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Study on Quenching of Engine Cylinder Block by YAG Laser

Zhang Guoshun,Zhang Taishi,Yang Zhaoxia,Zhang Jian,Li Hefen,Zhao Aiguo

Strategic Study of CAE 2001, Volume 3, Issue 3,   Pages 68-70

Abstract: In computer controlling system, the concept of horizontal diamond number and vertical diamond number

Keywords： YAG laser quenching     engine cylinder     vertical diamond number     horizontal diamond number     local densified    

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Experimental study on heat transfer characteristics of supercritical carbon dioxide in horizontal tube

LV Jing, FU Meng, QIN Na, DONG Bin

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 339-343 doi: 10.1007/s11708-008-0045-y

Abstract: heat transfer characteristics of supercritical carbon dioxide in a horizontal tube with water in the verticalThe variations of Reynolds number and Prandtl number were obtained in counter flow and vertical cross

Keywords： conventional     experimental condition     vertical     Reynolds number     transfer    

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The Speedy Development of Artificial Diamond Industry in China

Liu Guangzhi

Strategic Study of CAE 2000, Volume 2, Issue 5,   Pages 31-33

Abstract:

This paper reviews the developing course of artificial diamond after the discovery of natural diamondThe yearly production of artificial diamond of China has been broke 5 × 108cts at 1999

Keywords： artificial diamond     artificial diamond film     Carbon (Carbonado)     poly-crystalline diamond    

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Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 325-331 doi: 10.1007/s11465-008-0071-9

Abstract: spatial sampling interval and sampling area for instruments to measure the surface topography of a diamondTo recognize diamond grains, digital filtering is used to eliminate the high frequency disturbance fromthe measured 3D digital surface of the grinding wheel, the geometric features of diamond grains aregrain curvature, and distance between two adjacent diamond grains is proposed.grinding wheel, and the diamond grains are then recognized from the 3D digital surface.

Keywords： topography     frequency disturbance     filtering     analysis     wavelength    

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The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 269-278 doi: 10.1007/s11783-014-0672-y

Abstract: The texture stratification significantly affected the vertical distribution of moisture in the non-irrigated

Keywords： moisture vertical distribution     moisture temporal variation     texture stratification     irrigation     meteorological    

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Ultra-precision ductile grinding of BK7 using super abrasive diamond wheel

ZHAO Qingliang, Brinksmeier Ekkard, Riemer Oltmann, Rickens Kai

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 350-355 doi: 10.1007/s11465-007-0061-3

Abstract: In this paper, a novel conditioning technique using copper bonded diamond grinding wheels of 91 yD grainfirst developed to precisely and effectively condition a nickel-electroplated monolayer coarse-grained diamondUnder optimised conditioning parameters, the super abrasive diamond wheel was well conditioned in termsof a minimized run-out error and flattened diamond grain surfaces of constant peripheral envelope.grinding optical glass featuring nano scale surface roughness, indicating the potential of super abrasive diamond

Keywords： ELID     peripheral     electrolytic in-process     nickel-electroplated monolayer     measurement    

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Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 133-138 doi: 10.1007/s11465-008-0037-y

Abstract: The control system of vertical mixing equipment is a concentrate distributed monitoring system (CDMS)

Keywords： composite     redundancy     monitoring     vertical     technical    

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Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 683-696 doi: 10.1007/s11708-020-0689-9

Abstract: The turbine with an eye-shaped vertical water baffle was developed to evaluate the hydraulic performance

Keywords： vertical axis water turbine     eye-shaped     vertical water baffle     pico hydropower    

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Ophiolite-Hosted Diamond: A New Window for Probing Carbon Cycling in the Deep Mantle Review

Dongyang Lian, Jingsui Yang

Engineering 2019, Volume 5, Issue 3,   Pages 406-420 doi: 10.1016/j.eng.2019.02.006

Abstract:

As reported in our prior work, we have recovered microdiamonds and other unusual minerals, including pseudomorph stishovite, moissanite, qingsongite, native elements, metallic alloys, and some crustal minerals (i.e., zircon, quartz, amphibole, and rutile) from ophiolitic peridotites and chromitites. These ophiolite-hosted microdiamonds display different features than kimberlitic, metamorphic, and meteoritic diamonds in terms of isotopic values and mineral inclusions. The characteristic of their light carbon isotopic composition implies that the material source of ophiolite-hosted diamonds is surface-derived organic matter. Coesite inclusions coexisting with kyanite rimming an FeTi alloy from the Luobusa ophiolite show a polycrystalline nature and a prismatic habit, indicating their origin as a replacement of stishovite. The occurrence in kyanite and coesite with inclusions of qingsongite, a cubic boron nitride mineral, and a high-pressure polymorph of rutile (TiO2 II) point to formation pressures of 10–15 GPa at temperatures ~1300 °C, consistent with depths greater than 380 km, near the mantle transition zone (MTZ). Minerals such as moissanite, native elements, and metallic alloys in chromite grains indicate a highly reduced environment for ophiolitic peridotites and chromitites. Widespread occurrence of diamonds in ophiolitic peridotites and chromitites suggests that the oceanic mantle may be a more significant carbon reservoir than previously thought. These ophiolite-hosted diamonds have proved that surface carbon can be subducted into the deep mantle, and have provided us with a new window for probing deep carbon cycling.

Keywords： Ophiolite-hosted diamond     Coesite     Stishovite     Podiform chromitites     Mantle transition zone    

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Effect of undercut on the lower bound stability of vertical rock escarpment using finite element and

Shuvankar DAS; Debarghya CHAKRABORTY

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 1040-1055 doi: 10.1007/s11709-022-0841-1

Abstract: In the present study, the stability of a vertical rock escarpment is determined by considering the influencechange in stability due to the presence of undercut is expressed in terms of a non-dimensional stability numberundercut offset (H/vu and wu/vu) from the verticalBy performing sensitivity analysis for an undisturbed vertical rock escarpment, we have found that theequation as well as design charts can be useful for practicing engineers to determine the stability of the vertical

Keywords： undercut     vertical escarpment     stability     Hoek-Brown yield criterion     PCP    

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Multi-objective optimization of process parameters in Electro-Discharge Diamond Face Grinding based on

Ravindra Nath YADAV, Vinod YADAVA, G.K. SINGH

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 319-332 doi: 10.1007/s11465-013-0269-3

Abstract: In this paper, a hybrid machining process of Electrical Discharge Face Grinding (EDFG) and Diamond FaceGrinding (DFG) named as Electrical Discharge Diamond face Grinding (EDDFG) have been studied using a

Keywords： hybrid machining processes (HMPs)     electrical discharge diamond grinding (EDDG)     artificial neural network    

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Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 773-783 doi: 10.1007/s11684-021-0902-1

Abstract: The total number of cancer patients who are eligible for and will benefit from immune checkpoint inhibitorsThis cross-sectional study was conducted to estimate the number of Chinese cancer patients with eligibilityThe estimated number of eligible patients annually was 1 290 156 (55.18%), which included 888 738 malesThe estimated number of responders annually was 448 972 (19.20%), which included 309 023 males (20.88%hepatocellular carcinoma (n=277 100, 11.85%) were the top three cancer types with the highest number

Keywords： benefit     China     eligibility     immune checkpoint inhibitor     public health    

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Evacuation strategies for vertical ship lift during initial fire: Integrated application of stairs and

Shu CHEN, Menghan SHANG, Jianping WANG

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 135-147 doi: 10.1007/s42524-020-0125-1

Abstract: Vertical ship lifts (VSLs) are widely used in navigation facilities worldwide because of their efficiencyObjective function corresponding to the minimum vertical evacuation time and related simulation modelThe Three Gorges ship lift was used as an example, and simulation results indicate that number of evacuees

Keywords： vertical ship lift     initial fire     fire evacuation     numerical simulation     stair     elevator    

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Removal of arsenic by pilot-scale vertical flow constructed wetland

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-021-1435-1

Abstract:

• VFCWs are effective for the treatment of arsenic-containing wastewater.

Keywords： Constructed wetland     Arsenic     Removal efficiency     Mass balance    

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Data-driven approach to solve vertical drain under time-dependent loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 696-711 doi: 10.1007/s11709-021-0727-7

Abstract: Currently, the vertical drain consolidation problem is solved by numerous analytical solutions, suchIn the present study, analytical solutions to vertical drains in the literature are incorporated into

Keywords： vertical drain     artificial neural network     time-dependent loading     deep learning network     genetic algorithm    

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Title Author Date Type Operation

Study on Quenching of Engine Cylinder Block by YAG Laser

Zhang Guoshun,Zhang Taishi,Yang Zhaoxia,Zhang Jian,Li Hefen,Zhao Aiguo

Journal Article

Experimental study on heat transfer characteristics of supercritical carbon dioxide in horizontal tube

LV Jing, FU Meng, QIN Na, DONG Bin

Journal Article

The Speedy Development of Artificial Diamond Industry in China

Liu Guangzhi

Journal Article

Recognition of diamond grains on surface of fine diamond grinding wheel

HUO Fengwei, JIN Zhuji, KANG Renke, GUO Dongming, YANG Chun

Journal Article

The effect of texture and irrigation on the soil moisture vertical-temporal variability in an urban artificial

Xiaofeng ZHANG,Xu ZHANG,Guanghe LI

Journal Article

Ultra-precision ductile grinding of BK7 using super abrasive diamond wheel

ZHAO Qingliang, Brinksmeier Ekkard, Riemer Oltmann, Rickens Kai

Journal Article

Reliability analysis of the control system of large-scale vertical mixing equipment

YANG Mingjin, LI Xiwen, LI Shaoping, YANG Shuzi

Journal Article

Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Journal Article

Ophiolite-Hosted Diamond: A New Window for Probing Carbon Cycling in the Deep Mantle

Dongyang Lian, Jingsui Yang

Journal Article

Effect of undercut on the lower bound stability of vertical rock escarpment using finite element and

Shuvankar DAS; Debarghya CHAKRABORTY

Journal Article

Multi-objective optimization of process parameters in Electro-Discharge Diamond Face Grinding based on

Ravindra Nath YADAV, Vinod YADAVA, G.K. SINGH

Journal Article

Estimating the number of Chinese cancer patients eligible for and benefit from immune checkpoint inhibitors

Journal Article

Evacuation strategies for vertical ship lift during initial fire: Integrated application of stairs and

Shu CHEN, Menghan SHANG, Jianping WANG

Journal Article

Removal of arsenic by pilot-scale vertical flow constructed wetland

Journal Article

Data-driven approach to solve vertical drain under time-dependent loading

Journal Article