14,177 Result(s)
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Article
A Modified Patterson Function
RECENTLY Yü has suggested in NATURE1 the synthesis of a new modification of the Patterson function, which has proved very useful in structure analysis of crystals. For the one-dimensional case, Yü's method is to ...
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Article
Separation of certain cations from ferric ions on oxycelluloses
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Article
Relationship between the solubility of alumina, quartz, and kaolin grog in feldspathic melt and the firing temperature
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Article
Coexisting adenocarcinomas of the esophagus and of the esophagogastric junction
A case is presented showing two carcinomas involving the esophagus. One was a poorly differentiated invasive adenocarcinoma rising in the cardia, and the other was a grossly papillary, preinvasive adenocarcino...
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Article
Inhibition of DNA Synthesis of Target Cells in vitro by Sensitized Lymphocytes
SEVERAL experimental systems have been developed to test the cytotoxic effect of sensitized lymphocytes on target cells in vitro1–7. In a previous report8 we presented evidence for the inhibitory effect of lympho...
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Article
On the fracture of highway pavements
Using a model of a single layered foundation to describe a highway or an airfield pavement and an integral formulation, the problem of a pavement containing on-the-top layer a crack of finite length 2c is solv...
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Article
Ultrastructural changes of the canine gastric mucosa after topical application of graded concentrations of ethanol
Changes in the fine structure of the gastric mucosa following exposure to graded concentrations of ethanol were studied in dogs. 300 ml of 12.5, 20, and 40%, vol/vol, were instilled intragastrically for 30 min...
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Article
Malignant potential of gastric polyps
The malignant potential of gastric polyps is correlated to their pathologic features. The vast majority can be divided into two types: hyperplastic polyp and adenoma. Hyperplastic polyp is composed of well-dif...
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Article
Crystal structure of triphenylselenonium chloride dihydrate
The structure of triphenylselenonium chloride dihydrate has been determined by single-crystal X-ray diffraction techniques. Crystals of the compound C18H15Se+, Cl−, 2H2O are monoclinic, space groupC2/c, witha = 1...
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Article
Invited commentary
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Chapter and Conference Paper
Investigation on Nitrogen-Fixing Bacteria in Rice Rhizosphere
It has been confirmed in many laboratory and field experiments that the nitrogen-fixing activity in rice rhizosphere is rather high. There has been a number of different nitrogen-fixing bacteria isolated from ...
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Chapter
“Narcan Challenge” A Four Year Study of Addiction Determination
The determination of the presence or absence of addiction is often a difficult and uncertain task. Dependence upon clearly defined “tracks”, other stigmas of heroin addiction, history and verifying third parti...
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Chapter
Heroin Maintenance Versus Dilaudid Transition
The prevalence of narcotic addiction in Britain and Europe and the apparent need to control narcotic distribution provoked the Hague Convention in 1912. By 1920, Parliament enacted the Dangerous Drug Act, foll...
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Article
Invited commentary
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Article
The calculation of semi-circular corrugated tube-an application of the general solution of ring shell
In this paper, the deformation and stress distribution in semi-circular corrugated tube under axial force are calculated by means of the general solutions of circular ring shell given in previous paper[1].
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Article
The solution for axisymmetrical shells with abrupt curvature change (corrugated shells) by the finite element method
It has been noted in the present paper that the finite element method using linear elements for solving axisymmetrical shells cannot be applied to the analysis of axisymmetrical shells with abrupt curvature ch...
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Chapter
Separation of the Rare Earths and Some Polyvalent Cations on Inorganic Ion Exchangers
Inorganic ion exchangers have been found to have excellent selectivity for the alkali metals and alkaline earths (1). We have investigated inorganic ion exchangers for the separation of the rare earths and oth...
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Chapter and Conference Paper
Plasma reflection spectrum of the Pb 1−xSnxTe inhomogeneous layers and vapour transport process of Pb 1−xSnxTe
The carrier concentration profile of P/P+Pb0.8Sn0.2Te LPE layers and isothermal diffusion layers are determined by the measurement of infrared plasma reflection. It is found that the important mechanism of diffus...
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Chapter and Conference Paper
Spontaneously Occurring Hypertrophic Cardiomyopathy in Dogs and Cats: A Potential Animal Model of a Human Disease
Cardiac morphologic features are described in 51 cats and ten dogs with spontaneously occurring hypertrophic cardiomyopathy. Each animal had a hypertrophied, but nondilated left ventricle in the absence of ano...
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Article
Elimination of ammonia interference in acidimetric determination of sulphur dioxide
Ammonia interference in acidimetric determination of sulphur dioxide can be eliminated by separate determination of ammonia in the same sample and by correction of results. However, with this addition the proc...