Matching welding materials, postwelding heattreatment and reasonable welding procedure of 0Cr16Ni5Mo martensitic stainless steel are introduced in this paper.
All are 6 set machine group, with 3200ZLQ45.5-2.4 vertical type shaft-flow pump and TL1800/52-3250 synchronism electric machine, corollary total power are 10800 kilowatt, belong to big unit style pumping station.
the materials of both H 2S corrosion resistance and CO 2 corrosion resistance should be used for the downhole packer,tubular goods and relevant corollary equipment;
the materials of both H 2S corrosion resistance and CO 2 corrosion resistance should be used for the downhole packer,tubular goods and relevant corollary equipment;
The working principle and structure of a 2.8m2 fluidized－ bed dryer as a corollary equipment for continuous casting have been analized． Its operation process and characteristics have been described．
The text discusses mixture ratio design and construction technics of corollary equipment of slide spreading machine, and improve internal quality of cement concrete pavement and dynamic smoothness.
Given a simple graph G and a positive integer k, the induced matching k-partition problem asks whether there exists a k-partition (V1, V2, ..., Vk) of V(G) such that for each i(1≤i≤k), G[Vi] is 1-regular.
In the algorithm, the tested face matches not only with the claimed client face but also with competitive negative samples, and all the matching scores are combined to make a final decision.
As a corollary we obtain an easy proof of a theorem of Borel and Serre: AnS-arithmetic subgroup of a semisimple group has all the finiteness propertiesFn.
By means of crossing two forms of wild rice (Oryza sativa L. f. spontanea) : "red-awned" and "Tengqiao local" from the Island of Hainan as the female parent with cultivars as the male and repeated back-crossing we have obtained several male-sterile lines of rice. We also succeeded in selecting some sterility-maintainers and fertility-restorers for them respectively to facilitate the utilization of heterosis in rice.It is noteworthy that the two forms of wild rice have different kinds of cytoplasm and they r...
The quintuple strong motion seismograph may record three-component ground displacements with mechanical lever amplification, visible recording and triggering without the loss of the first motion of the earthquake waves, preserving wave forms 20 seconds before triggering.The parameters of the instrument are: T 5.00 sec, D 0.550, V 5.00. Its zero point drift is smaller (< 0.1mm/℃), frequency band wider. It may record local and near earthquakes of magnitude greater than five.During the past two years, the inst...
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