Results 11 to 20 of about 1,672,624 (210)
Boron was implemented to promote the catalytic behavior of H-ZSM-5 zeolite in methanol to propylene (MTP) process. A series of crystalline borosilicates with different boron contents were synthesized using a seed-assisted hydrothermal technique and ...
Hossein Roohollahi +3 more
doaj +1 more source
Strong rate of convergence for the Euler-Maruyama approximation of SDEs with H\"older continuous drift coefficient [PDF]
In this paper, we consider a numerical approximation of the stochastic differential equation (SDE) $$X_{t}=x_{0}+ \int_{0}^{t} b(s, X_{s}) \mathrm{d}s + L_{t},~x_{0} \in \mathbb{R}^{d},~t \in [0,T],$$ where the drift coefficient $b:[0,T] \times \mathbb{R}
Pamen, Olivier Menoukeu, Taguchi, Dai
core +3 more sources
DISPERSION IN A TWO-PHASE FLOW SULZER COLUMN
An experimental study based on the pulse-response technique was performed in a Sulzer packed-bed column in order to establish the residence time distribution for four different liquid flow rates, namely 200, 400, 600 and 800 L/h and five different gas ...
Eugenia Teodora IACOB TUDOSE
doaj +1 more source
The Baker-Akhiezer function and factorization of the Chebotarev-Khrapkov matrix [PDF]
A new technique is proposed for the solution of the Riemann-Hilbert problem with the Chebotarev-Khrapkov matrix coefficient $G(t)=\alpha_1(t)I+\alpha_2(t)Q(t)$, $\alpha_1(t), \alpha_2(t)\in H(L)$, $Q(t)$ is a $2\times 2$ zero-trace polynomial matrix, and
Antipov, Yuri A.
core +1 more source
The effect of aging processes on tribo-metallurgy properties of al based ternary alloys product by P/M technique [PDF]
In this study, Al matrix composites consisting of different amounts of Zn, Cu, and Mg were produced using the powder metallurgy technique. In the alloying, powders were ball milled for 120 min via mechanical alloying. After alloying process, the
Kaplan Yavuz +4 more
doaj +1 more source
New and simple spectrophotometric method was applied for amoxicillin determination by oxidative coupling with an organic reagent 1-(4-aminophenyl)-3-(5-(4-nitrophenyl)-furan-2-yl)-yl)-prop-2-en-1-one (H) to form an orange colored dye with λmax of 490 nm.
Helen Abd Alhassan Mahmood +2 more
doaj +1 more source
QUANTITATIVE MONITORING OF CEFRADINE IN HUMAN URINE USING A LUMINOL/SULFOBUTYLETHER-beta-CYCLODEXTRIN CHEMILUMINESCENCE SYSTEM [PDF]
In this paper, a sensitive, rapid, and simple flow-injection chemiluminescence (FI-CL) technique is described for determining cefradine in human urine and capsule samples at the picogram level.
Shen, M. X., Song, Zh. H., Tan, X. J.
core +1 more source
Based on the weighted and shifted Grünwald formula, a fully discrete finite element scheme is derived for the variable coefficient time-fractional subdiffusion equation.
Lin He, Juncheng Lv
doaj +1 more source
In the present study, oxygen consumption of two sturgeon species, beluga (Huso huso), sterlet (Acipenser ruthenus), and their hybrid reared in a recirculating aquaculture system were compared over body intervals from 54–107 g to determine the ...
Mirela Crețu +3 more
doaj +1 more source
Dielectric Properties Determination of a Stratified Medium [PDF]
The method of detection of variation in dielectric properties of a material covered with another material, which requires nondestructive measurement, has numerous applications and the accurate measurement system is desirable.
Krairiksh, M., Yoiyod, P.
core +2 more sources

