نتایج جستجو برای: core drilling
تعداد نتایج: 226887 فیلتر نتایج به سال:
از جمله معروفترین آنتی بیوتیکهای ضدسرطان، می توان به آدریامایسین دانومایسین و اکتینومایسین d اشاره کرد. این داروها در معالجه سرطان از طریق شیمی درمانی مودر استفاده قرار می گیرند. هدف اصلی این داروها در سلول، مولکول dna است . از آنجا که مولکول dna در داخل هسته سلول به صورت برهنه و آزاد نیست بلکه در اتصال با ترکیبات دیگری مثل پروتئین های هسیتونی و غیرهیستونی می باشد، میان کنش این داروها با پروتئی...
By increasing the demolition of old concrete structures and the interest of civil industries to consume cheaper materials, using Recycled Concrete Aggregate (RCA) can cause environmental protection and decrease the construction costs. On the other hand, the high potential of Recycled Aggregate Concrete (RAC) in concrete industry was established by extensive experimental researches were performe...
چکیده ندارد.
This paper presents a design of a versatile tracked inspection mobile robot with an adjustable drive positioning system equipped with a drilling module for space and terrestrial applications. The robot is intended to operate on open terrain and in enclosed space. Track position adaptation mechanism enables the robot to work on uneven surfaces. A concept of utilization of a lightweight core dril...
Figure 1. Closed symbols: 87Sr/86Sr data for sequence 10 (triangles) and sequence 11 (circles) from core CRP-2A with ages based on tables of McArthur et al. (2001), and age errors assuming no error in the tables. Open symbols: 87Sr/86Sr data from Deep Sea Drilling Program Site 522 (circles: Reilly et al., 2002), Ocean Drilling Program (ODP) Site 747 (triangles: Oslick et al., 1994), and ODP Sit...
The Great Lakes of East Africa are one of the most exciting targets for obtaining long core records on Earth. Since their early exploration by 19 century naturalists their unique geological and biological attributes have been objects of curiosity for scientists from a wide range of disciplines. Since early in the 20 century it has also been evident that an extremely long and detailed history of...
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