43,101 Result(s)
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Article
Synthesis and properties of heteroorgani C copper acetylides
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Derivatives of heteroorganic copper acetylides with n-butylethynylphosphine and diphenylethynylarsine were pr...
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Article
Silver acetylides in the reaction of ethynylation
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Triphenylethynyl derivatives of phosphorus, arsenic, and antimony were obtained by the interaction of silver ...
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Article
Practical Application of Acupuncture Analgesia
Acupuncture analgesia can sometimes be considered as an alternative to drugs, but it cannot be considered as a universal replacement. There are certain cases, however, where acupuncture analgesia is better tha...
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Article
35Cl and79Br NQR spectra of some acetylenic derivatives
A study was made of the NQR spectra of the ethynyl derivatives of 4-chlorophenylacetylene and it was established that in its conductive properties the phenylacetylene system is close to the p-phenylene system.
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Article
Vibrational spectra of a complex of phenylacetylene with copper chloride
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The change in the vibrational spectrum of phenylacetylene during its coordination with copper chloride was in...
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Article
Synthesis of new bis-ethynyl compounds
The reaction of aromatic diiodides with copper phenylacetylide gave a number of new bis-ethynyl compounds.
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Article
Effect of aromatic substituents on the absorption spectra, photoconductivity, and photoelectromotive force of cuprous organoacetylenides
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As the number of fused rings in the ligand of the cuprous organoacetylenides with the general formula ArC≡CCu...
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Article
The effect of heteroatoms on the absorption and photoconduction spectra of heteroorganic copper acetylenides
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Absorption spectra and an internal photoeffect have been observed and studied (lux-ampere relation, kinetics,...
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Article
Pharmacokinetics of a number of cyclic substituted barbiturates in the intact rat and the isolated perfused rat liver
The pharmacokinetics of a series of cyclic substituted barbiturates was studied both in the intact rat and in the isolated perfused rat liver. The rate of elimination of the compounds was clearly related to th...
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Article
Complexes of copper phenylacetylide with triphenylphosphine
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Crystalline complexes of the phenylacetylide of copper and triphenylphosphine with Cu-to-P ratios of 1∶1 and ...
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Chapter
Physical Studies of Hg(II) and Ag(I) DNA Complexes — Theory
The binding of Hg(II) and Ag(I) to the bases of DNA and polynucleotides induces strong absorption and CD bands. From electric dichroism studies, the transition moment of the difference absorption band at 293 n...
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Article
Thermodynamic properties of copper acetylide in the range 0–330°K
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The heat capacity (Cp°) of crystalline copper phenylacetylide (CPA) in the range 11–330°K was measured in an ...
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Article
Pentafluorophenyliminothiodihalides and their conversions in acid media
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Pentafluorophenyliminothiodifluoride is formed upon the action of SF4 on pentafluoroaniline in the presence o...
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Article
Solution of limiting extremal problems for minimizing functionals
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Article
Book reviews
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Article
On “finite element analysis of Axisymmetric elastic body problems”
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Article
Complexes of copper(I) halides with bis (trimethylsilyl) acetylene
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The authors have synthesized 1∶1 complexes of bis (trimethylsilyl) acetylene with copper(I) chloride and brom...
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Chapter and Conference Paper
Voltammetric Determination of Reducing Substances in Paddy Soils
For the quantitative determination of reducing substances, potentiometric titration and chemical methods have been employed(1–3). However, these methods are tedious in operation. And, what is more important, t...
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Chapter and Conference Paper
Determination of Stability Constant of Mn (11)-Complex by Voltammetric Method
In our previous work (l) it was shown that in submerged paddy soils the ferrous iron complexed by water-soluble organic substances accounted for 10–40% of the total water-soluble iron, and the stability consta...
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Article
Some sketches on the history of Chinese dermatology
The above sketches give only a glimpse of some of the things going on in China. There are plenty of problems waiting for us to be solved in the future.