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  • 2341. Synthesis and properties of n-[2-(benzoylamino) (2-oxoindolin-3-ylidene)acetyl]amino acids ethyl esters

    Investigation of development of synthetic methods and study of physicochemical and biological characteristics of hetarylcarboxylic acids. Characteristic of the results of the pharmacological research of (2-oxoindolin-3-ylidene)-2-oxoacetic acid.

    статья (386,5 K)
  • 2342. Synthesis and properties of superparamagnetic gamma-Fe2O3

    Method of nanodispersed Fe2O3 synthesis by thermal decomposition of iron citrate. Particles of synthesized materials in a state of magnetic ordering and in superparamagnetics. Influence of magnetic dipole interaction on parameters of Mossbauer spectra.

    статья (935,9 K)
  • 2343. Synthesis and study of antimicrobial properties of surfactants on the basis of cotton-seed oil, methyl diethanolamine and orthophosphoric acid

    To study antimicrobial properties of the synthesized surfactants, the method of consequent dilution was used. The experiments were carried out in the test tubes contained a surfactant at different concentrations and 1 ml of the physiological solution.

    статья (1,0 M)
  • 2344. Synthesis and toxicity of Di-Na_salt of 2-(pyridine-4-iltio) succinic acid

    Search of bioactive substances containing in the molecule a heterocycle and a deputy with high antioxidant properties such as succinic acid. Antibacterial and cytotoxic action of Di-Na-salt. Methods of di-Na-salt of 2-(pyridine-4-iltio)succinic.

    статья (548,5 K)
  • 2345. Synthesis and x-ray investigation of nitrocalix[4]quinone

    The development of selective oxidation of simply accessible dihydroxy-dypropoxycalix[4]arene to nitrocalixmonoquinone by mixture of 75 % nitric acid and glacial acetic acid. Synthone for design of optical sensors and redox-sensitive bio-active compounds.

    статья (126,8 K)
  • 2346. Synthesis of a device for remote control of a video camera using the LANC protocol

    Characteristics of wired video camera control interfaces and devices. Ensuring high speed and accuracy of time synchronization of the control system. Operating principle and advantages of the LANC protocol two-way data exchange system for remote control.

    статья (511,6 K)
  • 2347. Synthesis of amides and salts of oxalic acid and their use as plant growth regulators

    It can be concluded that salts and amide derivatives of oxalic acid have a pronounced regulatory property during the maturation of pea and corn seeds. In this regard, they are recommended as growth stimulants for these plants in agricultural practice.

    статья (628,6 K)
  • 2348. Synthesis of arts in the ancient Russian church

    Formation of the temple space on the territory of ancient Russia. Detection of the interaction of visual arts in the field of interior decoration of a Russian temple. The importance of icon painting, mosaic painting and frescoes in the Eastern Church.

    статья (22,2 K)
  • 2349. Synthesis of benzylidene and azocontaining polymers for photophisical application

    The polymers built with the use of the free radical polymerization of methacrylic monomers incorporating an azobenzene side-group and monomers with benzylidene fragments. The results of photochemical and optical activities of the corresponding elements.

    статья (288,8 K)
  • 2350. Synthesis of cobalt (II) complex with new ligand di (furanyle methylene hydrazono) 1.2- di acetyle hydrazine

    Study of the synthesis of complexes of diacetylhydrazine with hydrazine hydrate. Carrying out the reaction of the ligand with cobalt in the presence of salts of metal chloride and furfural. Condensation of diacetylhydrazine with hydrazine monohydrate.

    статья (838,5 K)
  • 2351. Synthesis of expert system and artificial neural network for determining the mechanical properties of the researching object

    The review method is intended to determine the properties of steel materials. Modeling neural networks to clarify the characteristics of metals. Determination of the values of the properties of steels. Structure of expert system of assessment materials.

    статья (426,7 K)
  • 2352. Synthesis of Fe:MgAl2O4 nanopowders into laser plum

    The features of production of Fe:MgAl2O4 nanopowders by evaporation of targets made from a oxide mixture by repetitively pulsed laser radiation. Differences in the phase compositions of the solid powder substances. A rate of the cooling the ytterbium.

    статья (885,8 K)
  • 2353. Synthesis of heterometal copolymer complexes with fragments of Mn(II) and Zn(II) b-diketonates

    The main peculiarity of the heterometallic half-dimensional complexes with b-diketonate fragments. Carried out in the process of blocking at the site of dimethylformamide at the presence in the attendance of the additive agent, benzohexperoxide.

    статья (109,6 K)
  • 2354. Synthesis of impedance cylinder

    The problem of synthesis for an infinite circular impedance cylinder is investigated. The law of impedance distribution must provide, with higher speed, the electromagnetic field attenuation along the structure, as compared with an conducting cylinder.

    статья (213,1 K)
  • 2355. Synthesis of n-benzoyl-n’-(9,10-dioxo-9,10-dihydroanthacen-1-yl) thioureas and quantum-chemical analysis of the reaction passing

    Study the interaction of an order of amino-anthraquinones with benzoylisothiocyanate. The process of obtaining the formation of new N-benzoyl-N '- (9,10-dioxo-9,10-dihydroanthacen-1- yl) -thioureas. Quantumchemical analysis of the passing reaction.

    статья (314,6 K)
  • 2356. Synthesis of new n-aryl-2-[(4-amino-4H-1,2,4-triazolo-[4,3-b]pyradazin-3yl)thio] acetamide derivatives

    Prepared of n-aryl-2-[(4-amino-4H-1,2,4-triazol-3yl)thio] acetamides by interaction of amino-1,2,4-triazolyl-3thiol with n-aril-2-chloroacetamides and formation of n-aryl-2-[6,8-dimethyl[1,2,4]triazolo[4,3-b]pyradazin-3-yl)thio]acetamide derivatives.

    статья (93,9 K)
  • 2357. Synthesis of novel surface active methacrylate monomers based on e-caprolactone

    Investigation of the reaction of e-caprolactone with methacrylic acid. Synthesis of the compound chloride with polyethylene glycol ether. Peculiarities of surface active methacrylate monomer. Surface tension in aqueous solution in contact with air.

    статья (196,5 K)
  • 2358. Synthesis of Perfluoroalkyl Heterocycles Using Perfluoroolefins Containing a Reactive Group at the Double Bond

    Reactions of Thiocyanate and Isothiocyanate Derivatives of Fluoroolefins with N-Nucleophilic Reagents. The Influence of the N-Nucleophile on the Construction of Six-Membered Heterocycles. The Use of Fluoroolefins with a Carbonyl-Containing Substitutent.

    статья (1,2 M)
  • 2359. Synthesis of silicas with carboxyl functionality using template method

    Analysis of the method of synthesis of new materials with carboxylic acid groups, based on the template method, was developed. The efficiency of this methodology was demonstrated by powder x-ray diffraction, infrared spectroscopy and thermal analysis.

    статья (168,1 K)
  • 2360. Synthesis of Socio-Economic Maps and Visualization of Deviant Activity Measures of Financial Monitoring of Entities

    Improving the efficiency of assessing the situation by decision-makers by visualizing financial monitoring data. The modeling of the subject area of ​​financial monitoring was carried out and the mathematical and methodological tools were sele

    статья (1,1 M)
  • 2361. Synthesis of sodium and potassium alkoxides using electrochemical methods

    The basic properties of alkoxides. Production technology of alkali metals alkoxides. Direct Synthesis in the Interaction of Metal and Alcohol. Interaction Metals Oxides and Hydroxides with Alcohols. Exchange reactions with alcohols, transesterification.

    статья (376,3 K)
  • 2362. Synthesis of some novel thiazolo[4,5-b]pyridines and their tuberculostatic activity evaluation

    The efficient synthetic protocol for aminomethylation proceeding was developed which led to obtaining a series of novel 3-(phenylamino)-methyl derivatives of 5,7-dimethyl-6-phenylazo-3Н-thiazolopyridin-2-one. The conditions for aminomethylation reaction.

    статья (120,4 K)
  • 2363. Synthesis of the intellectual system for assessment of the technical condition of electrical supply system equipment with photoelectric plants and energy storage

    A mathematical model of the system of proactive management of the condition of the electrical equipment, which involves the selection and use of various methods of intellectual analysis of information about changes in its key diagnostic parameters.

    статья (698,3 K)
  • 2364. Synthesis, physico-chemical properties and prognosis of the pharmacological activity of 4-phenyl-5-(1,2,3-benzotriazolyl-1)-3-mercapto-1,2,4-triazole(4H) derivatives

    The study of the synthesis and physicochemical properties of derivatives of 4-phenyl-5-(1,2,3-benzotriazolyl 1)-3-merkapto-1,2,4-triazole(4H). Due to computer prognosis data the substances synthesized are prospective anticonvulsants and antiasthmatics.

    статья (236,0 K)
  • 2365. Synthesis, structure, and characteristic of Zn(II) and Cd(II) coordination compounds with 3-methoxybenzene acid hydrazide and their biological activity

    Getting the coordination compounds of Zn (II) and Cd (II) from 3-methoxybenzene acid hydrazide using hot etanolnyh or water-ethanol solutions in weakly acidic medium. Participation organic ligand molecules in the formation of solid Zn(II) і Cd(II).

    статья (290,9 K)
  • 2366. Syntropy of unclassified complexes of multiple congenital malformations

    The study of congenital malformations. The frequency analysis is most often a combination of defects consisting of multiple congenital anomalies. Determination of the value of syntropy as a marker for congenital heart defects, Central nervous system.

    статья (343,3 K)
  • 2367. Syrian crisis and its impact on Turkish foreign policy

    The civil war in Syria under the influence of the Arab spring. The crisis, which forced Turkey to shelter Syrian refugees. The activities of terrorist groups on the southern borders. The reasons for Turkey’s military intervention in the Syrian crisis.

    статья (18,6 K)
  • 2368. System -therapeutic view of the experience and behavior in children and adolescents

    Fundamental relativity of all perceptual and cognitive processes. Family member's behavioral problems, problems or psychological symptoms. The permanent interaction of system members with surrounding systems. Coalitions as an important pathogenic factor.

    статья (23,8 K)
  • 2369. SYSTEM ANALYSIS OF THE CONCEPT OF “POWER” WITHIN

    The purpose of the article is to formally define the concept of "power", which may be relevant for solving a specific research problem. The article formally defines the concept of "power", which may be relevant for solving a specific research problem.

    статья (18,2 K)
  • 2370. System competition: concept, problems and limits

    Characteristics of international competition within the existing integration structures, determination of prospects for the development of states in the context of constitutional competition between countries. Prospects of international competition.

    статья (28,7 K)

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