... biến sản phẩm dầu khí ngồi nước, dự án công nghiệp khác sở sản phẩm có kinh nghiệm thực EHouse, Chemical Injection/ Manifold Skids, Pressure Vessel đồng thời, tiếp tục nghiên cứu, triển khai sản ... việc sở hữu 5.000.000 cổ phiếu đợt phát hành, Mepcom Offshore & Marine Pte Ltd trở thành cổ đông chiến lược PVC-MS 15/12/2015 Sở Giao dịch Chứng khoán Tp HCM (HoSE) thức chấp thuận niêm yết bổ sung ... lũy kế từ năm trước chuyển sang dẫn đến Công ty không đạt tiêu đề Tổ chức nhân sự: Danh sách Ban điều hành nay: Stt Họ tên Chức vụ Số lượng CP có quyền biểu Tỷ lệ sở hữu % Trần Vũ Phượng Q Giám
Ngày tải lên: 23/10/2021, 07:06
... connections. They cover such essentials as permissible fas- tener size, sizes of holes, arrangements of fasteners, size and attachment of fillers, and installation methods. 5.7 FASTENER DIAMETERS Minimum ... bolts or welds be used for connections indicated in Sec. 6.14.2. The AISC imposes special requirements on use of welded splices and similar connections in heavy sections. This includes ASTM A6 ... the use of plug or slot welds but will accept fillet welds in holes and slots. FASTENERS In steel erection, fasteners commonly used include bolts, welded studs, and pins. Properties of these are
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 8 potx
... design. 6.3 STANDARD SPECIFICATIONS Standard specifications are consensus documents sponsored by professional or trade asso- ciations to protect the public and to avoid, as much as possible, misuse ... trucks and buses use AASHTO a lane loads (see Table 6.2b also) Grandstands c (see Stadium) Gymnasiums, main floors and balconies c 100 Hospitals (see Table 6.2b also) Operating room, laboratories ... Members,’’the Steel Joist Institute’s ‘‘Standard Specifications Load Tables and Weight Tables for Steel Joists and Joist Girders,’’ and the American Welding Society’s (AWS’s) ‘‘Structural Welding Code—Steel’’
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 9 pptx
... columns, truss mem- bers, struts, and diagonal braces. Slenderness is a major factor in design of compression members. The slenderness ratio L /r is preferably limited to 200. Most suitable steel shapes ... stub girders for long spans or heavy loads, and open-web steel joists. See also Sec. 8. This section addresses the design of these elements, which are common to most steel buildings, based on allowable ... 3.33%. This example indicates that when slenderness is significant in design of compression members, the savings with LRFD are not as large for slender members as for stiffer members, such as short
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 10 potx
... modifications, such as openings for tenants’ stairs and changes for heavier floor load- ings. When reinforcement of existing steel structures is required, it can be accomplished by such measures as addition ... thicknesses outside this range are sometimes used. The design thicknesses corresponding to typical gage designations are shown in Table 8.1. 8.2 SECTION EIGHT TABLE 8.1 Equivalent Thicknesses for ... least 75% of its specified 28-day compressive strength. In addition, when shoring is used, the concrete must resist the stresses resulting from the total dead load combined with all superimposed
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 12 pot
... quantities may be produced on a press-brake, particularly if the shape is simple, such as an angle or channel cross section. In its simplest form, a press brake consists of a male die which presses ... (or 62 ksi or 428 MPa if less). Some exceptions apply. Suitability can also be established by structural tests. 10.2 MANUFACTURING METHODS AND EFFECTS As the name suggests, the cross section ... conditions. 10.4 DESIGN METHODS The AISI Specification is structured such that nominal strength equations are given for various types of structural members such as beams and columns. For allowable stress
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 13 pdf
... curbs or sidewalks, or both. In these in- stances, AASHTO Standard Specifications indicate that sidewalks and supporting members should be designed for a live load of 85 psf. Girders and trusses should ... on structure Certain loads applicable to the design of superstructures of steel beam/girder-slab bridges are discussed in detail below. Dead Loads. Designers should use the actual dead weights ... ture, lower seismic forces are transmitted to the substructure elements. Vessel Impact Loads. A loading that should be considered by designers for bridges that cross navigable waters is that induced
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 14 potx
... axial stresses in the members bracing the flanges of stringers, beams and girders, axial stresses in the chords of trusses and in members of cross frames of these spans, and the stresses from ... and 30 psf on the bridge. Components subject to stresses from wind loads only should be designed for the basic allowable stresses. Also, no increase in the basic allowable stresses in high strength ... roller or base, whichever is less a For steel castings, allowable stresses in compression and bearing are same as those of structural steel of the same yield point Other allowable stresses are
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 15 docx
... it causes higher stresses. Some states prefer 30 kip axles instead of 24 kips. Dead Loads. Superstructure design for bridges with a one-course deck slab should in- clude a 25-psf additional dead ... construction, composite construction offers smaller deflections or permits use of shallower stringers, and the safety factor is larger. For long-span, simply supported, composite, rolled beams, costs often ... transversely between stringers, as in noncom- posite design. The effective span S is the distance between flange edges plus half the flange width, ft. In this case, if the flange width is assumed as
Ngày tải lên: 11/08/2014, 20:21
Structure Steel Design''''s Handbook 2009 part 18 potx
... economical to use trusses for considerably shorter spans. For example, for a remote site with difficult access, truss arches may be less expensive than solid-ribbed arches, because the trusses may be ... and Suspension Bridges. Such structures normally are not used for spans of less than 500 ft. Above 3000 ft, suspension bridges are probably the most practical solution. In the shorter spans, self-anchored ... girders or trusses. There has been little use of suspension bridges for spans under 1000 ft, except for some self-anchored spans. For spans above 1000 ft, it is not possible to make any general statement
Ngày tải lên: 11/08/2014, 20:21
THE INFLUENCE OF THE KU80 CARBOXY-TERMINUS ON ACTIVATION OF THE DNA-DEPENDENT PROTEIN KINASE AND DNA REPAIR IS DEPENDENT ON THE STRUCTURE OF DNA COFACTORS Derek S.
... of DNA strands which is essential for cellular processes such as replication and transcription To resolve such lesions the interstand crosslink repair pathway produces nicks in the strands on either ... are interstrand crosslinks in which covalent bonds form between bases on separate strands which are usually irreversible3 These crosslinks are extremely toxic because they prevent the separation ... repair is the main pathway used to repair non-bulky base damage This pathway becomes activated in response to damaged base residues and nucleotides as well as in response to abasic sites The removal
Ngày tải lên: 24/08/2014, 09:33
the structure and meaning of president nguyen minh triet’s speech addressed on the occasion of the 1000th anniversary of the foundation of thang long – hanoi a systemic functional analysis
... manageable set of process types Like English, Vietnamese transitivity systems are composed by six types: Material Process, Mental Process, Verbal Process, Behavioral Process, Relational Process, and ... focuses on its meaning and structure Chapter four – Conclusion – summarizes the results of the study and offers some suggestions for teaching and learning as well as for further studies CHAPTER ... 1.3 Scope of the Study As a minor thesis, not all aspects of functional grammar are explored but only some of them such as linguistic system, metafunctions and cohesion The focus of the study,
Ngày tải lên: 28/02/2015, 11:54
Analysis of Body Size Measurements for U.S. Navy Womens Clothing and Pattern Design 1993
... Misses Size 10 116 8 Misses Size 12 117 9 Misses Size 14 118 10 Women's Size 34 119 11 Women's Size 36 120 12 Women's Size 38 121 LOWER TORSO ... Women's Sizes 216,217 4 Lower Torso Junior Sizes 218 5 Lower Torso Misses Sizes 219 6 Lower Torso Women's Sizes 0.0.0. 220 5 LIST OF FIGURES Chapter Figure I 1 Stature ... Misses Size 10 128 20 Misses Size 12 129 21 Misses Size 14 130 4 LIST OF TABLES (continued) Chapter Table Title Page V 22 Misses Size 16 131 23 Misses Size 18
Ngày tải lên: 15/08/2015, 01:52
Structure property relationship of crystalline poly(lactic acid)s DFT DFPT studies and applications
... oligomeric silsesquioxane (POSS) nanocages as the cores and either PLLA or PDLA as the arms: POSS-star-PLLA and POSS-star-PDLA. Last, but not least, the stereocomplexation was as a physical cross-link ... (a) First DSC heating scans and (b) WAXS profiles of sample (POSSstar-PLLA-2) (grey solid curve), sample (POSS-star-PDLA-2) (grey dashed curve) and sample 3+4 (50/50 POSS-star-PLLA-2/POSS-star-PDLA-2) ... aliphatic polyester derived from biomass such as corn, sugar, and possibly organic wastes, is one of the promising substitutes for the petroleum-based synthetic plastics. PLA has high tensile strength,
Ngày tải lên: 09/09/2015, 18:56
The relationship between an organization’s structure and culture and the effects on business performance
... ness hostility Assertiveness Altruism Depression Activity Compliance Excitementseeking Positive emotion Modesty Tendermindedness Selfconsciousness Impulsiveness Vulnerability Basically, personality ... Fantasy Competence Warmth Aesthetics Order Gregariousness Feelings Dutifulness Achievement Actions striving Ideas Self Discipline Values Deliberation A N Trust Anxiety Straightforward- Angry ness ... in customers by getting product-development groups However, the business was not successful because of these elements: First of all, a net work of Microsoft is too large Develop more groups of...
Ngày tải lên: 12/04/2013, 21:50
Publicly Funded Agricultural Research and the Changing Structure of U.S. Agriculture doc
... for SAES is appropriated by state legislatures Although CSREES-administered formula funds, based on each state s share of total rural and farm populations, also support the SAES-land grant system, ... Nation s agricultural sales, selected years from 1900–1997 NOTE: The share of sales in 1909, 1940, and 1969 was calculated by summing share of sales by sales class from Census data, and totaled slightly ... humanities perspectives to determine structural consequences of research and to assess the research needs of a diverse clientele The public sector, particularly ARS, should strengthen social science...
Ngày tải lên: 06/03/2014, 15:20
Báo cáo khoa học: Solution structure of 2¢,5¢ d(G4C4) Relevance to topological restrictions and nature’s choice of phosphodiester links docx
... d(CGGCGCCG) [10] suggest that even 2¢,5¢ DNAs are prone to sequence effects, as evidenced by some differences seen in structures of the two sequences The former sequence assumes a hybrid structure of ... plot of the families of converged structures of iso d(GGGGCCCC)2 (A) BFI (39 structures), (B) BFII (20 structures), (C) AFI (85 structures), and (D) AFII (15 structures) ˚ Slide (A) )1.53 )1.71 ... d(G4C4), possesses composite features of both A and BDNA In view of these, it is perhaps appropriate to regard the structure of iso d(G4C4) as a hybrid structure of A and B forms It is gratifying...
Ngày tải lên: 16/03/2014, 18:20
Báo cáo khoa học: Structure, expression and regulation of the cannabinoid receptor gene (CB1 ) in Huntington’s disease transgenic mice ppt
... transcription start site and several other transcription start sites in the mouse CB1 gene that were used to express the CB1 gene in striatal and cortical neurons We consistently saw the same pattern ... position of the introns in the mouse and human genes are identical and the sequences at the 5¢- and 3¢-splice site junctions are conserved and correspond to splice junction consensus sequences ... assays cDNA and EST clones with 5¢-ends corresponding to sequences located downstream of the mouse CB1 intron are present in GenBank It is possible therefore that transcription may occur downstream...
Ngày tải lên: 16/03/2014, 18:20
Factor Structure and Measurement Invariance of the Women’s Health Initiative Insomnia Rating Scale docx
... 2001), their use as tools to assist clinicians in assessing the severity of insomnia symptoms is less frequent Sateia (2002) observed that although questionnaires provide an excellent means of data ... multiple samples This particular sampling approach is known as random subsampling (Chernick, 1999) EFAs As we discuss explicitly in the Results section, six different factor structures were investigated ... made sense to further explore a scale involving these six items.6 Analyses using Items DEFGIJ Four scales using these items were evaluated: a six-item insomnia rating scale labeled “IRS6” (Items...
Ngày tải lên: 22/03/2014, 11:20
The Shipbuilding and Force Structure Analysis Tool - A User’s Guide ppt
... major ship force structure, budget, and industrial base issues that arose during these defense reviews and the models that Navy and OSD analysts have used to help address those issues Specifically, ... costs This model functions as a “pass-through” for the Navy s Operating and Support Cost Analysis Model (OSCAM) or other O &S cost models and databases that supply O &S costs on an annual basis ... and then assesses the costs of those labor demands One of the reasons this model is so complex is that it considers the entire workload at a shipyard, not just individual ship 22 The Shipbuilding...
Ngày tải lên: 23/03/2014, 01:20