نتایج جستجو برای: leudking piret equation
تعداد نتایج: 229771 فیلتر نتایج به سال:
A mathematical modeling of microalgae biomass is an essential step to optimize the biomass and lipid production rate and to reduce the cost of microalgal biodiesel production system. In the present study, kinetic studies were carried out to describe the growth and neutral lipid production of two marine microalgae Chlorella salina and Nannochloropsis oculata under the nitrogen-repleted and -depl...
The Matsumoto-Imai public key scheme was developed to provide very fast signatures. It is based on substitution polynomials over GF( 2 ). This paper shows in two ways that the Matsumoto-Imai public key scheme is very easy to break. In the faster of the two attacks the time to cryptanalyze the scheme is about proportional to the binary length of the public key. This shows that Matsumoto and Imai...
[71 F. J. MacWill iams and N. J. A. Sloane, The Theory of Error-Correcting Codes. New York: North-Holland, 1977. E. R. Berlekamp, Algebraic Coding Theory. New York: McGraw-Hill, 1968. P. Delsarte, “Automorphisms of Abelian codes,” Philips Res. Rep., vol. 25, pp. 389-402, 1970. F. J. MacWill iams, “Binary codes which are ideals in the group algebra of an Abelian group,” Bell Sysr. Tech. J., vol....
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Poly(3-hydroxybutyrate) (PHB) is a biodegradable polymer that can be synthesized through bacterial fermentation. In this study, Cupriavidus necator H16 is used to synthesize PHB by using Jatropha oil as its sole carbon source. Different variables mainly jatropha oil and urea concentrations, and agitation rate were investigated to determine the optimum condition for microbial fermentation in bat...
اخیرا ثابت شده است که قارچ fusarium oxysporum توانایی دارد تا نانوذرات فلزی را از طریق ترشح پروتئینهای خاص به داخل محیط رشد خود، تولید کند. بنابراین، به منظور درک بیشتر چگونگی رشد و تولید پروتئین و همچنین فرایند بیوسنتز نانوذرات توسط این میکروارگانیسم، کشت آن انجام و سینتیک رشد سلول، مصرف پیش ماده و تولید پروتئین، به ترتیب با استفاده از معادلات لگاریتمی و luedeking-piret مدلسازی شد. همچنین، ان...

 Red beets in Mexico are used the colorants industry, but their juice bagasse (RBB) can be carbohydrates for ethanol production. The present study aims to pretreatment of red beet using acid (H2SO4) and alkali (NaOH) improve availability sugars. Also, describe quantitatively hydrolysates microbial growth, substrate consumption, production with simulation data kinetics logistic, Pirt, Lued...
abstract in this thesis at first we comput the determinant of hankel matrix with enteries a_k (x)=?_(m=0)^k??((2k+2-m)¦(k-m)) x^m ? by using a new operator, ? and by writing and solving differential equation of order two at points x=2 and x=-2 . also we show that this determinant under k-binomial transformation is invariant.
A typical communication system consists of a channel code to transmit signals reliably over a noisy channel. In general the channel code is a set of codewords which are used to carry information over the channel. This thesis deals with Elias upper bound on the normalized rate for Euclidean space codes and on codes which are close to the generalized Singleton bound, like MaximumDistance Separabl...
دستگاه معادلات خطی زیر را در نظر بگیرید egin{equation*} ax=b,qquad ain{mathbb{c}^{n imes{n}}},quad x,bin{mathbb{c}^{n}} end{equation*} که در آن $a$ یک ماتریس غیرهرمیتی با بعد بزرگ است. در این پایان${}$نامه یک الگوریتم هیبریدی را برای حل این دستگاه بررسی می${}$کنیم. این الگوریتم از روش $ m{gmres}$ مبتنی بر زیرفضای کرایلوف برای تولید یک تقریب جواب استفاده می${}$کند و برای بهبود همگر...
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