نتایج جستجو برای: wwer 1000 reactor
تعداد نتایج: 99500 فیلتر نتایج به سال:
Dissolution of UO2, U3O8, and solid solutions of actinides in UO2 in subacid aqueous solutions (pH 0.9-1.4) of Fe(III) nitrate was studied. Complete dissolution of the oxides is attained at a molar ratio of ferric nitrate to uranium of 1.6. During this process actinides pass into the solution in the form of U(VI), Np(V), Pu(III), and Am(III). In the solutions obtained U(VI) is stable both at ro...
میدان نوترونی قلب راکتور باعث تولید رادیوایزوتوپ هایی در خنک کننده جاری در مدار اولیه یک نیروگاه هسته ای می شودکه بعضاً تابش های پر انرژی وخطرناک از خود ساطع می کنند. انرژی تابش وهمچنین مقدار اکتیوته این رادیوایزوتوپ ها به عنوان چشمه های پرتوزای موجود در خنک کننده جاری در مدار اولیه چنان است که از دیدگاه حفاظت در برابر اشعه حایز اهمیت می باشد. ازاین رو میبایست تدابیری جهت حفظ و نگهداری کارکنان ش...
The paper addresses a new evaluation measure of automatic speech recognition (ASR) and a decoding strategy oriented for speech-based information retrieval (IR). Although word error rate (WER), which treats all words in a uniform manner, has been widely used as an evaluation measure of ASR, significance of words are different in speech understanding or IR. In this paper, we define a new ASR eval...
The Spent Fuel Assemblies (SFAs) of WWER-1000 reactors are planned to be transported by special containers which are supposed to be designed in a manner to stand against vibrations and impacts in order to protect the spent fuel from any possible damage. The vibration opposition of these containers shall be far beyond the critical resonance, because the resonances about the natural frequency of ...
The article uses the adiabatic modelling method for slow transient processes in nuclear reactors. essence of this is that spatial component neutron flux density determined by solution static equations transport. And time dependence reduced to change parameters (neutron interaction cross-section) transport accordingly 135Xe, 149Sm concentrations.
 In work, we propose use a unidimensional (a...
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