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15—transmission of column loads through floor system

Báo cáo nghiên cứu khoa học:

Báo cáo nghiên cứu khoa học: " FAST CALCULATING FORMULAS OF CURRENT PASSING THROUGH GROUNDING SYSTEM OF HIGH VOLTAGE SUBSTATION WHEN LIGHTNING STRIKES AT THE GROUNDING WIRE OF TRANSMISSION LINE" pps

Báo cáo khoa học

... Current passing through grounding system of substation (Fig 2) is calculated as follows: I z1 = Z th I Z + Z th (4) where Z th is the Thevenin impedance of the grounding wire of transmission ... left of the position that lightning strikes Current passes through grounding system of first substation as follows: I Z1 = Z pTD1 Z + Z th 01 I1 (8) where Z pTD1 is the elementary impedance of ... lightning strikes to the end of the grounding wire line in case of open-ended grounding wire or the end of the grounding wire connecting with the grounding system impedance of substation (Z1): ⎧ ⎛...
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Báo cáo hóa học:

Báo cáo hóa học: " Elective caesarean section versus vaginal delivery for preventing mother to child transmission of hepatitis B virus – a systematic review" pot

Hóa học - Dầu khí

... infectivity of HBV So we only Figure the efficacy of ECS versus vaginal delivery for preventing MTCT of HBV Analysis of Analysis of the efficacy of ECS versus vaginal delivery for preventing MTCT of HBV ... So Discussion Analysis of the effect of ECS for preventing MTCT of HBV Four clinical trails were identified which evaluated the efficacy of ECS for the prevention of MTCT of HBV They indicate ECS ... practice Although studies of ECS showed a strong evidence of a reduction in the risk of MTCT of HBV, methodological concerns including lack of information on randomization Page of (page number not...
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Dự án nông nghiệp

Dự án nông nghiệp " Improving capability of provincial extensionists for assessing soil constraints to sustainable production through the use of the SCAMP decision support system " MS5 pptx

Nông nghiệp

... capability of provincial extensionists for assessing soil constraints to sustainable production through the use of the SCAMP decision support system Vietnamese Institution Institute of Agricultural ... reduction in Vietnam will not be achieved unless the capacity of farmers to adopt profitable and sustainable agricultural systems is enhanced through technology and knowledge products In a previous ... It was clearly the desire of the extensionists to pass on their knowledge to farmers through training courses The role of a mobile lab to improve the identification of soil fertility constraints...
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Báo cáo khoa học nông nghiệp

Báo cáo khoa học nông nghiệp " Improving capability of provincial extensionists for assessing soil constraints to sustainable production through the use of the SCAMP decision support system ( Attachment 2 )" pdf

Báo cáo khoa học

... large area of low fertility Acrisols Cropping system is unsuitable Irrigation system is unsuitable Unplanned and inappropriate land use Unsustainable management practices No soil maps of quality ... major reason for the application of inorganic fertilizer Weak soil structure is identified as a cause of susceptibility to erosion There is no widespread use of organic materials What are the ... the importance of applying organic amendments and retaining crop residues as a means of improving productivity Post-course survey According to the post-course survey, the awareness of the participants...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article About Robust Stability of Caputo Linear Fractional Dynamic Systems with Time Delays through Fixed Point Theory" pot

Hóa học - Dầu khí

... interest of this paper is concerned with the positivity and stability of solutions independent of the sizes of the delays and also being independent of eventual coincidence of some values of delays ... dynamic systems,” International Journal of Systems Science, vol 14, no 4, pp 367–383, 1983 25 M De la Sen and N Luo, “On the uniform exponential stability of a wide class of linear time-delay systems,” ... independent of the sizes of the delays and the stability properties of linear time-invariant fractional dynamic differential systems subject to point delays may be characterized with sets of precise...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Coordinated Transmission of Interference Mitigation and Power Allocation in Two-User Two-Hop MIMO Relay Systems" ppt

Hóa học - Dầu khí

... that of the MMSE-CBF This is mainly because the most of CCI is concentrated on the (2) direction of the principal eigenvector of Rk,CCI in a highly correlated channel In this case, the most of ... relay system, where one is served through a relay and the other is served directly from the BS (We consider a simple scenario of two hops, which is most attractive in practice because the system ... identity matrix; E{·} stands for the expectation operator System Model Consider the downlink of a two-user two-hop MIMO relay system with the use of half-duplex decode and forward (DF) protocol as shown...
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Báo cáo nghiên cứu khoa học

Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS2" pdf

Công nghệ - Môi trường

... demonstration project Outputs of this research will include the creation of hydroponic systems for tropical areas, determination of suitable nutrient solutions and evaluation of Vietnam’s coir dust ... targeted system improvements and 3) Enhance Vietnamese research, development and extension capacity in the areas of protected cropping systems, postharvest management and quality assurance systems ... Institute of Fruit and Vegetables with Hue University of Agriculture and Forestry and the Institute of Agricultural Sciences for South Vietnam the major Vietnamese project partners NSW Department of...
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Báo cáo nghiên cứu khoa học

Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS3 " pot

Báo cáo khoa học

... of this project are to: Facilitate the wider implementation and adoption of protected cropping systems of low to medium technology (greenhouses/nethouses) that require fewer chemical inputs through ... farmers will be fostered throughout the life of the project to facilitate rapid adoption of project outputs 5.3 Capacity Building Capacity building has been the focus of much of the project activities ... Institute of Fruit and Vegetables with Hue University of Agriculture and Forestry and the Institute of Agricultural Sciences for South Vietnam as the Vietnamese project partners NSW Department of Primary...
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Báo cáo nghiên cứu khoa học

Báo cáo nghiên cứu khoa học " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems - MS6 " pptx

Báo cáo khoa học

... of this project are to: Facilitate the wider implementation and adoption of protected cropping systems of low to medium technology (greenhouses/nethouses) that require fewer chemical inputs through ... farmers will be fostered throughout the life of the project to facilitate rapid adoption of project outputs 4.3 Capacity Building Capacity building has been the focus of much of the project activities ... One of the focuses of the current set of trials is to compare field and greenhouse/nethouse production A number of the demonstration trials will take place on farm, facilitating greater uptake of...
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Báo cáo nghiên cứu nông nghiệp

Báo cáo nghiên cứu nông nghiệp " Improving the safety and quality of Vietnamese vegetables through research and capacity building in quality assurance, postharvest management and high technology protected cropping systems " ppt

Báo cáo khoa học

... capacity in the design and utilisation of such systems and the components of such systems eg hydroponic systems in a Vietnamese context The overall objective of this project was to provide Vietnamese ... Table 1: Heavy metal analysis of eight samples of compressed coir bricks of different origin * - limits of detection) The Mekong company currently produces a range of coir finished products for ... hydroponic system at FAVRI – hydroponic system she has constructed This April 2007 is her second crop using this system April 2007 Photo The hydroponic system at FAVRI – Photo 10 The hydroponic system...
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Báo cáo hóa học:

Báo cáo hóa học: " Design and Realization of a New Signal Security System for Multimedia Data Transmission" ppt

Báo cáo khoa học

... signal of length N Operation Multiplication Addition/subtraction Condition test or Step Equation (3) of Step Equation (4) of Step Equation (5) of Step Equation (6) of Step Equation (7) of Step ... of µ and x(0) of the logistic map, the number of possible encryption results is 217N/8 if the TDCEA is applied to a signal of length N Proof Since it requires 17N/8 bits to encrypt a signal of ... the software simulation, randomness measurement, and sensitivity analysis of parameters in the proposed system In Section 4, we illustrate the hardware design and realization of the proposed system...
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Báo cáo y học:

Báo cáo y học: "Vitamin supplementation for prevention of mother-to-child transmission of HIV and pre-term delivery: a systematic review of randomized trial including more than 2800 women" potx

Báo cáo khoa học

... countries: prevention of sexual transmission of HIV-1 through education for women of childbearing age, especially very young women; access to HIV-1 testing and reduction of unwanted pregnancies ... Selecting and appraising studies for a systematic review Ann Intern Med 1997, 127(7):531-537 Altman DG: Systematic reviews of evaluations of prognostic variables In: Systematic reviews in Healthcare, ... addressed the effect of Vitamin A and multivitamins on childhood mortality Methods With the aid of an information specialist, we (EM, PW) performed a systematic, all language search of the following...
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Báo cáo khoa học:

Báo cáo khoa học: " Comparisons of Sampling Procedures and Time of Sampling for the Detection of Salmonella in Danish Infected Chicken Flocks Raised in Floor Systems" pptx

Báo cáo khoa học

... Comparison of results of sampling of 26 Salmonella infected broiler flocks at weeks of age, and at slaughter age by pairs of sock samples No of Salmonella positive samples at slaughter age No of Salmonella ... infection status of all commercial Danish chicken flocks The analytical unit of this study was the Salmonella-infected flock, defined as a group of chickens of the same age, raised in a floor system in ... detection of Salmonella ISO 6579: 1993(E), 1-16 1993 Anonymous: Microsoft Access, version 97, 19891997 Microsoft Corporation 1997a Anonymous: Microsoft Excel 97 SR-2 1985-1997 Microsoft Corporation...
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Báo cáo khoa học:

Báo cáo khoa học: " Effectiveness of polymyxin B-immobilized fiber column in sepsis: a systematic review" pps

Báo cáo khoa học

... mortality, are outcomes of clinical interest [25] Therefore, the primary objective Page of 12 (page number not for citation purposes) of this systematic review is to describe the effect of PMX-F on blood ... pressure of oxygen/fraction of inspired oxygen Page of 12 (page number not for citation purposes) Critical Care Vol 11 No Cruz et al Table Selected sensitivity analysis No of studies No of patients ... results of only a fraction of the patients treated with PMX-F have been published The results of any review are also inherently limited by the quality of the primary studies For the outcomes of dopamine/dobutamine...
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Báo cáo y học:

Báo cáo y học: "Systematic overestimation of gene gain through false diagnosis of gene absenc" pps

Báo cáo khoa học

... 60% The extent to which recognition of such remnants will decrease estimates of the rates of gain of genes by LGT and increase estimates of the gene content of species’ ancestors will depend on ... most quantitative treatments of gene loss in evolution avoid this question altogether Moreover, in recombinogenic species, the possibility of exchange of remnants of inactivated genes between ... principal source of between-strain sequence variation [22], it should seldom be possible to reconstruct the loss of an individual gene as a linear process of decay These problems are of practical...
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Báo cáo y học:

Báo cáo y học: " Epigenetic transmission of piRNAs through the female germline" docx

Báo cáo khoa học

... between positions 10 and 11 of the guide antisense piRNA, generating the 5’ end of a sense Ago3-associated piRNA The mature sense piRNA is capable of guiding cleavage of the antisense transposon ... additional copies of the original antisense piRNA This pathway generates a pool of piRNAs that can guide degradation of retrotransposon mRNA The anti-mobile element activity of Piwi proteins and ... [5] The number of piRNAs in maternal ovaries was comparable with that in the early embryos, underlining the large scale of transmission of this maternal information A comparison of ovarian piRNA...
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Application of knowledge based fuzzy inference system on high voltage transmission line maintenance

Application of knowledge based fuzzy inference system on high voltage transmission line maintenance

Luận văn báo cáo - ngoại ngữ

... still air loads, extreme wind loads, ice loads, loads during erection and maintenance, and the changing of conductor sag when the conductor expands and contracts with normal daily current loads [5] ... Review of Inspection and Maintenance Methods 53 3.3.1 McMahon Survey of Inspection Practice of Australian and New Zealand Utilities 54 3.3.2 CIGRE Survey of Utility Assessment of Existing ... operation of a power system A transmission line system consists of the following major components:  Tower or structure  Foundations  Conductors and earth wires  Insulators Each of the components...
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The Design and Implementation of a Log-Structured File System

The Design and Implementation of a Log-Structured File System

Quản trị mạng

... different file system workloads are common in computer applications One of the most difficult workloads for file system designs to handle efficiently is found in of ce and engineering environments Of ce ... found in most other file systems Log-structured file systems The fundamental idea of a log-structured file system is to improve write performance by buffering a sequence of file system changes in the ... shows the relative importance of the various kinds of data written to disk, both in terms of how much of the live blocks they occupy on disk and in terms of how much of the data written to the log...
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A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems

A Study of Channel Estimation for OFDM Systems and System Capacity for MIMO-OFDM Systems

Công nghệ thông tin

... Synchronization of OFDM systems 38 2.2.5 Advantages and disadvantages of OFDM systems 39 2.3 MIMO systems 40 2.3.1 Basic MIMO system model 40 2.3.2 Functions of MIMO systems ... describes the basic OFDM system model and MIMO system model The wireless channel model, the principles of OFDM and MIMO systems, the combination of MIMO and OFDM, that is, MIMO-OFDM system is also ... the channel estimation for OFDM systems and system capacity for MIMO-OFDM systems, this chapter briefly introduces the background of OFDM systems and MIMO systems OFDM is an effective technology...
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PERFORMANCE OF A COMBINED CONSTRUCTED WETLAND SYSTEM FOR TREATING VILLAGE SEWAGE IN LAKE DIANCHI VALLEY

PERFORMANCE OF A COMBINED CONSTRUCTED WETLAND SYSTEM FOR TREATING VILLAGE SEWAGE IN LAKE DIANCHI VALLEY

Môi trường

... objective: (1) the long term performance of demonstration system treatment of village sewage (2) the performance of demonstration systems when suffering the impulse load of stormwater and its effect on ... The overlook of completed constructed wetland system was shown in Fig - 50 - Journal of Water and Environment Technology, Vol.2, No.2, 2004 Fig The overlook of constructed wetland system Operation ... removal performance of the constructed wetland system over 430 days operation The mean removal rates of total nitrogen, ammonia-nitrogen, total phosphorus and COD in the demonstration system were 89.9%,...
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