نتایج جستجو برای: rotating withdrawal
تعداد نتایج: 63588 فیلتر نتایج به سال:
We have developed a new numerical code to study the evolution of distorted, rotating black holes. We discuss the numerical methods and gauge conditions we developed to evolve such spacetimes. The code has been put through a series of tests, and we report on (a) results of comparisons with codes designed to evolve non-rotating holes, (b) evolution of Kerr spacetimes for which analytic properties...
this paper concerns the design and analysis, of a ball type continuously variable transmission, (b-cvt). this b-cvt has a simple kinematic structure, and same as a toroidal cvt, transmits power by friction on the contact points between input and output discs, that are connected to each other by balls. after, a brief introduction of our b-cvt structure, the performance and traction efficiency of...
INTRODUCTION Although understudied in the context of AIDS, use of withdrawal (coitus interruptus) with or in place of other prevention methods affects exposure to both pregnancy and human immunodeficiency virus (HIV). AIM We used mixed methods to assess use of withdrawal among 15-24-year-olds in a rural Ugandan setting with considerable HIV prevalence. METHODS We measured withdrawal reporti...
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