Tài liệu Báo cáo " Preparation and characteristics of LiF:Mg,Cu,Na,Si thermoluminescent material " pptx

... VNU Journal of Science, Mathematics - Physics 23 (2007) 225-231 Preparation and characteristics of LiF:Mg,Cu,Na,Si thermoluminescent material Vu Thi Thai Ha1, Nguyen ... somewhat expand. The dosimetric properties of the powder werestudied. The main dosimetric peak of LiF:Mg,Cu,Na,Si appeared in the range of 227− 247oC and the ratio of the height of the main ... somewhat expand.The dosimetric properties of the powder were studied. In the TL glow curve of LiF:Mg,Cu,Na,Si powder the main dosimetric peak appeared in the range of 227-247oC and the ratio of the...

Tài liệu Báo cáo "Preparation and characterization of nanocomposite TiO2/SnO2 films " pdf

... Introduction TiO2 is one of the most attracted materials in nanoscience and nanotechnology because of having a lot of interesting properties from fundamental and practical point of view [1,2,3]. Although ... photosensitivity and SnO2 conductivity. 2. Experimentals Preparation of TiO2 films: The principle of TiO2 preparation in this work was based on pyrolysis of chloride salts. The starting material ... RD/RL spectra of TiO2 prepared at 400oC impregnated and annealed at 325, 375 and 425oC. 3. Discussion TiO2 belongs to dielectric materials. With a wide band gap of 3.2 eV, at room...

Tài liệu Báo cáo " Estimation and prediction of eutrophication in West Lake" ppt

... Ecosystem of West Lake The ecosystem of West Lake is rather diverse with 232 species of plant, 141 species of phytoplankton, 43 species of zooplankton, 11 species of benthos and about 33 species of ... there is a need of estimation and prediction of eutrophication. One of effective tools for accessing and predicting is the use of mathematical models. 2. Research objects and methods 2.1. ... lake and raising amount of fishes. 1. Introduction Eutrophication is the aging process by which shallow lakes gradually become dry land because of the accumulation of sediment and organic material. ...

Báo cáo "Preparation and characteristics of the In-doped ZnO thin films and the n-ZnO:In/p-Si heterojunctions for optoelectronic switch" potx

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Tài liệu Báo cáo khoa học: "Limitations of Current Grammar Induction Algorithms" pptx

... loops and multiple edges.44consequences: it makes the system vastly more efﬁ-cient in terms of time, at the cost of rising memorydemands, and it models time linearly, in contrast toABL and ... interchangeable part of two sentences. Instead of explicitly comparing eachsentence with all other sentences, it incrementallybuilds up a table of type/expression pairs, and on thebasis of this table ... AlgorithmsBart CramerSchool of Behavioral and Cognitive NeurosciencesUniversity of GroningenGroningen, the Netherlandsbart.cramer@gmail.comAbstractI review a number of grammar inductionalgorithms...

Tài liệu Báo cáo " Study on reuse of heavy metal rich sludge in ceramic pigment and construction material production " docx

... red pigment and cement (white and black cement) at the ratio of 1:1:1 (see table 2). The weight of a cement brick is about 3kg of which the ratio of cement and raw material of 1:2. Cement ... ratio of treated sludge and raw material varied as 1:1; 1:3; 1:5; and 1:10. In the latest, treated sludge was mixed with red pigment and cement (white and black cement) a the ratio of 1:1:1. ... and 20% in case of raw material replacement. The testing results of technical parameters about compressibility, flexibility, size…show all tested products meeting with standard of brick brands...

Tài liệu Báo cáo " Grammatical and semantic features of some adjectives denoting happiness - the feeling of pleasure " pdf

... respect of semantics, “glad” and “pleased” have one of their senses of denoting the feeling of pleasure when something good has happened. “Cheerful” has one of three senses suggesting one of the ... intransitive and mono-transitive verb in the first sense of “give shouts of joy, praise, support and encouragement (to somebody or a team or a cast of performers)”. In the second sense of “make ... people) and “gayness” (n) (denoting the state of being gay). 2.3. “Glad” 2.3.1. Grammatical features and semantics of “Glad” “Glad” has a number of the syntactic functions as head of an adjectival...

Tài liệu Báo cáo khoa học: Modulation of a-synuclein aggregation by dopamine in the presence of MPTP and its metabolite pptx

... presence of 100 lM MPTP and 50 lM dopamine (F), in the presence of 200 lM MPTP and 50 lM dopamine (G), in the presence of 100 lM MPP+ and 50 lM dopamine (H) and in the presence of 200 lM MPP+ and ... solu-tion of ThT and the ﬂuorescence intensity of the solu-tion was measured at 482 nm. Figure 4A shows thekinetics of aggregation of a-synuclein in the presence of 100 lm MPTP and the effect of 50 ... formed are Thioﬂavin T-positive and amyloidogenic.Thus, the effect of dopamine on the nature of aggregates formed in case of a-synuclein alone and in the presence of MPTP ⁄ MPP+is different.AbbreviationsMPP,...

Tài liệu Báo cáo khoa học: Regulation of DNA fragmentation: the role of caspases and phosphorylation doc

... the afﬁnity of 14-3-3 for Bax and Bad and translocation of Bax and Bad to mitochon-dria independently of caspase activation [77,87].Phosphorylation of caspasesPhosphorylation of caspases switches ... activity of an isoform of PP1, PP1a [3].Similarly, activation of caspase-8 and -3 is regulatedthrough their phosphorylation and dephosphorylation.Phosphorylation of caspase-8 at Tyr397 and Tyr465 ... apop-totic signal on and off. Caspase activation is under thedirect control of kinases and phosphatases, and theindirect control of phosphorylation through the regula-tion of other apoptotic...

Tài liệu Báo cáo khoa học: Roles of AP-2 transcription factors in the regulation of cartilage and skeletal development doc

... ARTICLERoles of AP-2 transcription factors in the regulation of cartilage and skeletal developmentAnn-Kathrin Wenke and Anja K. BosserhoffInstitute of Pathology, University of Regensburg, ... treatment of the chick face with RA, and this is accompanied byan increase in apoptosis [73]. The authors of this studyascribe the regulation of outgrowth of limb buds and patterning of the digits ... role of AP-2a and AP-2ein chondrogenesis. Overview of the differen-tiation stages during chondrogenesis and the involvement of transcription factors(henatoxylin and eosin-stained section of...

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