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排序方式: 共有48条查询结果,搜索用时 15 毫秒
1.
Gelation Properties of Ovalbumin as Affected by Fatty Acid Salts 总被引:2,自引:0,他引:2
NAOKO YUNO-OHTA HIROKO TORYU TAKAHIKO HIGASA HIDEO MAEDA MITSUKO OKADA HIROYUKI OHTA 《Journal of food science》1996,61(5):906-910
The physicochemical properties of heat-induced ovalbumin (OVA) gels containing fatty acid salts (FAS) were investigated. Water-holding ability and transparency markedly increased in the presence of sodium caprate or sodium laurate. At 9% of the protein concentration transparent and hard gels formed; at 7%, transparent and soft gels formed. Scanning electron microscopy showed that the transparent gels had a more homogeneous structure than turbid gels without FAS. Differential scanning calorimetry indicated that denaturation temperature of OVA was decreased and the peaks became broader after addition of FAS. 相似文献
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Quadrupole interactions of 11 B and 27 Al in SiO2 -B2 O3 -Al2 O3 -R2 O glass systems were investigated to determine the structure of these glasses, which should be amenable to chemical strengthening. The ratio of BO4 units to BO3 units approached unity as the R2 O/Al2 O3 ratio for compounds having fixed B2 O3 contents approached unity. Nuclear quadrupole coupling constants ( e2 Qq/h =2.73 to 2.93 MHz) were measured for the NMR spectra of 11 B triangles. The line shapes of 27 Al spectra varied with chemical composition, but a few glasses exhibited 27 Al line shapes similar to those of the AlO4 triclusters in SiO2 -Al2 O3 -Na2 O glasses. Compositional trends in the formation of BO4 and AlO4 were deduced from the NMR spectra. 相似文献
3.
HIDEO TANAKA 《International journal of control》2013,86(2):439-441
Given a general non-linear plant, a method is presented for designing model reference feedback controllers for the plant. It is shown that the feedback controllers produced will guarantee prespecified closed-loop properties if the error between the plant and model lies within computable bounds. In particular, an upper bound on the tracking error is established and conditions are given that ensure closed-loop stability. 相似文献
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MATSUDA Hisashi CHIBA Takahiro YAGAMI Masaki TAJIMA Yusuke WATANABE Nobuyoshi SATO Hideaki TAKEYAMA Masafumi 《热科学学报(英文版)》2022,31(1):72-81
The plasma actuation (PA) effect on the snow falling flow was investigated using a plasma electrode with weather resistant design and the natural snow wind facility of the Hokkaido University of Science. NACA0015 test blade with chord length c of 300 mm was used. Wind tunnel tests were carried out under the angle of the attack of the blade was fixed at 15 degrees, and the main flow velocity is U=5 m/s. PIV (Particle image velocimetry) measurements were conducted on various PA conditions using natural dry snowflakes as a tracer. When the actuator was driven under the condition of the fundamental frequency of F=50 kHz, and the pulsed modulated frequency f of fc/U=1 and Duty ratio (Ratio of plasma ON time to pulse duration time) =1%, movement of snowflakes was controlled the most effectively tested. It was clarified that the fundamental frequency of PA also affects the control of snow flow. Under snowfall conditions, the weather resistant designed plasma electrode has suffered no damage and operated successfully. 相似文献
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HIDEO TORAYA MASAHIRO YOSHIMURA SHIGEYUKI SMIYA 《Journal of the American Ceramic Society》1984,67(9):183-C
An equation for a nonlinear calibration curve of volume fraction vs integrated intensity ratio is presented for monoclinic-stabilized cubic ZrO2 systems containing YO1.5 , CaO, and MgO. A parameter in the equation was evaluated theoretically and is given for a range of cubic solid solution compositions. 相似文献
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RYUZO SASAKI KATSUZUMI OKUMURA NAOFUMI KITABATAKE NORIKO KITABATAKE HIDEO CHIBA 《Journal of food science》1982,47(1):31-35
Aldehyde levels in defatted soybean extracts were measured by using aldehyde dehydrogenase. The level increased during incubation of flour-water suspension and its centrifuged extract at pH 6.5, while it decreased markedly at alkaline pHs. This aldehyde-eliminating activity was observed in 1:5 flour:water ratio, but was not in 1:20 flour:water ratio. 14C-labelled acetaldehyde added to 1:5 flour:water extract was converted into acetic acid. Fractionation of the extract indicated that a heat-labile protein and a heat-stable compound with low molecular weight were required for the aldehyde-eliminating activity. 相似文献
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HIDEO TORAYA MASAHIRO YOSHIMURA SHIGEYUKI SMIYA 《Journal of the American Ceramic Society》1983,66(11):818-822
The hydrothermal oxidation of Hf was studied using metal powders and chips to change the surface-area effect. Fine monoclinic HfO2 powders (32 to 34 nm) were formed through two parallel reaction paths, one the oxidation of Hf with H2 O and the other the consecutive reaction via formation of Hf hydride. Based on the experimental results at 500°C under 100 MPa, three reaction rate constants were determined for two kinds of starting materials. The relative widths of two paths were proved to be independent of the size of starting materials, and the pulverization and oxidation of both metal powders and chips could be explained by the same mechanism, where the formation of hydride was a driving force in pulverization. 相似文献