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60755 documents, page 4 of 6076

Enzyme-linked immunosorbent analysis for aflatoxin B1.

Lawellin, D W; Grant, D W; Joyce, B K (1977)
An enzyme-linked immunosorbent analysis (ELISA) permitted the detection of less than 10 pg of aflatoxin B1 per ml. The antitoxin was most specific for aflatoxins B1 and B2alpha, and least specific for aflatoxin G1.

Orchard Frost Protection

Coston, D. C. (Donald Claude), 1950- (1977)
Describes the various approaches which can be used in order to avoid frost damage in orchards during radiation frosts.

Collective Excitations in Certain One-Dimensional Ising System with Extended Interactions

Jun-ichi, IGARASHI; Department of Material Physics, Faculty of Engineering Science Osaka University (1977)
Statistical mechanical effects of the low-lying energy levels on the equilibrium properties are studied for the one-dimensional Ising system in the close vicinity of X_r≡J_1+2J_2+…+rJ_r=0 with J_i the l-th neighbor-coupling constant, assuming J-1, |J_2|,…|J_r|≫k_BT. For the system with X_r>0, whose ground-state is ferromagnetic, a 'critical' temperature T_D is shown generally to exist. In accordance with Stephenson's one for the system with J_1 and J_2, T_D has the following meaning. The spin...

言語条件づけ課題における強化の組合わせ

玉瀬, 耕治; 門田, 恵子 (1977)
Two experiments were conducted to examine the effects of verbal reinforcement combinations on the performances in a Taffel-type verbal conditioning task. In Experiment I forty-five undergraduates were given direct reinforcements under one of the three reinforcement combinations : (1) "Good" for a critical response and "Bad" for three non-critical responses (RW), (2) "Good" for a critical response and nothing for three non-critical responses (RN), and (3) Nothing for non-critical responses and...

The biosynthesis of tyramine glucuronide by liver microsomal fractions.

Wong, K P (1977)
Labelled tyramine glucuronide was synthesized in vitro from UDP-[14C]glucuronic acid, [14C]tyramine or [3H]tyramine. The glucuronidation was carried out at pH9.2 in the presence of a monoamine oxidase inhibitor, trans-2-phenylcyclopropylamine. The Km values for tyramine were 69 and 125 micrometer and those for UDP-glucuronic acid were 260 and 290 micrometer respectively for guinea-pig and rat liver microsomal preparatons. The specific activities of microsomal glucuronyltransferase measured in...

Two-temperature membrane filter method for enumerating fecal coliform bacteria from chlorinated effluents.

Green, B L; Clausen, E M; Litsky, W (1977)
Reports indicate that the standard membrane filter (MF) technique for recovery of fecal coliform bacteria from chlorinated sewage effluents is less effective than the multiple-tube (or most-probable-number [MPN]) procedure. A modified MF method was developed that requires a preincubation period of 5 h at 35 degrees C followed by 18+/-1 h at 44.5 degrees C. This procedure was evaluated by using both laboratory- and plant-chlorinated primary and secondary effluents. Results obtained by the modi...

“Los miradores” Pozuelo de Alorcón Madrid – España

Azpiazu, José Ramón (1977)
Complex of forty one-family homes located in Pozuelo de Alarcón. These homes were laid-out in three rows, leaving an ample garden area between them, with two swimming pools and dressing rooms. The main reasons which led the architect to develop this urbanistic scheme and the type of home chosen were: to avoid monotony in the shape of the buildings; incorporation of the natural environment in the architecture to the greatest possible extent; the use of warm materials, such as wood, two ty...

Anisotropie du trainage de fluctuations thermiques dans le domaine de Rayleigh

Vergne , R.; Porteseil , J.L.; Blazek , Z. (1977)
Dans un échantillon polycristallin ferromagnétique dont la structure en domaines élémentaires est anisotrope, la valeur de la susceptibilité différentielle irréversible dépend de la direction dans laquelle on la mesure. Ce fait entraîne une variation angulaire du traînage de fluctuations thermiques qui lui est proportionnel. Mais ce n'est pas là la seule cause d'anisotropie de ce traînage car le champ de fluctuations lui-même peut dépendre de la configuration en domaines. Nous analysons cet e...
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