Materials Literature
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Abstract In order to purify phosphoric acid hemihydrate (H3PO4·0.5H2O) crystal further, the effects of sweating time and sweating temperature on purification are investigated in a dry‐sweating process. Experimental results indicate the content of Mg, As, Sb and Pb in the H3PO4·0.5H2O crystal decreases with increasing…
The complexity of cancer chemotherapy requires pharmacists be familiar with the complicated regimens and highly toxic agents used. This column reviews various issues related to preparation, dispensing, and administration of antineoplastic therapy, and the agents, both commercially available and investigational, used t…
The thermionic emission properties of diamond micropowders were investigated. The thermionic emission current was observed at a low temperature of 702K, and a work function of approximately 1.97eV was obtained. Band bending in diamond micropowders induced by an applied electric field had a considerable influence on de…
There are a great number of optical devices based on the surface plasmon resonance (SPR) [1]–[3]. One of the important applications of these devices is to construct a polarizer, which is used as a sensing device [1], [3] and a polarization splitter [2]. Recently, the high transmission of the transverse magnetic (TM) w…
In modern automobiles, the ratio of the electric motors used has been increasing every year. Therefore, it is important to produce motors with high quality in automobile manufacturing [1]-[2]. The quality of the motors depends on insulation characteristics of the stator coil of motors and the strict insulation test ha…
Los polioles son moléculas oligoméricas, comúnmente utilizadas para la síntesis de polímeros de gran interés industrial, que son obtenidas a partir de derivados del petróleo, por lo que es necesaria la búsqueda de nuevas materias primas renovables para su producción. El aceite de algodón, contiene un porcentaje alto d…
Photonic crystal is a periodic structure consisting of highly contrast dielectrics, in which the electromagnetic wave cannot transmit in a specific wavelength range. It is therefore known that, if localized defects are introduced in the photonic crystal, the electromagnetic fields are strongly confined around the defe…
Objective: To develop an experimental acute suppurative otitis media model and compare the responses of rats to penicillin and combinations of leukotriene antagonist with respect to histopathological observations conducted at both early and late phases. Methods: A total of eighty-three ears from fifty six Wistar rats…
The conductance confined at the interface of complex oxide heterostructures provides new opportunities to explore nanoelectronic as well as nanoionic devices. Herein we show that metallic interfaces can be realized in SrTiO3-based heterostructures with various insulating overlayers of amorphous LaAlO3, SrTiO3 and yttr…
This paper introduces a method to simplify a non linear problem in order to use linear finite element analysis. This approach improves calculation time by two orders of magnitude. It is then possible to optimize the geometry of the components even without supercomputers. In this paper the method is applied to a very c…
International audience
International audience
세포치료제 또는 조직공학제제에 사용되는 동물 유래 콜라겐은 원료물질 유래 바이러스가 오염될 가능성이 있기 때문에 생산과정 중 바이러스가 오염되지 않도록 하여야 한다. 이를 위해 콜라겐 생산공정은 오염될 가능성이 있는 바이러스들을 불활화 하거나 제거하는 과정을 포함하여야 하며, 바이러스 불활화/제거 능력은 제품의 안전성을 보증하는 중요한 지표로 사용된다. 본 연구의 목적은 소 가죽을 원료로 하여 type I 콜라겐을 생산하는 공정에서 소 유래 바이러스들의 불활화/제거 효능을 평가하는 데 있다. 이를 위해 70% 에탄올 처리 공정과 펩신 처리 공정(pH 2)에서 바이러…
Aluminum and metal oxide react with each other in a thermite reaction to produce a large amount of heat. In this paper various thermite compositions were synthesized and the ignition temperatures of these thermites were measured using Differential Thermal Analysis/Thermo Gravimetric Analysis. First is the discussion o…
The purpose of this study was to prepare and evaluate certain Timolol maleate (TM) polymeric formulations including viscous solutions, hydrogels and in-situ gels aiming to improve its ocular bioavailability and decrease its side effects. In this study, Chitosan (CS), hydroxyehtylcellulose (HEC), hydroxypropylmethylcel…
Resumo: Embalagens plasticas elaboradas a partir de materiais de origem petroquimica sao um problema devido ao crescente numero de descartes sem fins apropriados, e ao longo tempo de degradacao desses materiais no meio ambiente. Essa questao ambiental tem impulsionado a busca de materias-primas provenientes de recurso…
Stress corrosion cracking (SCC) in light water reactors (LWRs) has been a persistent form of degradation in the nuclear industry. Examples of SCC can be found for a range of materials in boiling and pressurized water reactor environments, including carbon steels, stainless steels, and nickel-base stainless alloys. The…
A girdle is a body-shaping article of clothing. The garment pressure of the girdle is considered an indispensable factor. The purpose of this study was to identify changes in body size and distribution of garment pressure after donning the girdle. The changes of body size and garment pressure were analyzed by body typ…
The controlled release of drugs represents an interesting procedure applied in the minimization of side effects and in the therapeutic action of pharmacological molecules. With the aim of measuring the kinetics of release of aspirin dispersed in composite of an enteric polymer (Eudragit L-100) in the presence/absence…
The electrooxidation of bulk CO and H 2 in acidic media has been investigated on a polyoxometalate-promoted Pt-black microelectrode. Voltammetric and chronoamperometric measurements exhibit that introducing polyoxometalate enables the steady-state CO electrooxidation to proceed in the hydrogen region. Further H 2 elec…