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News Article | February 22, 2017
Site: www.prweb.com

Koch General Engineering is set to launch after recently incorporating. Koch General Engineering is a San Diego-based small business that focuses on public works, residential and commercial construction. “We provide top-quality asphalt and concrete service,” said Jeffrey Briggs, co-owner of Koch General Engineering. Services include asphalt slurry work, freeway paving, ADA-compliance paving, grading, concrete paving, asphalt patching and more. The mission of Koch General Engineering is to exceed its customer’s expectations. “We partner with our customers in government and industry to provide engineering and construction solutions that enhance the delivery and quality of the projects we do in the communities in which we serve,” said Monty Koch, Operating Managing Owner of Koch General Engineering and a third-generation contractor. Koch began his career working for his father’s company, washing dump trucks and working his way through the ranks as a laborer, bridge carpenter, operating engineer, plant mechanic, asphalt foreman and general superintendent for several prominent San Diego construction companies. He later became the Responsible Managing Owner for Koch-Armstrong, a General Engineering Company that operated for the last 18 years. “The marriage of field and estimating expertise allows Koch General to provide a wide range of resources and the knowledge needed to complete all facets of any project,” concluded Briggs. “Monty and our other foremen have supervised jobs for clientele including public/government agencies as well as private entities ranging from small backyard jobs to huge commercial and public works projects.” About Koch General Engineering Koch General Engineering specializes in irrigation, drainage, water power, water supply, flood control, river control and reclamation works, highways, streets and roads, parks, playgrounds and other recreational works, land leveling and earthmoving projects, excavating, grading, trenching, synthetic turf field, horse racing tracks and paving. It mainly performs work in the County of San Diego, but does venture into surrounding areas. Koch General Engineering is the only experienced local contractor to place central Mix REAS (Rubberized Emulsion Asphalt Slurry). For more information, please call (619) 561-2005, or visit http://www.kochge.com. About the NALA™ The NALA offers small and medium-sized businesses effective ways to reach customers through new media. As a single-agency source, the NALA helps businesses flourish in their local community. The NALA’s mission is to promote a business’ relevant and newsworthy events and achievements, both online and through traditional media. For media inquiries, please call 805.650.6121, ext. 361.


PubMed | General Engineering Company, Affiliated Hospital of Guiyang Medical College and AmCellGene Co.
Type: Journal Article | Journal: Experimental and therapeutic medicine | Year: 2016

Inflammation-associated overproliferation of pulmonary artery smooth muscle cells (PASMCs) is considered to be involved in the pathogenesis of pulmonary hypertension (PH). The administration of mesenchymal stem cell-conditioned media (MSC-CM) has displayed benefits in the treatment of PH, however, the exact mechanism has yet to be elucidated. The present study aimed to determine whether MSC-CM is able to suppress overproliferation of PASMCs in PH via immunoregulation. By the administration of MSC-CM to monocrotaline (MCT)-induced PH rats, and the development of an


Thatte M.,Bharati Vidyapeeth Medical College | Vaze D.,General Engineering Company
African Journal of Paediatric Surgery | Year: 2014

Pancreaticoduodenal injuries are rare in children. They pose challenges for the treating surgeon in decision making with respect to diagnosis, surgical and post-surgical management. The management plan must be tailored to the nature and severity of trauma, patient profile, surgeon′s expertise and the resources available at surgeon′s disposal. We describe a pancreaticoduodenal injury in 3-year-old child with successful outcome and follow-up of a decade.


Al-Ahmar R.,General Engineering Company | Al-Samara M.,Damascus University
International Journal of Structural Engineering | Year: 2015

Many countries still adopt the seismic design approach in UBC97 for RC special moment-resisting frame buildings (SMRFs), which suggests a fixed value of the seismic response modification factor R of 8.5 for all types of SMRFs. This paper investigates, using two case studies comprising 25 numerical analyses, the R factor for SMRFs by performing pushover analysis and focusing on the effect of the number and span of bays and the number of stories. The analysis results show that the R factor is significantly dependent on the number of stories in which it decreases with the increase in the number of stories. Conversely, the number and length of bays had insignificant effect on R in comparison to the number of stories. The calculated R values range from 5 to 12. Thus, the results suggest that the use of a fixed value for R could result in unsafe or uneconomic building designs. Copyright © 2015 Inderscience Enterprises Ltd.


Li Z.-Y.,General Engineering Company
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology | Year: 2015

Based on transverse integration discrete ordinate equation, the relationship between transverse integrated outgoing and incoming flux was analytically obtained in this paper, and with transport nodal neutron balance equation analog to nodal diffusion method, an effective nodal discrete ordinate numerical iteration strategy was obtained. Numerical results indicate that the method given in this paper is feasible and the results are reliable. In addition, the widely used coarse mesh finite difference (CMFD) acceleration technique is adopted in nodal discrete ordinate method and provides good result. ©, 2015, Atomic Energy Press. All right reserved.


Li Z.-Y.,General Engineering Company
Yuanzineng Kexue Jishu/Atomic Energy Science and Technology | Year: 2014

Nodal method is widespread used in reactor core diffusion code, but as nodal method adopting coarse mesh in order to speedup calculation, so it causes cusping effect. Cusping effect would affect some reactor core diffusion relevant calculation result. In this paper, the partial inserted rod intro-node cross section in nodal method transverse integration equation was explicitly represented, i.e. node axial position dependent cross section step function was introduced. Numerical results indicate the method greatly improves the control rod differential worth deviation of cusping effect, in particular nearly completely eliminates the control rod relevant kinetic problem's deviation of this effect. ©, 2014, Atomic Energy Press. All right reserved.


Xiao B.,Worcester Polytechnic Institute | Wang Q.,General Engineering Company | Wang G.,Worcester Polytechnic Institute | Sisson Jr. R.D.,Worcester Polytechnic Institute | Rong Y.,Worcester Polytechnic Institute
Applied Thermal Engineering | Year: 2010

To predict the microstructures, residual stresses and distortions in the heat treated metal components, it is important to accurately know the heat transfer coefficients (HTCs) between the hot work piece and cooling media. In this paper, a new method is presented to accurately determine the node-based HTC distribution by coupling computational fluid dynamics (CFD) with optimal weight functions and scale factors. With this new method, the predicted temperature profile of the work piece during quenching (rapid cooling) is in excellent agreement with experimental measurements. This new method can be also applied to accurately predict convection heat transfer in thermal equipment such as heat exchangers and refrigerators, building thermal design and other heat transfer related situations. © 2010 Elsevier Ltd. All rights reserved.


Fu G.-W.,General Engineering Company
Petrochemical Equipment | Year: 2011

A residue hydrogenation reactor has the characteristic of high temperature, high pressure and hydrogen service. The safe and stable operation of the system is directly effected by sealing quality of the manhole flange. The main points of the manhole flange installation for the residue hydrogenation reactor have been summarized by the theory analysis and practical operation.


Mammeri M.,General Engineering Company | Dhuicq B.,General Engineering Company
2013 IEEE Grenoble Conference PowerTech, POWERTECH 2013 | Year: 2013

The paper presents the challenges of the construction of extra-long high power underground cable transmission lines. Economical approach has pushed to increase cable lengths per shipping drum; the technical obstacles to be overcome and the performances required as a result of the increase in potential stresses applied to the screen insulation are shown. Different novelties in bonding diagram such as 'direct cross bonding' are explained, highlighting their benefit as well as their prerequisites and drawbacks. The use of longer shipping lengths as well as of 'direct cross bonding' method supposes that an accurate and thorough study of the electrical stress applied to joint shield break is carried out as part of the basic design of the link. The authors give practical experience with direct cross bonding. The increasing use of VSC (Voltage Source Converter) Technology is encouraging the use of synthetic insulated cables and both long submarine and underground links are being considered and actively implemented. Space charge formation under d.c. stress is certainly the major concern. A successfully test qualifications according to CIGRE recommendations TB 219 and currently to TB 496 have been performed on a full cable system. The tests were conducted for a nominal voltage U= 320 kV. © 2013 IEEE.


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