Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 44041-44060 of 98886
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(1999)We report an extension of the theory of Sheng, Xing and Wang (SXW) (Sheng L, Xing D Y and Wang Z D 1995 Phys. Rev. B 51 7325), which permits the calculation of size effects from the statistical properties that characterize ...
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(1991)In a sample of 63 female suicide attempters, EPQ-R Psychoticism appeared as the most relevant dimension related to hopelessness, suicidal ideation and number of previous attempts. Extraversion correlated negatively with ...
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(1986)Gramine (N,N‐Dimethyl‐3‐aminomethylindole) content in various barley cultivars varied from 0 to 2.6 mmoles/kg fresh weight. Those cultivars which were lacking gramine were the most susceptible to the aphid Rhopalosiphum ...
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Aromatic nucleophilic substitution in nucleophilic surfactants. Comparison with alkoxide reactions (1976)The reactions of 2,4-dinitrochloro- and fluorobenzene (DNC and DNF) with the alkoxide ions of choline, propargyl alcohol, and 2,2,2-trifluoroethanol give ether intermediates which react readily with hydroxide ion. The ...
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(Marcel Dekker Inc., 1997)
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(1987)Cookies enriched with 0, 5, 10, 15, 20, and 25% full‐fat sweet lupine flour (FFSL) were evaluated by a sensory panel using the rank of preference and paired comparison tests. Cookies with 0, 5, and 10% FFSL were preferred ...
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(1991)2,4‐Dihydroxy‐7‐methoxy‐1,4‐benzoxazin‐3‐one (DIMBOA), a hydroxamic acid (Hx) occurring in wheat, was shown to deter feeding by the aphid Rhopalosiphum padi (L.), and to reduce BYDV transmission to the plant. Dual choice ...
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(Kluwer Academic Publishers-Plenum Publishers, 1992)DIMBOA glucoside (2-O-/gb-D-glucopyranosyl-4-hydroxy-7-meth-oxy-1,4-benzoxazin-3-one), the main hydroxamic acid (Hx) in intact wheat plants, was detected in the honey dew of Rhopalosiphum padi feeding on seedlings of six ...
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(1993)During the charge-transfer process in the excited state of aromatic carbonyl compounds, the local C-O net charge decreases as the polyene bridge length between the aromatic and the carbonyl systems is increased. Part of ...
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(Universidad de Chile, 2018)En este trabajo se realiza una revisión crítica de la regulación del divorcio en Chile contenida en la Ley N°19.947 sobre Matrimonio Civil. Para emprender dicha labor, se analiza la normativa indicada desde la perspectiva ...
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(1976)The endogenous protein synthesis of Xenopus laevis and Calyptocephalella caudiverbera oocytes was studied by measuring the incorporation into acid-precipitable material of radioactive amino acids placed in the extracellular ...
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(1976)A past history of idiopathic cholestasis of pregnancy (ICP) was detected in 10 out of the 32 multiparous women in the last two generations of a large kindred. The affected women are distributed in five family units, sharing ...
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(2008)A technique for wavelength calibration promises to revolutionize observational astrophysics, in areas including planet searches and cosmology.
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(1975)THE microinjection technique perfected by Gurdon and his collaborators 1,2 represents an excellent method for the study of the in vivo effects of drastically changing the molecular contents of the injected cells. We have ...
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Role of glucose-1-phosphate and glucose-6-phosphate in glycogen synthesis by pigeon liver homogenate (1976)1. 1. Glucose-1-C14, G-6-P-1-C14 and G-1-P-l-C14 have been incubated with a pigeon liver homogenate. Incorporation of C14 into glycogen and CO2 were measured. 2. 2. The relative incorporation of C14 from G-6-P-1-C14 and ...
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(1991)We reanalyze a recent paper by Kim et al. [Phys. Rev. B 38, 5716 (1988)] regarding the kinetics of hydrogen uptake by niobium surfaces. We show that the kinetic analysis performed by these authors is incorrect. © 1991 The ...
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(1975)Increasing concentrations of chloride were found to increase the resolution between two visible absorbance spectral transitions associated with acidification of ferricytochrome c. Analysis of a variety of spectral and ...
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(Società Italiana di Fisica, 1987)We introduce a new definition of symmetry transformations in quantum mechanics which contains the textbook definition as a special case. We find several conserved quantities associated with one (nonunitary) symmetry ...
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(Springer-Verlag, 1975)The time course of the membrane currents in the node of Ranvier in which the sodium and potassium conductances have been blocked reveals asymmetries during and after the application of depolarizing and hyperpolarizing ...
