This method is highly effective and fast,which can be applied to research and develop for diterpenoids in Pteris semipinnata L as new antitumor drug resource.
From the angle of SCM,the paper clarifies the importance of procurement management in modern enterprise management and introduces the architecture,function,development mode and features of a material procurement information system based on Web.
NET,ArcObjects and ArcGIS Server: 1) server management and configuration,2) communication between Web application and GIS server,constructed an update information management publishing system with the above technical method,and provided a feasible approach for realizing enterprise level centralized management GIS application development.
The evaluation of tourism resources provides the theory gist for reasonable development of the tourism resources,is a premise that carry on tourism programming.
In male mandrills, puberty begins before 4 yr, but males continue to grow and develop for a further 6 yr, attaining adult size and appearance at 10 yr.
Although histologic changes of benign prostatic hyperplasia (BPH) begin in men when they are in their thirties, symptomatic BPH characterized by lower urinary tract symptoms (LUTS) typically do not develop for several decades.
Do antiphospholipid antibodies develop for a purpose
Although histologic changes of benign prostatic hyperplasia (BPH) begin in men when they are in their thirties, symptomatic BPH characterized by lower urinary tract symptoms (LUTS) typically do not develop for several decades.
Stress-induced metabolic mechanisms differently develop for blood lipid fractions and blood glucose.
The theory of fluid displacement in a medium with doubleporosity has been generalized to include the effects of gravity into consideration.Various situations of fluid displacement in the gravitational field are thoroughly investigated,thereby giving a theoretical basis for efficient production of oil from carbonate reservoirs with bottom Water.
The muddy coast of the southern Zhejiang Province belongs to deposited coastal segment. The source of sediments is quite in abundance.It is supplied by the Oujiang, the Fiyuenjiang and the Aujiang Rivers.In addition, it is also supplied by the littoral current. In the recent 30 years, the mean progra-dation-rate of the shores and beaches toward the sea reaches about 20-30m per year. The vertical distribution of the sediments also proves that the sediments of the offshroe facies of. the modern intertidal zone...
The muddy coast of the southern Zhejiang Province belongs to deposited coastal segment. The source of sediments is quite in abundance.It is supplied by the Oujiang, the Fiyuenjiang and the Aujiang Rivers.In addition, it is also supplied by the littoral current. In the recent 30 years, the mean progra-dation-rate of the shores and beaches toward the sea reaches about 20-30m per year. The vertical distribution of the sediments also proves that the sediments of the offshroe facies of. the modern intertidal zone developed on the basis of the shallow sea facies of the prime subtidal zone.The changes of the shores and beaches and erosion and accretion of this region are very complicate from hydrological and sedimental points of view. In general, there is a tendency of deposition above the medium tidal level, but below that level, the sediments are not deposited easily because the hydrody-namic forces are relatively string and also because of the littoral current.
The pressure drop is a main factor of fixed bed reactors.It is very important to decreace the pressure drop in reactor development, research and design.This Paper has made a review on the design and production of reactors and the manufacture of the catalyst. According to the practic in the chemical industry in our own and other countries, the author provided several methods to decreace the pressure drop, So there is a way to develop some new reactors with low resistance
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