a1—equations for estimating temperature of freshly mixed concrete are shown in the following
prediction of creep, shrinkage, and temperature effects in concrete structures
... “Methods of Analysis of the Effects of Creep in Concrete Structures,” Thesis at the University Assessment of the Methods of Allowing for the Effects of Creep and Shrinkage of Concrete on the Behaviour ... coefficient defined as ratio of creep strain to initial strain, (es& is the ultimate shrinkage strain, and t is the time after loading in Eq (2-6) and time from the end of the initial curing in Eq (2-7) ... to the beginning of loading 2.9-Thermal expansion coefficient of concrete 209R-11 PREDICTION OF CREEP 2.9.1 Factors affecting the expansion coefficient The main factors affecting the value of the...
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In vitro studies on the color stability and masking ability of composite cores and the influence of posts and cores on the shades of all ceramic systems
... and changes in surface morphology by wear The intrinsic factors involve the discoloration of the resin material itself, due to the alteration in the resin matrix and at the interface of matrix ... an increase in scattering within the material Light scattering in a material is the result of scattering centers that cause the incident light to be scattered in all directions The scattering ... used, the refractive indexes of the fillers and the matrix and the pigment they contain4 The materials are composed of numerous inorganic particles and a surrounding matrix phase The higher the...
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Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx
... Journal of Science, Mathematics - Physics 24 (2008) 57-65 Main idea for solving the three-phase problem is that we convert it into two two - phase problems, then combine them in order to give final ... replacing the old matrix phase in expressions (2) and (3) Expressions of ∧ ∧ tranverse α t and axial α a thermal expansion coefficients of this type of material are determined as the following ... reinforced by spherical particles are calculated according to expressions (8) and (9) So, we have data presented in table as the following Table The variance of thermal expansion coefficients of...
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DEFLECTION OF BEAMS
... (13.65) the integral : Mo dz is the area of the bending moment curve due to the load w alone; J M, zdz is the moment of h s area about the end z = of the beam If A is the area of the bending moment ... dz are integrable function of z the process of finding v can be continued analytically, the constants A and B being found from the terminal conditions Failing this the integrations must be performed ... cross-sections into c w e d planes In the cantilever of Figure 13.2 1, the cross-section DH warps as the force F is applied, due to the shearing strains in the fibres of the beam We assume that the shearing...
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báo cáo hóa học:" Implantation of neural stem cells embedded in hyaluronic acid and collagen composite conduit promotes regeneration in a rabbit facial nerve injury model" doc
... in part by the grants from the 7042014 of the National Science Foundation of Beijing, China, the 50573044 of the National Natural Science Foundation of China and the 2005CB623905 of the National ... three days in 4% paraformaldehyde and embedded in paraffin Sections were de-waxed and stained with haematoxylin and eosin for histological examination Toluidine blue staining was performed to ... biodegradable The clearance rate of the scaffold was primarily in phase with that of regeneration The potential of signalling molecules, inducing factors, cytokines, or effecter cells embedded in synthetic...
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Báo cáo toán học: " Structure and electrical properties of sputtered TiO2/ZrO2 bilayer composite dielectrics upon annealing in nitrogen" pdf
... affected by the annealing temperature Normally, for a composite thin film, the dielectric constant is mainly dependent on the component of the film and the microstructure including the crystalline property, ... roughness of the thin film decreases at higher annealing temperature At 773 K annealing temperature, the film has the smallest surface roughness, which may be attributed to the full incorporation of the ... while for the annealed one, only one layer of the ZrO -TiO Page of composite thin film was built Lastly, we can obtain the thickness of the as-deposited thin film with a ZrO2 layer (L1) of 27.639...
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Báo cáo hóa học: "Photochemically reduced polyoxometalate assisted generation of silver and gold nanoparticles in composite films: a single step route" pptx
... Fig The particle size as well as the amount of Au in the composite is found to increase with the increase in the concentration of HAuCl4 solution The change in the color of the film (blue to pink) ... increased, the intensity of the band at 481 nm increased which might be due to the increase in the amount of Ag (Fig 9b) When increasing the concentration of the metal nanoparticles in composite film the ... getting reduced Up to 60 min, there is an increase in the intensity, but after 60 min, there is no change in the absorption band (750 nm) indicating that all the silicotungstate ions in the composite...
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Báo cáo lâm nghiệp: "Influence of cross section dimensions on Timoshenko’s shear factor – Application to wooden beams in free-free flexural vibration" ppsx
... ratio of the beam is within the 10 to 20 range In this case, the shear modulus can be accurately determined by using the shear factor The aim of our study was to gain further insight into the effect ... extension of the Euler-Bernoulli model because it takes the shear effect and rotary inertia into account The combined effects of shear deformation and rotary inertia are indeed not negligible when the ... frequency when the ratio h/e is equal to 0.1 (Fig 2) Note that the influence of the cross section ratio increased with the frequency rank, in agreement with the fact that the shear influence increases...
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báo cáo khoa học: " Radiological and pathological findings of a metastatic composite paraganglioma with neuroblastoma in a man: a case report" pptx
... Written informed consent was obtained from the patient’s next of kin for the publication of this case report and any accompanying images A copy of the written consent is available for review by the ... tissue along the lower abdominal aorta from the origin of the inferior mesenteric artery to the aortic bifurcation and into the iliac vessels, is often helpful to locate the tumor On CT, both pheochromocytomas ... anywhere within the sympathetic plexus or adrenal medulla Two-thirds of neuroblastomas are located in the abdomen, and approximately two-thirds of these abdominal lesions arise in the adrenal gland...
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Báo cáo y học: "Improving benchmarking by using an explicit framework for the development of composite indicators: an example using pediatric quality of care" docx
... composite indicators does not imply replacing the measurement of individual metrics of quality Rather, composites merely summarize the information contained in the individual metrics and make that information ... be incorporated into the composite can be investigated by examining whether it statistically maps on another domain Page of 10 Step three: initial data analysis In this step, the data are prepared ... make them compatible for aggregation In this phase the metrics are combined to form the composite indicator The primary decision involved in choosing an aggregation method hinges on whether providers...
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báo cáo khoa học: " Improving benchmarking by using an explicit framework for the development of composite indicators: an example using pediatric quality of care" potx
... composite indicators does not imply replacing the measurement of individual metrics of quality Rather, composites merely summarize the information contained in the individual metrics and make that information ... be incorporated into the composite can be investigated by examining whether it statistically maps on another domain Page of 10 Step three: initial data analysis In this step, the data are prepared ... make them compatible for aggregation In this phase the metrics are combined to form the composite indicator The primary decision involved in choosing an aggregation method hinges on whether providers...
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Some problems of non-linear oscillations in systems with large static deflection of elastic elements
... between the self-excited and forced ones in the non-linear systems with large static deflection of the elastic elements when the mechanisms exciting these oscillations coexist In both problems there ... characterized by the fact that the nonlineaxity of the system under consideration depends on the parameters of elastic elements and the static deflection and by the appearance of the non-linear terms ... contain the first p harm on ics sin0, COS 6, (III.1.3) d\ị) It T h e in ten sive interaction of m echanism s of generation of the...
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Designing moment resisting connection for disassembly for implementation in precast reinforced concrete buildings
... DESIGNING MOMENT-RESISTING CONNECTION FOR DISASSEMBLY FOR IMPLEMENTATION IN PRECAST REINFORCED CONCRETE BUILDINGS LIN ZHISHENG (M.Eng, SCUT) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ENGINEERING ... connection at the beam-column joint region has the disadvantage of disrupting the continuity of reinforcement The congested reinforcement details at the joints always create difficulties during the erection ... impact on the world Thus the focus of researchers and engineers are on sustainable construction strategies in the building industry The sustainable construction strategies in the building industry...
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Biomechanical characterization of dental composite restoratives a micro indentation approach
... Poisson ratio of the indenter, E = elastic modulus of the indented material of interests, and v = Poisson ratio of the indented material of interests For most indenters which are made of diamond, ... flat punch In determining the initial unloading stiffness, it is practically difficult to determine the number of data points that should be included in the linear fit of the unloading curve It ... illustrated in Fig 2.2 The constant C was determine by fitting the curve of P=Ch2 to the loading curve of the indentation data With known θ and modulus (E) of the material from the first part of the indentation...
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Design of composite haunch beams and connections for long span applications
... Eurocode defines composite connection as the one, which the reinforcement in the joint is intended to provide resistance in tension The tensile action of the slab reinforcement increases both the resistance ... summary of the cube test results of all the specimens on the day of testing Table 3.4 Summary of concrete cube test results Specimens Date of Concrete casting Date of Testing Day of Testing Concrete ... Ic = the second moment of the area of the column h = the length of column from floor to floor Ibc = the second moment of area of the composite beam (assumed uncracked) L = the length of the beam...
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A splitting algorithm for system of composite monotone inclusions
... 2.1 and the fact that the uniform convexity of a function in Γ0 (H) at a point in the domain of its subdifferentiable implies the uniform monotonicity of its subdifferential at that point Remark ... inclusion in [7, Eq.(1.2)] (iii) In Problem 1.1, set (∀k ∈ {1, , s}) Yk = Xk = Gk and Mk = Nk = Id, (Dk−1 )1≤k≤s are single-valued, then we obtain an instance of the system of inclusions in ... = Then, we obtain the dual inclusion in [5, Eq.(1.2)] where (Dk−1 )1≤k≤s are single-valued and Lipschitzian Moreover, by removing the variables v , , v s , we obtain the primal inclusion in...
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The graphs below show the numbers of male and female workers in 1975 and 1995 in several employment sectors of the republic of Freedonia
... made gains in both the finance/banking industries and in the defence-related public sector Whereas some 125 000 women worked in finance and banking institutions in 1975, the number increased to ... model answer: The two decades between 1975 and 1995 brought significant changes in the representation of women in Freedonia's work force, according to the graphs In 1975, for example, some ... 450 000 by 1995 The number of men grew only marginally from 425 000 to 480 000 over the same period In defence, the number of men declined from 225 000 to 200 000, while the number of women rose...
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Báo cáo y học: "A prospective observational study of the relationship of critical illness associated hyperglycaemia in medical ICU patients and subsequent development of type 2 diabetes"
... is the cut-off value in the Recommendations of the American Heart Association [35] and the trigger for initiation of insulin treatment for ICU patients recommended by the American College of ... [13,15,18,28] in different intensity, but the factors determining the extent of insulin resistance are not known Our observation that body mass index, which is certainly associated with insulin resistance ... peripheral insulin resistance by inducing the release of stress hormones They also alter insulin receptor signalling [12-16] and create insulin resistance Due to these actions, glucose uptake in fat...
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Báo cáo y học: "Management of chest pain: exploring the views and experiences of chiropractors and medical practitioners in a focus group interview"
... process involved examining themes for commonality, classifying them for uniformity, and then reaching agreement on the final list of six key themes Once the themes were set and subordinate concepts ... addressed within the time allotted for the focus group meeting, the facilitator's role during the focus groups session was intentionally minimalized in order to enhance the authenticity of the observations ... between the providers, and that the nature of the referral (e.g., amount and type of information accompanying the referral) may depend on the nature of the condition, whether the referral is for...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008