emissivity coatings used on the surface and a low thermal cond......
Component-based software reuse (CBSR) has been widely used in software developing practice and has an even more brillian......
SbCl_5-TEBA (PhCH_2NEt_3Cl) complex catalyzes the Friedel-Crafts acylation reactionsefficiently.
SbCl_5-TEBA (PhCH_2NE......
Heteropoly acid of Keggin structure phosphotungstic(HPW)and phosphomolybdic(HPMo) were chemically anchored to the modifi......
Silica supported perchloric acid(HClO_4-SiO_2):A mild,reusable and highly efficient heterogeneous ca
An efficient and direct procedure has been developed for the preparation of amidoalkyl naphthols by a one-pot condensati......
Fe(HSO_4)_3:An efficient,heterogeneous and reusable catalyst for the synthesis of 14-aryl- or alkyl-
Fe(HSO_4)_3 has been used as an efficient and recyclable catalyst for the one-pot synthesis of 14-aryl- or alkyl-14H- di......
The effect of L-proline as a promoter on the condensation reaction of salicylaldehyde or its derivatives with ethyl acet......
Silica supported sodium hydrogen sulfate(NaHSO_4/SiO_2):A mild and efficient reusable catalyst for t
A simple and efficient procedure for the preparation of aryl-14-H-dibenzo[a,j]xanthenes by a one-pot condensation reacti......
MCM-41 anchored sulfonic acid (MCM-41-R-SO_3H):A mild,reusable and highly efficient heterogeneous ca
An efficient three-component synthesis of 3,4-dihydropyrimidinones using MCM-41 anchored sulfonic acid (MCM-41-R- SO_3H)......
Aromatic aldehydes undergo cross-aldol condensation with ketones in the presence of carbon-based solid acid under solven......
A new free recoverable and reusable mono-alkaloid-type ligand and its use in preparation of ethyl(2R
A new free recoverable and reusable mono-alkaloid-type ligand has been synthesized by a simple method.With highly polar ......
Silica supported ammonium dihydrogen phosphate(NH_4H_2PO_4/SiO_2):A mild,reusable and highly efficie
Silica supported ammonium dihydrogen phosphate(NH_4H_2PO_4/SiO_2) is found to be a recyclable heterogeneous catalyst for......
Atom-efficient coupling reaction of aryl bromides with sodium tetraphenylborate catalyzed by reusabl
A rapid and heterogeneous Pd/C-catalyzed atom-efficient phenylation of aryl bromides by sodium tetraphenylborate takes p......
Keggin type heteropolyacids was found to be an efficient and reusable catalyst for the synthesis of biologically active ......
An efficient synthesis of 2,2′-arylmethylene bis-(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) and 1,
2,2’-Arylmethylene bis(3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) 4l-s produced from reaction between dimedone with va......
