0
  1. Trang chủ >
  2. Kỹ Thuật - Công Nghệ >
  3. Kiến trúc - Xây dựng >

Transformation of defects into fatigue cracks; the role of kt and defect scale on fatigue life of non pristine components

Transformation of defects into fatigue cracks; the role of kt and defect scale on fatigue life of non pristine components

Transformation of defects into fatigue cracks; the role of kt and defect scale on fatigue life of non pristine components

... Transformation of defects into fatigue cracks; the role of Kt and defect scale on fatigue life of non- pristine components A. Cinia, P.E. Irvinga,*aDepartment of Materials, Cranfield University, College ... models. Life data and models wereused to develop a unified approach for prediction of life of non- pristine components, incorporating effects of defect geometry.Keywords: Fatigue, notch, scracthes, ... traditional elastic fracture mechanics. If the component is regarded as pristine a non- conservative service life may result. The questions to be addressed are: 1) Definition of the damage condition...
  • 11
  • 502
  • 0
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

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

... side-chain of the cata-lytic proton-donating E residue is restrained into the favorable conformerfor proton donation by a hydrogen bond interaction with the adjacent D2residue. The comparison of ... active site conformations of family 18 chitinas-es provides a new criterion for the subclassification of family 18 chitinasebased on the conformational change of the D2residue.AbbreviationsAD, ... the side-chain of catalyticGlu526 into the favorable conformer for proton dona-tion by hydrogen bond interaction. In addition, bycomparing the structures of AD2 with those of otherfamily 18...
  • 13
  • 514
  • 0
Báo cáo khoa học: The role of residue Thr249 in modulating the catalytic efficiency and substrate specificity of catechol-2,3-dioxygenase from Pseudomonas stutzeri OX1 ppt

Báo cáo khoa học: The role of residue Thr249 in modulating the catalytic efficiency and substrate specificity of catechol-2,3-dioxygenase from Pseudomonas stutzeri OX1 ppt

... determination of the product of the reaction. Wild-type and mutant C2,3Oswere used to start the reaction. The amount of the fissionproducts was measured spectrophometrically using theirabsorption extinction ... of substrate cleavage. The hypothesis is advanced that a water molecule bound between one of the hydroxyl groups of the substrate and the side chain of Thr249 favors the deprotonation ⁄ protonation ... site, hasone of the methyl groups at approximately the sameposition as the Thr249 methyl group that approaches the substrate. On the contrary, the progressive reduc-tion of the side chain of residue...
  • 14
  • 411
  • 0
The Performance of Socially Responsible Mutual Funds: The Role of Fees and Management Companies ∗ pot

The Performance of Socially Responsible Mutual Funds: The Role of Fees and Management Companies ∗ pot

... SRI and 660 conventional fund-year observations, respectively. Further, the restricted subsample of SRI and conventional funds may not be representative of the wholepopulation. Inspection of the ... of Economics and Statistics 86, 91–107.24TablesTable 1: Number and total net assets of SRI and conventional funds The table shows the number and total net assets (TNA) of SRI and conventional ... sample of thousands of US companies. Therefore, at least part of our sample of SRI mutual funds mayface only minor restrictions on their investment policies. The fraction of “sin” companiesamong...
  • 30
  • 627
  • 0
A study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy

A study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy

... also conducted as the further confirmation of the collected results from the experiment. The questionnaire includes closed questions, rating scale and free responses. This kind of questionnaire ... can contribute to the advancement of teaching and learning quality at the MSA, especially in the course of educational modernization of the country. The first and foremost, it will help:• contribute ... theory to the current understandings of academic group discussion and exploring the relationships between group discussion within the classroom and the advancement of communicative skills of...
  • 77
  • 890
  • 5
Slide a study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy

Slide a study on group discussion and its impacts on speaking ability of the non major students at the post elementary level in military science academy

... -Include the subjects of both male and female in classConclusions and SuggestionsConclusions and Suggestions A study on group discussion A study on group discussion and its impacts on speaking ... Investigation : -Nature of group work-Relationship between group work and individual presentation Objectives of the studyObjectives of the study contribute more theory to the understandings of ... discussion and its impacts on speaking and its impacts on speaking ability of the non- major ability of the non- major students at the post-students at the post-elementary level in Military...
  • 15
  • 798
  • 0
Tài liệu Báo cáo khoa học: Restricted localization of proline-rich membrane anchor (PRiMA) of globular form acetylcholinesterase at the neuromuscular junctions – contribution and expression from motor neurons doc

Tài liệu Báo cáo khoa học: Restricted localization of proline-rich membrane anchor (PRiMA) of globular form acetylcholinesterase at the neuromuscular junctions – contribution and expression from motor neurons doc

... investigate the contribution of the motor neuronto PRiMA-linked G4AChE at NMJs, we analyzed the effect of denervation on the localization of PRiMA. The NMJs of the denervated tibialis and sham-oper-ated ... expression in motor neurons contributed to the synaptic localization of G4AChE. After denervation, the expression of PRiMA, AChET and G4AChE decreased markedly in the spinal cord, and in fast- and ... Biosciences). The intensities of the bands in the control and stimulated samples, run on the same gel and under strictly standardized enhanced chemi-luminescence conditions, were compared on an imageanalyzer...
  • 12
  • 488
  • 0
Báo cáo khoa học: Repeats of LacdiNAc and fucosylated LacdiNAc on N-glycans of the human parasite Schistosoma mansoni doc

Báo cáo khoa học: Repeats of LacdiNAc and fucosylated LacdiNAc on N-glycans of the human parasite Schistosoma mansoni doc

... IL), and the 2AB-labelled glycans were elutedwith 5 mL of 25% acetonitrile. The acetonitrile content wasreduced under a stream of nitrogen, and the samples werelyophilized.Fractionation by ... to the hypothesis that they containelongated N-acetylhexosamine stretches on their anten-nae.To test this hypothesis, RP-nano-LC-ESI-IT-MS ⁄MS was performed on the N-glycans of S. mansoniadult ... residues, and none of the fragment ion spectra indicated species withHexNAc chains of three or five HexNAc residues.Detailed characterization of N-glycansFew of the identified N-glycans with chains of...
  • 15
  • 271
  • 0
The Rise and Fall of the U.S. Mortgage and Credit Markets: A Comprehensive Analysis of the Meltdown pot

The Rise and Fall of the U.S. Mortgage and Credit Markets: A Comprehensive Analysis of the Meltdown pot

... especially in Arizona, California, Florida, and Nevada. One-third of homes sold between the third quarter of 2007 and the second quarter of 2008 were sold at a loss.11There were 1.3 million foreclosure ... has the value of the subprime mortgages. (If the ratio were 30:1, which was the case with some rms, then the supporting capital for $1.2 trillion would be only $40 billion.) These situations ... injections and guarantees, the public has found the response to be confusing and patchwork at best. Even as billions and indeed trillions— of dollars have been committed through capital injections...
  • 51
  • 467
  • 0
Hitting America’s Soft Underbelly -The Potential Threat of Deliberate Biological Attacks Against the U.S. Agricultural and Food Industry pot

Hitting America’s Soft Underbelly -The Potential Threat of Deliberate Biological Attacks Against the U.S. Agricultural and Food Industry pot

... continuum through the introduction of toxic or bacterialagents could cause the public to question the safety of the food supply and lead to speculation about the effectiveness of existing contingencyplanning ... multidimen-sional, reverberating through other sectors of the U.S. economy and ultimately impacting directly on the American consumer.Organization of This Report The remainder of this report aims to expand ... periods of time on organic or inor-ganic matter and typically are not the focus of concerted livestockvaccination programs in the United States.Second, many FADs are non- zoonotic, meaning they...
  • 65
  • 265
  • 0

Xem thêm

Từ khóa: history of the indian caste system and its impact on india todaythe role for chemotherapeutics and targeted agentsdbf4 idp with the role in replication and recombinationecm11 idp with the role in replication and recombinationmarketing the role formulating articulating and negotiating advanced practice nursing positionslocating the oracle cluster registry and voting disks on exadataBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitTrả 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 về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Thơ nôm tứ tuyệt trào phúng hồ xuân hươngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo 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)BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM