role of chemical engineer in oil and gas industry

Báo cáo y học: "Functional genomics analysis of low concentration of ethanol in human hepatocellular carcinoma (HepG2) cells. Role of genes involved in transcriptional and translational processes"

Ngày tải lên : 31/10/2012, 15:28

... 42], and ethanol-induced mucosal injury in the upper gastrointestinal tract leading to increase in the permeability of the gut mucosa to endotoxins [43, 44]. These factors are involved in ethanol-induced ... ingestion of ethanol induces a completely different pattern due to the reported ethanol-induced expression and activation of cytokines and chemokines in monocytes and macrophages (including Kupffer ... . Interestingly, HMGN3 has been found to be associated with resistance against anticancer drugs including vinblastine, topotecan, paclitaxel and doxorubincin in human hepatocellular carcinoma...

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The Role of the Media in Promoting and Reducing Tobacco Use doc

Ngày tải lên : 06/03/2014, 01:20

... to secondhand smoke, questioning the accuracy of tobacco industry communications, and the declining social acceptability of smoking. Other forms of smoking-relevant advertising include advertisements ... such as packaging, viral marketing, and the Internet; and recent trends in tobacco advertising and promotional expenditures, including the shift from traditional print advertising to promotional ... marketing in the United States, and tobacco marketing remains pervasive and effective in promoting tobacco use. Efforts to curb the depiction of tobacco use in movies have increased in recent...

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Budget Impasse Hinges on Confusion among Deficit Reduction, Tax Increase, and Tax Reform: An Economic Analysis of Dual Capacity and Section 199 Proposals for the U.S. Oil and Gas Industry ppt

Ngày tải lên : 31/03/2014, 07:20

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ENVIRONMENTAL MANAGEMENT IN OIL AND GAS EXPLORATION AND PRODUCTION pptx

Ngày tải lên : 31/03/2014, 13:20

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advances in corrosion control and materials in oil and gas production

Ngày tải lên : 02/04/2014, 15:46

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báo cáo hóa học:" The role of tendon microcirculation in Achilles and patellar tendinopathy" doc

Ngày tải lên : 20/06/2014, 01:20

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Tài liệu The Role of BCG Vaccine in the Prevention and Control of Tuberculosis in the United States: A Joint Statement by the Advisory Council for the Elimination of Tuberculosis and the Advisory Committee on Immunization Practices docx

Ngày tải lên : 15/02/2014, 13:20

... renewed interest in examining the indications for BCG vaccination in the United States included consideration of the wide range of vaccine efficacies deter- mined by clinical trials and estimated in ... preventing pulmonary TB in adoles- cents and adults. These studies also were not useful in determining a) the efficacy of BCG vaccine in HCWs or b) the effects on efficacy of the vaccine strain administered 6 ... and recommendations for the use of BCG vaccine in selected persons, and implementation and surveillance of BCG vaccination. BCG VACCINES BCG vaccines are live vaccines derived from a strain of...

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Tài liệu Báo cáo khoa học: The role of N-glycosylation in the stability, trafﬁcking and GABA-uptake of GABA-transporter 1 Terminal N-glycans facilitate efﬁcient GABA-uptake activity of the GABA transporter pptx

Ngày tải lên : 19/02/2014, 17:20

... proteins in remaining fractions were isolated by immunoprecipitation with anti-GFP Igs. Both the plasma membrane and intracellular proteins were eluted by boiling for 4 min in SDS sample buffer, and ... not the terminal trimming of N-glycans is involved in the regulation of the stability and trafﬁcking of GAT1. It has been reported that a variety of molecular chaperones and folding enzymes assist ... substrate binding process. This provides strong evidence that N-glycans, in particular their terminal structures, are involved in regulating the GABA translocation of GAT1, but not in binding of GAT1...

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Enterprise Adjustment and the Role of Bank Credit in Russia: Evidence from a 420 Firm''''s Qualitative Survey pdf

Ngày tải lên : 06/03/2014, 08:20

... decreasing for 53% of the sample, it has been increasing for 36%, and has been stable for the remaining 11%. An increase in indebtedness (of 80% in average) is associated with a 14% decrease in production, ... to « 1 » (increase in indebtedness) by 15 points (33 minus 18), and increases the probability of Expected-Debt to be equal to « 4 » (not indebted and not going to be) by 13 points (34 minus 21). 6. ... striking feature is indeed that, the probability of declaring profit appears graphically as a function of both real growth and financial discipline - or limited financial and liquidity constraints,...

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An Assessment of the Environmental Implications of Oil and Gas Production: A Regional Case Study pot

Ngày tải lên : 06/03/2014, 16:20

... environmental impacts of oil and gas production in Region 8 and elsewhere. • Appendix A, Industry Characterization, describes the industry in greater detail and regional oil and gas production trends. ... organizations (NGOs), the oil and gas industry, and other stakeholders to augment our discussion of major oil and gas production concerns and initiatives. We grouped our findings into three primary ... growth in natural gas production and other forms of natural resource extraction within the Rocky Mountain region is occurring. In addition to oil and gas, other fossil fuels, and nuclear power, increased...

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Báo cáo khóa học: Mutational and computational analysis of the role of conserved residues in the active site of a family 18 chitinase docx

Ngày tải lên : 07/03/2014, 14:20

... mechanistic roles of several of these residues are not described well and there is no example of mutational analysis of all of these residues in the same enzyme. To obtain an insight into how the ... ChiB for allosamidin, which is an analogue of the proposed oxazolinium ion intermediate [32]. The minor (or even positive) effects of Y214F on substrate and intermediate binding and the large negative ... 30.1 a The kinetic parameters of Y10F could not be measured at pH 9.0 due to enzyme instability. At pH 8.0 Y10F showed a k cat of 0.55 and K m of 47.2 (compared to a k cat of 3.5 and a K m of 24.9 in...

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The Economic Impacts for Ireland of High Oil and Gas Prices doc

Ngày tải lên : 08/03/2014, 06:20

... mitigation and a low carbon future THE ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES 17 future dominance of oil and gas in Ireland’s imported fuel mix. Ireland is part of a handful of EU ... 17 Oil and Gas Prices and their Determinants Chapter 1. Oil and Gas Prices and their Determinants T his opening section of the report deals with oil and gas prices and has fed directly into ... discussed in this study, is the potential for high oil and gas prices to increase in international markets. Changes in the fuel input cost to oil and gas red power generation in Ireland would...

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Báo cáo khoa học: Kinetic and crystallographic analyses of the catalytic domain of chitinase from Pyrococcus furiosus – the role of conserved residues in the active site pdf

Ngày tải lên : 15/03/2014, 11:20

... biocon- version of chitin into valuable oligosaccharide deriva- tives for various industrial applications. Pf-ChiA has a unique multidomain structure containing two chitin-binding domains (ChBD1 and ChBD2) ... hyperthermostable chitinase from the hyperthermophilic archaeon Pyrococcus furiosus has a unique multidomain structure containing two chitin-binding domains and two catalytic domains, and exhibits strong ... binding of the substrate by hydrogen bonding and ⁄ or hydrophobic interactions. Using the ligplot program [31], we investigated the speciﬁc interactions between enzymes and each NAG residue in...

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Báo cáo khoa học: Alternative initiation of transcription of the humanpresenilin 1gene in SH-SY5Y and SK-N-SH cells The role of Ets factors in the regulation ofpresenilin 1 pptx

Ngày tải lên : 16/03/2014, 18:20

... contains two DNA binding inhibitory domains ﬂanking the Ets domain: the central 87 amino acid inhibitory domain is poorly conserved a nd virtually speciﬁc to ERM, and the C-terminal domain that ... transcription of the human presenilin 1 gene in SH-SY5Y and SK-N-SH cells The role of Ets factors in the regulation of presenilin 1 Martine Pastorcic 1 and Hriday K. Das 1,2,3 1 Department of Pharmacology ... complexes. (B) The binding of in vitro translated ERM is eliminated by mutations in Ets motifs. The binding of in vitro translated ER M o ver t he PS1 promoter was a ssayed by E MSAs inc luding the 32 P-labeled...

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Báo cáo Y học: The role of arginine residues in substrate binding and catalysis by deacetoxycephalosporin C synthase potx

Ngày tải lên : 18/03/2014, 01:20

... group of the a-aminoadipoyl- side-chain of penicillin N (1), with arginines 74 and 75 apparently playing a less important role in side-chain binding. Taken together, the results of this and previous ... oxidation. Penicillin substrate binding to DAOCS The results in this paper give support to the proposed mode of penicillin binding by DAOCS [1,12] a key feature of which is that arginines 160 and 162 bind to ... residues in binding the carboxylate linked to the nucleus of penicillin N (Arg160 and Arg162) and the carboxylate of the a-aminoadipoyl side-chain (Arg266). The results for mutation of Arg74 and...

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Báo cáo Y học: Role of histidine 42 in ascorbate peroxidase Kinetic analysis of the H42A and H42E variants pptx

Ngày tải lên : 18/03/2014, 01:20

... obtained in the absence of exogenous imidazoles. Formation of Compound I again showed saturation kinetics (Fig. 6), and a nonlinear least-squares ﬁt of the data to Eqn (7) in the pres- ence of ... histidine residue stabilizes Compound II through a hydrogen-bonding structure involving the N e of His42 and the ferryl oxygen. However, although hydrogen-bonding interactions of this kind have ... ferrous- oxy derivative of CcP [52], no such interaction was detected in the crystal structure of Compound I [53,54]. Instead, stabilizing hydrogen-bonding interactions from the distal arginine residue have...