نتایج جستجو برای: natural draft
تعداد نتایج: 506483 فیلتر نتایج به سال:
The effects of three levels of soil moisture content (10 - 12, 13 - 15 and 16 - 18% d.b.) and three levels of plowing depth (15, 20 and 25 cm) on draft, specific draft, and drawbar power requirements of a 3 - bottom disk plow and on soil pulverization and inversion in a clay loam soil were investigated. The experimental design was a randomized complete block design with a 3 × 3 factorial. Excep...
The purpose of this research was to develop tools applicable to the Health Impact Assessment (HIA) in Environmental Impact Assessment (EIA) in a Thai context. The relevant documents and articles were extensively reviewed, analyzed, and drafted. The first draft was presented to a research advisory committee for their review, and the recommended changes were subsequently made. The second draft wa...
Roseovarius sp. A-2 is a heterotrophic iodide (I-)-oxidizing bacterium isolated from iodide-rich natural gas brine water in Chiba, Japan. This strain oxidizes iodide to molecular iodine (I2) by means of an extracellular multicopper oxidase. Here we report the draft genome sequence of strain A-2. The draft genome contained 46 tRNA genes, 1 copy of a 16S-23S-5S rRNA operon, and 4,514 protein codi...
the chisel plow is one of the tillage implements utilized to carry out conservation tillage practices; therefore, it is valuable to pay more attention on the force requirement of this implement. to achieve this goal, a theoretical model was developed to calculate draft, specific draft, and drawbar power of a chisel plow. then, results obtained from the developed model were compared with the rep...
Draft tube of Francis type hydraulic turbine usually consists of: cone, elbow and diffuser. On the contrary, in some power stations an extra pipe should be added to the draft tube at the bottom of cone because of installation limitation. In this paper, this special case has been numerically studied. To this end CFD analysis was applied to simulate all parts of hydraulic turbine. A homogeneous m...
Large populations may contain numerous simultaneously segregating polymorphisms subject to natural selection. Since selection acts on individuals whose fitness depends on many loci, different loci affect each other's dynamics. This leads to stochastic fluctuations of allele frequencies above and beyond genetic drift-an effect known as genetic draft. Since recombination disrupts associations bet...
the international responsibility of state, constitute one of the most important questions in the field of the international law. with adoption of draft article about state responsibility by ilc (2001), the subject of human rights, remain. in the other word, is this draft, include any field of state responsibility and any conduct arising from private actors, or the subject of human rights remind...
This paper presents an architectural framework, which identiies the core services necessary for a secure Internet-based communication and information infrastructure. We show how these services can be realized using existing software packages and new technologies. Then, we turn to the development of security infrastructures using the rapid prototyping environment \Wafe" and the extensible Web br...
We describe our experience in designing object-oriented software for a sparse direct solver. We discuss , a library of sparse matrix ordering codes and Oblio, a code implementing the remaining steps in a direct solver. EEciencies comparable to procedural codes are obtained by careful implementations of eecient algorithms. We discuss the other goals of our design: managing complexity, simplicity...
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