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1.
TAKESHI SANO SATOSHI F. NOGUCHI TAKAHIDE TSUCHIYA JUICHIRO J. MATSUMOTO 《Journal of food science》1989,54(2):258-264
To determine the contribution of tropomyosin to fish muscle gel characteristics, the gel properties of the tropomyosin-desensitized actomyosin system and of the tropomyosin-myosin system were investigated. For both systems, the indices of gel properties decreased considerably on increasing the tropomyosin content. Even when the two-step heating was carried out, the indices of gel properties decreased considerably on increasing the tropomyosin content. Tropomyosin negatively affected the gel formation of fish muscle and reduced the gel strength and elasticity of the fish muscle gels. 相似文献
2.
Abstract The viscosities of fat crystals extracted by 1 % Aerosol O.T. from butter and margarine have been studied using a Weissenberg Rheogoniometer. By applying the Brodnyan (1959) equation for non-spherical particles to the viscosity data at high rates of shear, after correcting for secondary flow phenomena, it was deduced that the axial ratios of the margarine fat crystals were between 3.05 and 3.94, with the fat crystals from butter lying midway between the two extremes. By applying viscosity equations of the exponential type to such data, it should be possible to calculate the viscosity of butter and margarine at very high rates of shear when the viscosity of the liquid oil in the fat phase and the volume concentration of water drops are known. This information could be useful for predicting the spreadability characteristics of butter and margarine. 相似文献
3.
Cystatins are protein inhibitors of cysteine proteinases. Oryzacystatin I (OC-I) has been cloned and is apparently the first well-defined cystatin of plant origin (phytocystatin). Besides OC-I, various other phytocystatins occur in rice, corn, wheat and soybean. Phytocystatins have endogenous target enzymes whose expression is induced by gibberellin, and also exogenous target enzymes from viruses and insects. It is thus likely that phytocystatins are involved in the regulation of intracellular protein catabolism as well as in the defense from infection. Better understanding of this phenomenon and cloning of appropriate genes will facilitate the creation of transgenic crops with enhanced resistance to viruses and insects. 相似文献
4.
DISPERSION STATE OF PROTEIN-STABILIZED EMULSIONS 总被引:1,自引:0,他引:1
TOMOYOSHI MITA EIKO IGUCHI KENICHI YAMADA SACHIO MATSUMOTO‡ DAIZO YONEZAWA 《Journal of texture studies》1974,5(1):89-96
The stability of concentrated benzene-in-water emulsions emulsified by bovine serum albumin (BSA) in the presence of various concentrations of sodium chloride has been measured in the light of the coalescence kinetics. On the acid and alkaline sides of the isoelectric point of BSA (pH 4.9), the rate of coalescence between globules decreased and approached that at the isoelectric point of BSA with increasing concentrations of sodium chloride. In these systems, the interfacial tension at the benzene/aqueous BSA solution interface, and the globule size distribution in the emulsions, reached the values observed at the isoelectric point when the concentration of sodium chloride was above about 50 mM. The role of the adsorbed film of BSA on the surface of dispersed globules is considered in relation to the dissociation state of the BSA molecules. 相似文献
5.
KEINOSUKE MATSUMOTO TOSHIAKI SAKAGUCHI TOMOOMI WAKE 《Expert Systems》1985,2(3):134-138
Abstract: This paper proposes a method of fault diagnosis of power systems based on a knowledge-based approach. It makes use of information on relays and circuit breakers. The feature of this method is that the relay sequence is represented by a logical circuit. In this circuit the following two relations are represented; a logical relation between inputs and output of a gate and a connective relation between logical gates. These two relations are expressed by production rules in the knowledge base. When the information from relays and circuit breakers is given to the logical circuit, faulty components are pointed out. 相似文献
6.
A study was made of the influence of various additives on the stability and low shear viscosity of water-in-olive oil-in-water emulsions. The additives were glucose, sucrose, acetic acid, citric acid, ascorbic acid, sodium chloride and sodium acetate, Glucose and sucrose increased viscosity for some time until a constant value was reached. With the other additives an initial increase in viscosity was followed by a decrease and a corresponding decrease in stability. These observations are explained in terms of the osmotic pressure gradient between the inner and outer water compartments, and the effect of additives on the physical state of the emulsifier films adsorbed at the interfaces between the two water compartments and the oil phase. 相似文献
7.
8.
TAKAHIRO WATANABE HIROSHI AKIYAMA SOHEILA MALEKI HIROHITO YAMAKAWA KEN IIJIMA FUMINORI YAMAZAKI TAKASHI MATSUMOTO SATOSHI FUTO FUMIHIRO ARAKAWA MASATOSHI WATAI TAMIO MAITANI 《Journal of Food Biochemistry》2006,30(2):215-233
A qualitative method for detection of peanuts in foods using polymerase chain reaction was developed. A universal primer pair CP 03‐5′/CP 03‐3′ was designed to confirm the validity of the DNAs for PCR. The plant‐specific amplified fragments were detected from 13 kinds of plants using the universal primer pair. In addition, for the specific detection of peanuts with high sensitivity, the primer pair agg 04‐5′/agg 05‐3′ was designed to detect the gene encoding the peanut agglutinin precursor. The primer pair specifically generates a 95‐bp amplified fragment from peanut genomic DNA. Five hundred femto grams of peanut genomic DNA can be detected using the established method. The same qualitative results were obtained from both model processed and nonprocessed food samples containing 0.001, 0.01 and 0.1% of peanut. Moreover, it was shown that the trace amount of peanut in the commercial food products could be qualitatively detected using this method. The reproducibility and applicability of the proposed methods were verified in a six‐laboratory collaborative study. 相似文献
9.
The textural properties of cooked muscle of five fish species, skipjack, flying fish, common horse mackerel, plaice and channel rock fish, were evaluated by a consumer panel. The data thus obtained were analyzed by a Multivariate Analysis Method, using quantitative categories, which normally would be considered qualitative. Although an analysis of the data of the five species as singular components of the total proved unsuccessful, satisfactory discrimination was attained by comparing correlation ratios of the data of each pairing of the fish species, each species paired against the other. Based on these ratios, an integrated correlation indicating the textural profile differences between the totality of five fish species by means of a multidimensional diagram was determined. 相似文献
10.
设计制作3个高阻尼黏弹性阻尼器,对其进行变形相关性和频率相关性的性能试验、疲劳性能试验及老化性能试验,以最大剪应力、存储剪切模量和等效黏滞阻尼比为指标研究阻尼器的性能规律,采用通用Bouc-Wen计算模型模拟其滞回曲线,并对比模拟结果和试验结果。研究结果表明:该阻尼器滞回曲线饱满、力学性能稳定,具有较强的耗能性能和大变形能力,抗疲劳性能和抗老化性能良好。变形对该新型高阻尼黏弹性阻尼器力学性能指标的影响明显,加载频率对其影响较小。Bouc-Wen模型的模拟结果与试验结果吻合良好。 相似文献