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Characterizing network traffic with higher-dimensional features results in increased complexity of most detectors and cl......
<正> The measurement of vibration amplitudes ranging from several angstroms to several hundred angstroms is a subject of......
A new control design for a morphing UAV based on disturbance observer and command filtered backstepp
Morphing unmanned aerial vehicle(UAV) can manipulate its shape for excellent flight performance under different conditio......
A new crystal of N,N’-bis(4-nitrophenylcarbamothioyl)isophthalamide DMF solva-te has been prepared at room temperature ......
EXPERIMENTAL INVESTIGATIONS AND NUMERICAL SIMULATIONS OF REDUCING SECONDARY FLOWS AROUND A SPUR DIKE
To better understand the flow patterns near Jiuling Hill in the approach navigation channel of the Three Gorges Project ......
In this paper, a study to enhance the filtration for solid/liquid materials difficult to be filtered, such as highly vis......
太阳做完了竟日普照的事业,在万物送别他的时候,他还显出十分的壮丽。他披上红袍,光耀万丈。云霞布阵,换起与主将一色的制服,听候......
Effect of Synthesis Technique and Carbonate Content on the Crystallinity and Morphology of Carbonate
The syntheses of nanosized carbonated hydroxyapatite(CHA) were performed by comparing dropwise and direct pouring of ace......
MCRs for preparation of chromenopyridines under reflux conditions and chromenes at room temperature conditions from diff......
Synthesis and Crystal Structure of 2-(4-Oxo-3-o- tolyl-3,4-dihydroquinazolin-2-ylthio)acetohydrazide
The title compound was synthesized from 3-(2-methylphenyl)-2-thioxo-2,3-dihy- droquinazolin-4(1H)-one (4) which was prep......
1 Introduction Fullerene has received considerable attention and a great researching interest due to its unique structur......
A series of new silicon-containing poly(p-arylene vinylene)s(PAVs)with anthracene units in the main chain were synthesiz......
[Objective]To discuss the preparation technology of chrysanthemum oral solution.[Method]Taking the content of total flav......
Determination of spices in food samples by ionic liquid aqueous solution extraction and ion chromato
In the present work, a novel method to extract three kinds of spices, namely vanillin, ethyl vanillin and ethyl maltol f......
Synthesis and antitumor activities of rare earth substituted phosphotungstates containing 5-fluorour
Two novel rare earth substituted phosphotungstates containing 5-fluorouracil,K 9(C 4 H 4 FN 2 O 2) 2 Nd(PW 11 O 39) 2 ·......
2,3-Bis(hydroxymethyl)-2,3-dinitro-1,4-butanediol(C6H12N2O8) was synthesized by condensation,cyclization,oxidative dimer......
YL-0919 is a new antidepressant.In order to study the metabolism of YL0919,the tritiated YL-0919 was prepared.The bromin......
First total synthesis of norleucosceptroids F and G has been achieved through key steps of Michael–Aldol cascade, oxa-M......
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 ......
The unusual tricyclo[6.4.0.0~(4.9)]dodecane framework was constructed in eight linear steps in 13%overall yield.An innov......
[Objectives] To establish a simple and rapid,specific and reproducible thin layer chromatography( TLC) method,and accord......
[Objectives]This study was conducted to compare agrimophol contentsin Agrimonia pilosa Ledeb.at different harvest time,s......
Objective: To evaluate the antibacterial and antifungal properties of acetone and water extracts of selected Eucomis tax......
Optimization of Extraction Technology and Determination of Content of Total Phenols of Leaves in Aca
[Objectives] To determine the optimum extraction technology for total phenols of leaves in Acanthopanax giraldii Harms.[......
[Objective] To establish the methods for determining the contents of Mogroside V,Liquiritin and Glycyrrhizic acid in Luo......
Surface-enhanced Raman scattering(SERS) is applied to detect the concentration of carbendzim(CBZ) in tea leaves. Au coll......
In order to investigate the effects on the cytotoxicity of indole-3-oxalylamino podophyllotoxin analogs, seven novel pod......
[Objectives] To establish fingerprint chromatogram of Tetracera asiatica and provide basis for controlling and assessing......
Two novel [3]pseudorotaxanes can be selectively synthesized from four components through self-sorting processes, which p......
With maleic acid as the raw material,6-methyl-4-hydroxy-2-pyrone,6-methyl-4-alkoxy-2-pyrone and 6-methyl-4-hydroxy-3-acy......
A full account of the novel and flexible approach to hydroxylated 8-azabicyclo[3,2,1]octan-3-ones and 9-azabicyclo[3,3,1......
In this paper,a simple method based on ion chromatography(IC) with conductivity detection was developed for the determin......
High cement bond quality is required to keep an oil well from hydraulic communication between zones.In the cement bond e......
Benzyl protecting protocol was first employed in two routes for the concise synthesis of dopexamine dihydrochloride.This......
In this paper, we introduce an effective processing method to acquire the time de-rivative of the AE index as a coeffici......
Design,synthesis,and insecticidal bioactivities evaluation of pyrrole-and dihydropyrrole-fused neoni
Chlorothiazole ring,as a substituted heterocycle,frequently occurred in structures of various insecticides,and brought p......
Synthesis and Absolute Configuration of (2S,3S,3aS,6S,7aR)-2,3-Dihydroxy-2-((R)-1-hydroxy-3-methylbu
To investigate the anti-ulcer effect of bisabolangelone reduction derivatives, the sesquiterpene was further proceeded w......
Aimed at imaging technology through scattering medium using fs electronic holography, a set of image process algorithm ......
This paper studies the multiscale entropy (MSE) of electrocardiogram’s ST segment and compares the MSE results of ST se......
Novel silicon nanotubes with inner-diameter of 60-80 nm was prepared using hydrogen-added dechlorination of SiCl4 follow......
The FEM model of TiBN and TiBN/TiN coated cutting tool in milling of H13 steel w as developed. Process variables such a......
STUDY ON ASYMMETRIC SYNTHESIS OF 19-NORSTEROIDS SYNTHESIS OF A NEW OPTICALLY ACTIVE SYNTHON, (2R, 3S
This paper reports the synthesis of a new optically active synthon 6 for the asymmetricsynthesis of 19-norsteroids. Sym......
The medium was modified in the synthesis of the isochroman-4-one.Twenty-one of isochroman-4-one derivatives were synthe......
3,7-Dinitrodibenzobromonium bisulfate 3 was prepared directly by the reaction of4,4’ -dinitrobiphenyl with sodium brom......
Preparation of (R)-and (S)-2-Allyl-1,3,2-Dinaphtho(α,β)[d.f]dioxaborepin and Their Reactions with Al
(R)- and (S)-2-Allyl-1,3,2-dinaphtho(α,β)dioxaborepin ((R)-2 and (S)-2) have been first prepared by the reaction of (R......
A direction-of-arrival(DOA)estimation algorithm based on direct data domain(D3)approach is presented.This method can acc......
Optically active σ-symmetric (1, 2: 4, 5)-diepoxypentane equiv-alent (10) has been synthesized in eight steps with mod......
The preparation of the key intermediate 4 of the methyl isosar-tortuoate is described. The macrocyclization was complet......
