a nghch lu in mt l b bin i chiu ra xoay chiu vi in ỏp v tn s u ra cú th thay i cung cp cho cỏc ti xoay chiu
Đề kiểm tra học kỳ I môn Hóa học lớp 9 trường THCS Bùi Hữu Diên năm 2011 - 2012
Ngày tải lên :
05/01/2016, 14:07
... 5) Na 2SO4 +BaCl2 2NaCl+BaSO4 0,5 đ 6) Dpnc 0,5 đ 2NaCl 2Na+Cl2 C u (1đ): Nhận biết chất cho 0,25 đ Cho quỳ tím v o nhận NaOH chuyển xanh; H2SO4 chuyển đỏ AgNO3 BaCl2 không chuyển ... Đáp án – bi u i m A < /b> Phần trắc nghiệm (3 i m): M i đáp án cho 0.5 đ C u C u C u C u D A < /b> C B B C u B C u D Phần tự lu< /b> n (7 i m): C u (3đ): M i phương trình hoá học cho 0,5 đ Phương trình ... chuyển Cho H2SO4 v o dung dịch tạo kết t a < /b> trắng H2SO4 Chất l< /b> i AgNO3 C u (3đ): Đáp án Bi u i m S mol khí l< /b> : nkhi 8,96 0, 4(mol ) 22, 4 0, 05(mol ) 80 t0 2Cu O2 2CuO nCuO 0,25đ...
- 3
- 233
- 0
Chương 4 QU N TR CHI N LƯ CPhân tích ngu n l cn ib doanh nghi pTi n sĩ Nguy n Văn S.nM c tiêu nghiên c u1. Phân tích các y u t ngu n l c n i b và tác ñ ng c a chúng ñ n chu i giá tr . 2. Tìm hi u cách th c ki m soát ngu n l c n i b c a doanh nghi p pot
Ngày tải lên :
06/03/2014, 16:20
... hu L < /b> Thuê trung gian marketing Thuê logistics ñ u hà Thuê i u h ành s n xu t Thuê d ch v mua hàng hà Thuê logistics ñ u v o Các ho t ñ ng b tr Các ho t ñ ng b tr Thuê s h t ng 4-32 16 L< /b> doanh ... v 4-31 Các y u t có th thuê ñ b sung ngu n l < /b> c n i b L < /b> L Thuê b máy qu n l< /b> , ñào t o ñà hu nh ii n n n ên ên b bii Thuê mua t i chính, licensing tà chí tt Các ho t ñ ng chí t bi ên n D ch v in < /b> ... a < /b> công ty Qua ñó, ñánh giá l < /b> c c nh tranh c a < /b> công ty m nh hay y u, ñang v th so v i ñ i th c nh tranh ngành ? 4-36 18 Ma tr n ñánh giá y u t b n (IFE - Internal Factor Evaluation Matrix) c a...
- 23
- 510
- 0
Tài liệu Báo cáo khoa học: Proteolysis of Pseudomonas exotoxin A within hepatic endosomes by cathepsins B and D produces fragments displaying in vitro ADP-ribosylating and apoptotic effects doc
Ngày tải lên :
18/02/2014, 04:20
... in < /b> vivo in < /b> the soluble cytosolic fraction after toxin administration and in < /b> vitro in < /b> the extraendosomal medium during a < /b> Proteolysis of ETA in < /b> rat hepatic endosomes cell-free translocation assay ... caspase-8 and caspase-9 activity was analyzed with a < /b> fluorometric assay kit (BioVision, Mountain View, CA, USA) with the respective DEVD-AFC, IETD-AFC and LEHD-AFC substrates Nitrocellulose membranes ... that the endosomal ETA-degrading activity was partially inhibited by the aspartic acid protease inhibitor pepstatin -A < /b> (PA), the cysteine protease inhibitor E64, and the metalloprotease inhibitor...
- 15
- 588
- 0
Tài liệu Báo cáo khoa học: A second novel dye-linked L-proline dehydrogenase complex is present in the hyperthermophilic archaeon Pyrococcus horikoshii OT-3 pptx
Ngày tải lên :
20/02/2014, 01:20
... separate activity bands with P horikoshii and T peptonophilus; one band with T profundus, P furiosus and P abyssi; and no activity bands with T litoralis (data not shown) These results suggest ... pET1 1a,< /b> and were then able to successfully express it and then isolate it using the steps summarized in < /b> Table E coli strain BL21 CodonPlus RIL (DE3) cells transformed with the expression plasmid ... complex Then using a < /b> separate expression system for each subunit gene, we found that FAD binds to the b1 subunit (Fig 5B) , which suggests that the ADP-binding motif in < /b> the b1 subunit mediates FAD...
- 11
- 549
- 0
Báo cáo khoa học: E2A participates in a fine control of pre-mature B-cell apoptosis mediated by B-cell receptor signaling via transcriptional regulation of survivin, IAP2 and caspase-8 genes pot
Ngày tải lên :
16/03/2014, 04:20
... suppression of activities of caspase-3, caspase-8 and caspase-9, and alterations in < /b> the protein levels of survivin, IAP2 and ICAD (and probably FLIP) (Fig 4A,< /b> B) Finally, in < /b> E 2A)< /b> /), the slightly suppressed ... cell death in < /b> E 2A)< /b> /) is suppressed by collaboration of both BCR signaling and E 2A < /b> depletion, mainly via moderate changes in < /b> amounts of the inhibitors survivin, IAP2 and ICAD (and probably FLIP) ... the time courses of alterations in < /b> the protein and mRNA levels of survivin were virtually similar, and the gradual reductions in < /b> protein levels of IAP2 plus ICAD compared with acute decreases...
- 11
- 349
- 0
Báo cáo khoa học: Role of active-site residues of dispersin B, a biofilm-releasing b-hexosaminidase from a periodontal pathogen, in substrate hydrolysis pptx
Ngày tải lên :
16/03/2014, 06:20
... catalysis Interestingly, a < /b> substrate-assisted mechanism is operative in < /b> other sequentially dissimilar but functionally similar enzymes such as family 56 hyaluronidase (EC 3.2.1.35) and family ... (1996) The intercellular adhesin involved in < /b> biolm accumulation of Staphylococcus epidermidis is a < /b> linear beta-1,6-linked glucosaminoglycan: purication and structural analysis J Bacteriol 178, ... b- hexosaminidases, participates in < /b> cleavage of the glycosidic bond and formation of the intermediate by assisting the acetamido group during catalysis The conclusion that DspB utilizes a < /b> substrate-assisted...
- 13
- 311
- 0
Báo cáo khoa học: A structured RNA in hepatitis B virus post-transcriptional regulatory element represses alternative splicing in a sequence-independent and position-dependent manner pot
Ngày tải lên :
28/03/2014, 23:20
... of the newly identified ISSs are S- AS ISSs, suggesting that the splicing regulatory mechanism associated with the sequence-independent S- AS repression is general in < /b> maintaining intact HBV transcripts ... indicating that PRE-ISS activates an inhibitory mechanism outcompeting the exon inclusion mechanism PRE-ISS folds into a < /b> stable double-hairpin structure in < /b> vitro, which is similar to that predicted ... doublehairpin secondary structure, with the silencing function strongly associated with this double-hairpin structure The ISS function is also position dependent, suggesting a < /b> possible role in...
- 14
- 379
- 0
Báo cáo khoa học: Deviation of the neurosporaxanthin pathway towards b-carotene biosynthesis in Fusarium fujikuroi by a point mutation in the phytoene desaturase gene ppt
Ngày tải lên :
30/03/2014, 01:20
... yield increasingly desaturated molecules absorbing visible light Desaturation steps are usually followed by cyclization reactions catalysed by carotene cyclases The generated end-rings may be ... desaturating activity, no phytofluene was accumulated Interestingly, the SF73 desaturase represents a < /b> truncated CarB lacking the C-terminus, which includes the presumed substrate-binding domain ... from spontaneous plasmid loss by homologous recombination (Fig 4C) Transfer of individual colonies to selective medium showed variable frequencies of hygromycin sensitive strains, usually > 1%...
- 16
- 440
- 0
Báo cáo Y học: Barley a-amylase Met53 situated at the high-affinity subsite )2 belongs to a substrate binding motif in the bfia loop 2 of the catalytic (b/a)8-barrel and is critical for activity and substrate specificity pot
Ngày tải lên :
31/03/2014, 08:20
... Escherichia coli Bacillus amyloliquefaciens Bacillus licheniformis Paenibacillus polymyxa Escherichia coli Pseudomonas saccharophila Bacillus sp (strain 707) Pseudomonas sp Bacillus stearothermophilus ... (AMY1) Barley (AMY2) Rice ( 2A)< /b> Maize Wheat (AMY3) Black gram Hog Bacillus subtilis Aspergillus oryzae Saccharomycopsis buligera Bacillus stearothermophilus Bacillus acidopullulyticus Escherichia ... Oligo-1,6-glucosidase a-< /b> Glucosidase Pullulanase Trehalose synthase Isoamylase CGTase c Sucrose phosphorylase Dextran sucrase d Glucosyltransferase d Alternansucrase d Amylosucrase 4-Glucanotransferase Amylomaltase...
- 14
- 557
- 0
Economic and social development towards a sustainable direction in Van Lam Embroidery village (Ninh Hai, Hoa Lu, Ninh Binh)
Ngày tải lên :
20/04/2014, 17:13
... Traditional trade villages specializing in < /b> producing handmade artistic items Traditional trade villages specializing in < /b> producing goods for production and daily life - Traditional trade villages ... suit rural customs” Conventions are the specific rules of the local laws ensuring the sustainability and consistency in < /b> all activities of the villages On that basis, industry guilds, associations, ... experience in < /b> history on aspects of administration, civil institution, and village institution At the same time, it provides researching material source of rural political and social institutions up...
- 28
- 433
- 0
Báo cáo hóa học: " “Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression” pptx
Ngày tải lên :
18/06/2014, 16:20
... expression in < /b> areas of interstitial fibrosis and vascular remodelling (black arrows in < /b> A,< /b> white arrows in < /b> B) SERPINE1 positive cells were activated fibroblasts, endothelial cells and smooth muscle ... tissues was predominantly demonstrable in < /b> areas of interstitial fibrosis and vascular remodeling Activated fibroblasts and smooth muscle cells were labeled Glomerula and atrophic tubuli remodeled by ... smooth muscle cells of smaller vessels By contrast, kidney allografts showed strong SERPINE1 labeling predominantly in < /b> activated fibroblasts and smooth muscle cells in < /b> areas of fibrotic and vascular...
- 14
- 279
- 0
Báo cáo sinh học: "Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression" pptx
Ngày tải lên :
18/06/2014, 19:20
... l < /b> ro l < /b> Relative mRNA expression level SERPINE1 mRNA level in < /b> fibroblasts - Hypoxia Figure SERPINE1 mRNA level in < /b> fibroblasts under hypoxia (Figure 6) Transfection of miRNA-44 9a/< /b> b inhibitors additionally ... Note Katharina Theophile, the 2nd author in < /b> the author list for the original article, is omitted from the authorship list on this correction article as the remaining authors have not been able to ... • Immediate publication on acceptance • Inclusion in < /b> PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit...
- 5
- 222
- 0
Báo cáo hóa học: " Homologous recombination is unlikely to play a major role in influenza B virus evolution" doc
Ngày tải lên :
20/06/2014, 01:20
... conclusively demonstrate homologous recombination in < /b> influenza B viruses Recombinant influenza virus must either be plaque purified or multiple clones must be isolated and sequenced from the same ... that recombinant sequences form a < /b> distinct lineage circulated among multiple identified individuals [22] Conclusion To sum up, our analysis showed that homologous recombination in < /b> influenza B ... viruses was very rare or absent and could not confer a < /b> substantial fitness advantage Therefore, we conclude that homologous recombination is unlikely to play a < /b> major role in < /b> influenza B virus...
- 3
- 282
- 0
báo cáo hóa học:" Hypoxia-induced down-regulation of microRNA449a/b impairs control over targeted SERPINE1 (PAI-1) mRNA - a mechanism involved in SERPINE1 (PAI-1) overexpression" pdf
Ngày tải lên :
20/06/2014, 03:20
... l < /b> ro l < /b> Relative mRNA expression level SERPINE1 mRNA level in < /b> fibroblasts - Hypoxia Figure SERPINE1 mRNA level in < /b> fibroblasts under hypoxia (Figure 6) Transfection of miRNA-44 9a/< /b> b inhibitors additionally ... Note Katharina Theophile, the 2nd author in < /b> the author list for the original article, is omitted from the authorship list on this correction article as the remaining authors have not been able to ... • Immediate publication on acceptance • Inclusion in < /b> PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit...
- 5
- 215
- 0
Báo cáo hóa học: " Steinfield, H., Mooney, H.A., Schneider, F. and Neville, L. E. Livestock in a changing landscape: Drivers" pptx
Ngày tải lên :
21/06/2014, 03:20
... point of view of their environmental impacts, the risks associated with diseases, and the economic and social contribution The claim is that with intensification, the agro-industries are changing ... suggesting that the milk production and consumption is higher in < /b> East Africa and the Horn of Africa than in < /b> the rest of the sub-Saharan Africa This analysis is overly simplistic The chapter makes ... balance between carbon emissions and carbon sequestration in < /b> livestock production systems In < /b> the intensive system where the production is specialized and the limited land is available (and this...
- 7
- 241
- 0
Báo cáo hóa học: " Research Article Some Results for a Finite Family of Uniformly L-Lipschitzian Mappings in Banach Spaces" pdf
Ngày tải lên :
22/06/2014, 19:20
... Chidume s open questions and approximate solutions of multivalued strongly accretive mapping equations in < /b> Banach spaces,” Journal of Mathematical Analysis and Applications, vol 216, no 1, pp 94–111, ... Shih-Sen Chang: Department of Mathematics, Yibin University, Yibin, Sichuan 644007, China Email address: sszhang 1@yahoo.com.cn Jia Lin Huang: Department of Mathematics, Yibin University, Yibin, ... Moore and B V C Nnoli, “Iterative solution of nonlinear equations involving set-valued uniformly accretive operators,” Computers & Mathematics with Applications, vol 42, no 1-2, pp 131–140, 2001 Shih-Sen...
- 8
- 236
- 0
Báo cáo khoa học: "Detecting the impact of climate and disturbances on tree-rings of Fagus sylvatica L. and Quercus robur L. in a lowland forest in Cantabria, Northern Spain" ppt
Ngày tải lên :
08/08/2014, 14:21
... dimensionless indices comparable between single individual series This standardization method preserves all the information contained in < /b> ring-width series, and emphasizes changes in < /b> treegrowth patterns ... have been suppressed as a < /b> consequence of growing under dominant individuals This is a < /b> normal behavior in < /b> beech, because it is a < /b> shade tolerant species, able to survive during long time periods ... be broad scale in < /b> that all the trees in < /b> a < /b> stand will be affected similarly by the same set of climatic variables Thus, the synchrony in < /b> the ringwidth pattern among trees in < /b> a < /b> site is mainly a...
- 15
- 329
- 0
Báo cáo y học: "B cells as a therapeutic target in autoimmune disease" doc
Ngày tải lên :
09/08/2014, 01:21
... Despite B- cell depletion, immunoglobulin levels are usually maintained, possibly as a < /b> consequence of plasma cells being spared B- cell depletion in < /b> antibody-mediated diseases It is understandable that ... RA pathogenesis emphasizes the role of macrophage and fibroblast activation and the production of inflammatory mediators in < /b> the synovial tissue Therapeutic effects of B- cell depletion obviously ... hepatic outcome are awaited A < /b> trial to be sponsored by the US National Institutes of Health is in < /b> the planning stage 132 Although autoantibodies in < /b> autoimmune cytopenias and some other diseases,...
- 5
- 410
- 0
Báo cáo y học: "Analysis of TNFAIP3, a feedback inhibitor of nuclear factor-κB and the neighbor intergenic 6q23 region in rheumatoid arthritis susceptibility" pot
Ngày tải lên :
09/08/2014, 14:20
... feedback loops through the cooperative activity of its two ubiquitin-editing domains [9] TNFAIP3 protein levels are drastically increased upon NF- B stimulation by various factors, including tumor ... supervised genotyping, statistical analysis, interpretation of results and writing of the manuscript All authors read and approved the final manuscript Additional files The following Additional files ... exhibited significant association exclusively in < /b> ACPA-positive patients (Table 4) In < /b> all of these SNPs, the risk allele was the most common Conditional logistic regression of these four SNPs, taken...
- 8
- 324
- 0