4 tính toán thiết kế bộ truyền cấp chậm bánh răng trụ răng nghiêng
Practical approach to signals and systems
... Stability 4. 5 Realization of Discrete Systems 4. 5.1 Decomposition of Higher-order Systems 4. 5.2 Feedback Systems 4. 6 Summary Further Reading Exercises 31 33 33 33 34 42 43 45 45 46 47 48 48 48 53 ... Effect 7 .4 Applications of the Fourier Series 7.5 Summary Further Reading Exercises 123 123 123 125 126 126 126 130 132 133 133 135 135 136 137 138 138 139 140 140 141 142 144 145 145 145 The Discrete-time ... 159 160 161 162 163 1 64 1 64 166 166 167 168 168 170 171 171 1 74 1 74 175 178 178 178 183 183 183 185 190 190 190 191 192 192 193 1 94 1 94 1 94 1 94 195 197 x Contents 9.3 9 .4 9.5 9.6 9.2.13 Frequency-differentiation...
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Fourier Transform Pairs
... 32 48 64 80 Sample number 96 112 128 127 0.1 0.2 0.3 0 .4 0.5 0.2 0.3 0 .4 0.5 0.2 0.3 0 .4 0.5 0.2 0.3 0 .4 0.5 Frequency 15 c Triangle d Sinc squared Amplitude Amplitude 10 -1 -5 16 32 48 64 80 ... -2 -4 -6 -5 Sample number 0 .4 -2 g Magnitude 128 127 0.3 0.5 20 f Rectangular pulse 96 0.5 -6 64 0 .4 -4 -5 32 0.3 e Phase 0 0.2 Frequency 15 -1 0.1 or d Unwrapped Magnitude -2 0.5 20 -6 2 -4 -5 ... -4 -2 -0.5 -1 16 32 48 Sample number 64 63 Frequency Amplitude Phase (radians) 1 0.5 0.5 0.5 Frequency e Magnitude d Impulse at x [4] Amplitude -6 -0.5 0.5 -1 f Phase -2 -4 -2 -0.5 -1 16 32 48 ...
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The Dictionary, Hashtable, and Properties Classes
... characters to their integer equivalent: J o h n = = = = 74 111 1 04 110 54 Understanding Hash Tables Then we would add them up: 74 + 111 + 1 04 + 110 = 399 Thus, we would store John with an index ... character For instance, John would be: 74* 103 + 111*102 + 1 04* 101 + 110*100 = 86250 And the other three names would translate as follows: Cary: 67*103 + 97*102 + 1 14* 101 + 121*100 = 77961 Cody: 67*103 ... 77961 Cody: 67*103 + 111*102 + 100*101 + 121*100 = 79221 Omar: 79*103 + 109*102 + 97*101 + 1 14* 100 = 909 84 There is, however, a slight problem with this latter scheme While the first scheme had too...
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Tài liệu Báo cáo khoa học: The tungsten-containing formate dehydrogenase from Methylobacterium extorquens AM1: Purification and properties docx
... M.A., Keller, M., Aujay, M., Huber, R., Feldman, R.A., Short, J.M., Olsen, G.J & 38 39 40 41 42 43 44 45 46 Swanson, R.V (1998) The complete genome of the hyperthermophilic bacterium Aquifex aeolicus ... Recovery (%) 1 343 74 8.8 1.2 0.37 185 152 94 50 27 0. 14 2.1 10.7 42 73 15 76 300 521 100 82 51 27 15 trifluoride) membrane (Applied Biosystems) The amino acid sequence was determinated on a 47 7-protein/peptide ... ferricyanide (FeCN e420 ¼ 1.02ÆmM)1Æcm)1); 2,6-dichlorophenolindophenol (DCPIP e600 ¼ 16.3ÆmM)1Æcm)1); FMN (e 445 ¼ 12.5ÆmM)1Æcm)1); FAD (e450 ¼ 11.3ÆmM)1Æcm)1); NADP+ (e 340 ¼ 6.2ÆmM)1Æcm)1);...
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Tài liệu Báo cáo khoa học: Identi®cation and properties of type I-signal peptidases of Bacillus amyloliquefaciens doc
... pTA1 040 (I40552); B halodurans SipV_Bha (BAB 047 49), SipW_Bha (BAB05 849 ); B licheniformis Sip_Bli (CAA53272); B caldolyticus Sip_Bca (I40175); B anthracis Sip1_Ban, Sip2_Ban, Sip3_Ban, Sip4_Ban, ... electrophoresis J Bacteriol 1 74, 46 4 47 0 46 Rosenthal, A.L & Lacks, S.A (1977) Nuclease detection in SDSpolyacrylamide gel electrophoresis Anal Biochem 80, 76±90 47 Meyer, S., Melzer, M., Truernit, ... Bacteriol 41 , 343 ± 346 49 Zhang, Y.B., Greenberg, B & Lacks, S.A (1997) Analysis of a Streptococcus pneumoniae gene encoding signal peptidase I and overproduction of the enzyme Gene 1 94, 249 ±255...
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Báo cáo khoa học: Structure analysis of the flavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the flavin reductase family pdf
... conformers of Cys40 and two water molecules (Fig 3D) Zn203, which is 5.1 A from Zn201, is also FEBS Journal 276 (2009) 48 4 048 53 ê 2009 The Authors Journal compilation ê 2009 FEBS 48 45 Structure ... radius of 1 .4 A were used 48 50 The atomic charge parameters for the molecules were taken from the default library The model gures were generated with molscript [43 ] raster3d [43 ,44 ] for Figs ... Methods Enzymol 276, 47 249 4 37 Morris RJ, Perrakis A & Lamzin VS (2003) ARP wARP and automatic interpretation of protein electrondensity maps Methods Enzymol 3 74, 229 244 38 Duncan EM (1993)...
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Báo cáo khóa học: Localization, purification and properties of a tetrathionate hydrolase from Acidithiobacillus caldus pot
... strain KU (DSM 85 84; ATCC 51756) was grown at 45 °C and pH 2.5 in mineral salts solution that contained (in gÆL)1): (NH4)2SO4, 3.0; Na2SO4Æ10H2O, 3.2; KCl, 0.1; K2HPO4, 0.05; MgSO4Æ7H2O, 0.5; Ca(NO3)2, ... Total activity (U) Fold Yield (%) Cell free extract Crude extract SP Sepharosea 176 .4 84 0. 84 0. 14 0. 24 2. 34 24. 7 20.2 2.0 1.7 16.7 100 82 a Protein solution obtained after SP Sepharose was concentrated ... subunits) 1 04 49.6 105 100 103 (2 (1 (2 (2 (2 · · · · · 58) 49 .6) 52) 48 ) 52) Optimal conditions for activity pH Temperature (°C) Localization pI Reference 3.0–3.5 3.5 4. 0 2.5 3.0 40 50 56 65 40 periplasm...
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Báo cáo khoa học: Origin and properties of cytoplasmic and mitochondrial isoforms of taurocyamine kinase pptx
... [33–35] In the Arenicola MiTK sequence, five lysine residues (Lys401, Lys405, Lys407, Lys408, Lys418) and two arginines (Arg395, Arg402) are conserved in the C-terminal region (Fig 1, bold) An internal ... 575–585 44 Novak WR, Wang PF, McLeish MJ, Kenyon GL & Babbitt PC (20 04) Isoleucine 69 and valine 325 form a specificity pocket in human muscle creatine kinase Biochemistry 43 , 13766–137 74 45 Edmiston ... 939– 944 11 Muhlebach SM, Gross M, Wirz T, Wallimann T, Perr¨ iard J-C & Wyss M (19 94) Sequence homology and structure predictions of the creatine kinase isoenzymes Mol Cell Biochem 133 (1 34) , 245 –262...
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Báo cáo khoa học: Purification and properties of a new S-adenosyl-Lmethionine:flavonoid 4¢-O-methyltransferase from carnation (Dianthus caryophyllus L.) pot
... Dianthi Phytochem 41 , 44 7– 45 0 Carotenuto, A., Fattorusso, E., Lanzotti, V., Magno, S., De Feo, V & Cicala, C (1997) The flavonoids of Allium neapolitanum Phytochemistry 44 , 949 –957 10 Stockigt, ... Apigenin 4 -Hydroxyflavanone Genistein XIII XIV XV XVIII XXI Kaempferide Kaempferide triglycoside Acacetin 4 -Methoxyflavanone Biochanin A 95.2 ND 44 .3 31.6 3.8 1.7 ND 3.3 11.0 73.5 56.0 ND 13 .4 2.87 ... (3,5,7–trihydroxy -4 -methoxyflavone) (XIII) (Fig 2), 4 -hydroxyflavanone (XVI), eriodictyol (3¢ ,4 ,5,7-tetrahydroxyflavanone) (XVII) (Fig 3), genistein (4 ,5,7-trihydroxyisoflavone) (XIX), 3¢ ,4 ,7-trihydroxyisoflavone (XX),...
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Báo cáo Y học: Molecular cloning, bacterial expression and properties of Rab31 and Rab32 docx
... (nucleotides 41 277± 41 526) extends in a 5¢ direction to another translation initiation codon at nucleotide 40 473, which is preceded by two in-frame stop codons (at nucleotides 40 458 and 40 461) Both ... GST-Rab31 GST-Rab31Q64L GST-Rab32 GST-Rab32Q85L 35.3 18.3 26.5 11.2 7.0 9.7 25 .4 5.2 0.19 0.55 0.98 0.69 2.8 2.6 2.7 4. 2 (8) (4) (9) (4) 0.7 1.8 1.7 1.1 (6) (4) (8) (4) 0.01 ... with pericentriolar recycling endosomes [42 ,43 ], other studies have found evidence of roles in the constitutive and regulated pathways of exocytosis [41 ,44 ,45 ] Rab11A is found in the trans-Golgi...
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TRANSFER RNA: MOLECULAR STRUCTURE, SEQUENCE,AND PROPERTIES
... 12 :49 -85 17 Sprinzl, M., Cramer, F 1975 Proc Natl ,4cad Sci USA72:3 049 -53 18 Fraser, T H., Rich, A 1975 Proc Natl ,4cad Sci US ,4 72:3 044 -48 19 Kiselev, L L., Favorova, O O 19 74 ,4dr Enzymol 40 : 141 -221 ... Lcnnarz, W J 1970 J Bacteriol 1 04: 1135 ~4 28 Strominger, J L 1970 Harvey Lect 64: 179-213 29 Roberts, R J 1972 Nature NewBiol 237 :44 -46 30 Softer, R L 19 74 ,4dr Enzymol 40 :91- 140 31 Sawyer, R C., Harada, ... CHANGES BIOLOGICAL FUNCTION BIOLOGICAL OF MYSTERIES RNA TRANSFER 838 840 841 841 842 843 845 847 848 " 850 852 INTRODUCTION Research in the field of transfer RNA (tRNA)has undergone...
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Mechanics and Properties of Composed Materials and Structures doc
... University of Porto Porto Portugal ISSN 1869- 843 3 ISBN 978-3- 642 -3 149 6 -4 DOI 10.1007/978-3- 642 -3 149 7-1 ISSN 1869- 844 1 (electronic) ISBN 978-3- 642 -3 149 7-1 (eBook) Springer Heidelberg New York Dordrecht ... þ kty À kb À yz y t kyz þ 2 2ht Q 44 2hb Qb yz 44 Gc hc tc Gc hc bc h2 h2 yz yz kyz þ k ¼0 ÀPc À Pc þ 2Sc À c kty À c kb þ yy;y xy;x yz 4 y 2ht Qt 44 2hb Qb yz 44 3Gc h2 tc 3Gc h2 bc h3 h3 yz c ... ktc À 2 4ht Q55 xz;x 4ht Qt 44 yz;y Gc hc bc Gc hc yz À xz b kbc À k ¼0 4hb Q55 xz;x 4hb Qb yz;y 44 Gc h2 c tc Gc h2 h2 h2 yz c c c c ÀTxz;x À Tyz;y þ 2Mzz À c ktz À c kb þ xz tc ktc þ k 4 z 8ht...
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Báo cáo Y học: Trehalose-phosphate synthase of Mycobacterium tuberculosis Cloning, expression and properties of the recombinant enzyme pdf
... Heparin (lg added) UDP–glucose GDP–glucose UDP–glucose GDP–glucose 10 20 2.7 4. 7 4. 4 3.9 4. 0 4. 6 6.0 4. 4 6.3 5.9 2 .4 11 .4 10.8 10.0 9.2 5.0 7.6 7.7 8.0 7.7 a Enzyme produced in E coli and purified ... Y., Westover, A., Itoh, M., Nagaoka, S., Sasaki, N., Okazaki, Y., Muramatsu, M & 34 35 36 37 38 39 40 41 42 43 44 45 Hayashizaki, Y (1988) Thermostabilization and thermoactivation of thermolabile ... W.E., Procter, D.P & Harrison, J.S (1950) Detection of sugars on paper chromatograms Nature 116, 44 4 44 5 28 Cole, S.T., Brosch, R., Parkhill, J., Garnier, T., Churcher, C., Harris, D., Gordon, S.V.,...
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preparation and properties of magnetic iron oxide nanotubes
... 281(2), 43 2 43 6 Jia, C J., Sun, L D., Yan, Z G., You, L P., Luo, F., Han, X D., et al (2005) Single-crystalline iron oxide nanotubes Angewandte Chemie International Edition, 44 (28), 43 28 43 33 Jiao, ... Materials, 17(11), 3 044 –3 049 Shebanova, O N., & Lazor, P (2003) Raman study of magnetite (Fe3 O4 ): Laserinduced thermal effects and oxidation Journal of Raman Spectroscopy, 34( 11), 845 –852 Shen, X ... 177(11), 42 86 42 92 Wang, T., Wang, Y., Li, F., Xu, C., & Zhou, D (2006) Morphology and magnetic behavior of an Fe3 O4 nanotube array Journal of Physics: Condensed Matter, 18 (47 ), 10 545 –10551...
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Báo cáo khoa học: Effect of mutations in the b5–b7 loop on the structure and properties of human small heat shock protein HSP22 (HspB8, H11) pptx
... 641 – 647 Giese KC, Basha E, Catague BY & Vierling E (2005) Evidence for an essential function of the N terminus of a small heat shock protein in vivo, independent of in 5 642 37 38 39 40 41 42 43 ... shock protein, human alphaB crystallin Biochemistry 44 , 148 54 148 69 18 Theriault JR, Lambert H, Chavez-Zobel AT, Charest G, Lavigne P & Landry J (20 04) Essential role of the NH2-terminal WD ⁄ EPF ... function Biochim Biophys Acta 1 748 , 146 –156 Chowdary TK, Raman B, Ramakrishna T & Rao ChM (2007) Interaction of mammalian Hsp22 with lipid membranes Biochem J 40 1, 43 7 44 5 Carver JA, Rekas A, Thorn...
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Báo cáo khoa học: Trehalose synthase of Mycobacterium smegmatis Purification, cloning, expression, and properties of the enzyme ppt
... Crude (NH4)2SO4 Gel filtration DE-52 Hydroxyapatite Aminohexylagarose Phenylsepharose 1 144 8 40 40 1720 120 42 65 250 31 41 6 18 748 9168 78 04 5.7 7.9 10.9 76 .4 185 1 .4 2.0 13 33 100 49 29 14 12 1.2 ... 393, 537– 544 20 Pan, Y.T., Drake, R.R & Elbein, A.D (1996) Trehalose-P synthase of mycobacteria: Its substrate specificity is affected by polyanions Glycobiology 6, 45 3 46 1 21 Nelson, N (1 944 ) A photometric ... FEBS 20 04 Interconversion of trehalose and maltose (Eur J Biochem 271) 42 63 This ORF was amplified by PCR using the oligonucleotide primers TSFP 5¢-CACCATGGAGGAGC ACACGCAGGGCAGC-3¢ (4 158 182 4 158...
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Báo cáo khoa học: Purification and properties of the glutathione S-transferases from the anoxia-tolerant turtle, Trachemys scripta elegans pdf
... 272 (2005) 3602–36 14 ª 2005 FEBS GST function in anoxia-tolerant turtles 35 36 37 38 39 40 41 42 43 44 45 46 drial glutathione S-transferase exhibiting immunochemical relationship to the a-class ... Physiol 49 , 159–1 74 24 Jackson DC, Wang T, Koldkjaer P & Taylor EW (2001) Lactate sequestration in the carapace of the crayfish Austropotamobius pallipes during exposure in air J Exp Biol 2 04, 941 – 946 ... 1.17 11.6 7.31 55 .4 FEBS Journal 272 (2005) 3602–36 14 ª 2005 FEBS Fold purification 1.00 3.67 36 .4 22.9 1 74 % yield (UÆmg)1 protein) Fold purification % yield 100 86.0 108 103 0. 040 8 0.0335 5.91...
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Báo cáo Y học: Purification and properties of the extracellular lipase, LipA, of Acinetobacter sp. RAG-1 docx
... (LNPS) medium consisting of (per litre): KH2PO4, 3.3 g; Na2HPO4, 2.2 g; Na2SO4, 1.0 g; NH4NO3, 1.0 g; NaCl, 5.0 g; MgSO4, 0.29 g; CaCl2, 0.05 g; FeSO4, mg (pH 7.0) Hexadecane (10 mM) was employed ... (fold) Yield (%) Concentrated supernatantb Mono Q Butyl Sepharose 20.6 6.7 0 .4 7 94 615 178 38.5 91.8 41 2 2 .4 10.7 100 77.5 22 .4 a One unit of enzyme activity catalyzes the production of lmole of pNP ... Microbiol 44 , 165–170 11 Zuckerberg, A., Diver, A., Peeri, Z., Gutnick, D.L & Rosenberg, E (1979) Emulsifier of Arthrobacter RAG-1: chemical and physical properties Appl Environ Microbiol 37, 41 4 42 0...
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