Báo cáo "Design of phase-coded transmitter and high sensitive receiver of radar system " doc
Báo cáo "Design of phase-coded transmitter and high sensitive receiver of radar system " doc
... VNU Journal of Science, Mathematics - Physics 25 (2009) 99-105 99 Design of phase-coded transmitter and high sensitive receiver of radar system Do Trung Kien1,*, Bach ... ranging and recognition of variety of targets. Because of great diversity of applications in military and civil, the designing of radar system is usually based on purpose. For radar systems ... diagram of transmitter and receiver of a radar system is shown in the Fig.1. The code used in the transmitter is the 13 bit Barker code {+++++ ++-+-+}. Fig. 1. Block diagram of typical radar system. ...
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Tài liệu Báo cáo khoa học: Guanidinium chloride- and urea-induced unfolding of FprA, a mycobacterium NADPH-ferredoxin reductase Stabilization of an apo-protein by GdmCl docx
... of FprA with higher concentrations of GdmClresults in significant loss of secondary structure of FprAdue to unfolding of protein under these conditions.Changes in the molecular properties of ... out in the presence of excess FAD. Higherconcentrations of GdmCl induce irreversible unfolding of FprA.The exact molecular mechanism ⁄ s of the denaturingaction of urea and GdmCl has not yet ... confor-mation. A similar compaction of native conformation of FprA has been reported for the treatment of proteinwith NaCl and CaCl2[9]. One of the characteristicproperties of the NaCl- or CaCl2-stabilized...
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Tài liệu Báo cáo khoa học: Dimer asymmetry and the catalytic cycle of alkaline phosphatase from Escherichia coli doc
... thecurve-fitting procedure and describing the affinity of thesubunits for the substrate (KS1 and KS2)andforPi(KI1 and KI2), presented in Table 1 and Table 2, respectively, areindependent of the Zn2+ion ... form of a dianion [9],however, the slow dissociation of Pi,andtheslowphosphorylation of Ser102 by Pi, are both in accordancewith Pibinding in form of a trianion.The crystal structure of ... Zn2+4APase, incontrast to the stepwise process of Zn2+2APase activation,demanding a significantly higher concentration of Mg2+(2.1 mM). In the presence of a higher Mg2+concentration,the Zn2+2APase...
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Tài liệu Báo cáo Y học: Ligand interactions and protein conformational changes of phosphopyridoxyl-labeled Escherichia coli phosphoenol pyruvate carboxykinase determined by fluorescence spectroscopy pdf
... acquisi-tion of detailed and reliable information on the binding of several ligands and on the role of Mn2+ and Mg2+on theirbinding. The comparison between acrylamide quenchingstudies and modeled ... specific site of the enzyme. A range of 23–50 lMhas beenreported for the dissociation constant of Mn2+–proteincomplex of ATP- and GTP-dependent PEP carboxykinases[26,27]. The high value of Kdfor ... enzyme, also showed a high binding affinity of PEP in the presence of Mn2+[28]. The high affinity of PEP in the presence of Mn2+suggests aspecific interaction between these two ligands in the enzymeactive...
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Báo cáo khoa học: Substrate preference and phosphatidylinositol monophosphate inhibition of the catalytic domain of the Per-Arnt-Sim domain kinase PASKIN ppt
... against S6 and the GST-tag. (C) Immunoblot analysis of thephosphorylation status of p70S6K and S6 inPaskin+ ⁄ + and Paskin) ⁄ )MEFs. (D) Immu-noblot analysis of the phosphorylation status of p70S6K ... addressesDivision of Digestive and Liver Diseases,Department of Medicine, ColumbiaUniversity, New York, NY, USAàInstitute of Cell Biology, ETH Zu¨rich,Switzerland§Biogen-Dompe´, Zug, Switzerland(Received ... Ser ⁄ Thr kinase (PSK)1 and PSK2, the bud-ding yeast homologues of PASKIN, phosphorylatethree translation factors and two enzymes involved inthe regulation of glycogen and trehalose synthesis,thereby...
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Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx
... at any one of four hydroxyl groups, located at C-4, -7, -8 and -9. One suchmodification, the formation of O-acetyl esters, is found innearly all higher animals and certain bacteria and has beenfound ... matched resection margin and cancer tissue atvarious stages of colorectal cancer development, a systematicsurvey of OAE and OAT activities along with the relativelevel of O-acetylated sialic ... bovine submandibular gland mucins as described byReuter and Schauer [23].4Preparation of lysosomal, microsomal and cytosolicfractions from human colonic mucosaThe lysosomes, microsomes and cytosol...
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Báo cáo khoa học: Halogenated benzimidazoles and benzotriazoles as inhibitors of the NTPase/helicase activities of hepatitis C and related viruses ppt
... theinhibitory properties of TBBT, and a number of relatedbenzotriazoles and benzimidazoles, at the NTPase/helicasesites of HCV and the related viruses Japanese encephalitisvirus (JEV) and WNV, as well ... (IC50 of 1.5–5.5 lM) of the helicase activities of HCV, WNV and Suv3(D1–159), but not JEV.The tetrachlorobenzotriazole TCBT is only a weakinhibitor of the HCV enzyme, and a moderate inhibitor of the ... lM, 235 lM and 4.2 lMfor WNV, HCV, JEV and Suv3(D1–159) NTPase/helicases, respectively, and 4.7 pmol of DNA substrate(concentration of nucleotide base) as described in Materials and methods....
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Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx
... categories and 71674 single-labeled documents (entries). It is randomly split by a proportion of 9:1 into a train-ing set with 64533 documents and a test set with 7141 documents. Every document ... proportion of 4:1 into a training set with 2800 documents and a test set with 720 documents. Documents in this data collection are from various sources in-cluding news websites, and some documents ... proportion of 2:1 into a training set and a test set. Every document has the full-text and has been entirely word-segmented7 by hand (which could be regarded as a golden standard of segmentation)....
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Báo cáo Y học: Spectroscopic characterization and ligand-binding properties of chlorite dismutase from the chlorate respiring bacterial strain GR-1 ppt
... from the spectroscopic and ligand-bindingstudies of chlorite dismutase suggest binding of chlorite tothe five-co-ordinate high- spin ferric form of the enzyme asthe first step of the catalytic mechanism. ... nitrite and hydrogen peroxide have beenfound to bind to ferric chlorite dismutase. EPR spectroscopy of the hydrogen peroxide adduct shows the loss of both high- spin and low-spin ferric signals and ... wepresent the EPR spectroscopic and redox properties of GR-1 chlorite dismutase. Furthermore, we investigated thebinding of hydroxide and imidazole to the ferric enzyme and of NO to the ferrous enzyme...
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Báo cáo khoa học: "LEXICON-GRAMMAR AND THE SYNTACTIC ANALYSIS OF FRENCH" pot
... of French verbs have been limited in terms of the size of sentences, that is, by restricting the type of complements to object complements. We considered 3 main types of objects: direct, and ... simple sentence with a description of the corresponding distributional and transformational properties, The systematic study of French has led to an organization of its lexicon-grammar based on ... The properties systematically studied for each verb are the standard ones: 1 E.R.A. 247 of the C.N.R.S. afiliated to the Universities Paris 7 and Paris Viii. 2 Publication of the lexicon-grammar...
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Từ khóa: dot product of a vector and a scalar which of the following can be computedfind the standard form of the equation of the parabola and determine the coordinates of the focusatlas of the oral and maxillofacial surgery clinics of north america pdfatlas of the oral and maxillofacial surgery clinics of north america free downloadbáo cáo của tạp chí department of mathematicbáo cáo của tạp chí vietnam journal of mathematicsBáo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Chuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)TÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ