An investigation of hydraulic fracturing initiation and location of hydraulic fracture in preforated oil shale formations by Lianghao Zhai, Yang Xun, Huanan Liu, Bo Qi, Jinghua Wu, Yafei Wang, Chen Chen

“…The extension behavior of hydraulic fractures cannot be accurately described. …”
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Design and Construction of Hydraulic Press. by Natukunda, Andrew

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THE METHOD OF DESIGNING HYDRAULIC DRIVES ON THE EXAMPLE OF A HYDRAULIC DRIVE OF A LIFTING-MAST DEVICE by S. A. Smirnov, N. A. Gorshkova

“…The classical approach to the design of hydraulic drives includes complex calculations and real tests, which is a resource-consuming process. …”
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Study of operation of spool hydraulic control unit that transmits reduced pressure signal to control hydraulic distributors, control cylinders, parameters of axial piston pumps and hydraulic motors by E. R. Butakova, А. А. Sekacheva, А. S. Noskov

Subjects: “…hydraulic control unit…”
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Modeling and Dynamic Performance Analysis of Hydraulic Top Drive Main Transmission System with Long Hydraulic Pipelines by Yuanling Shi, Pingsong Zhang

“…Its main transmission system was built with hydraulic power source and hydraulic actuators. During the drilling procession, the hydraulic top drive is mounted on a derrick, and moving along its vertical guide rails. …”
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Permeability Enhancement Technology for Soft and Low-Permeability Coal Seams Combined with Hydraulic Perforation and Hydraulic Fracturing by Zhengjie Shang, Zhaofeng Wang, Zhiheng Cheng, Hongbing Wang, Liang Chen, Lei Li, Jianhua Fu, Hao Liu

“…A new permeability-increasing fracturing technique that combines hydraulic perforation and hydraulic fracturing was developed specifically for the geologic conditions of the gas-bearing No. 21 coal seam. …”
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Flexible electro-hydraulic power chips by Chao Zhang, Jionghao Chen, Changyi Xu, Tairan He, Xiaolong Zhang, Junhui Zhang, Ximing Sun, Bing Xu, Yi Zhu, Huayong Yang

“…These electro-hydraulic power chips could be arbitrarily programmed through “line-plane-body” combinations of electro-hydraulic power “diode” or “triode” modules with high output density of 10.77 kPa/g and 2.15 L/min/g, and freely fabricated into the desired shapes and functions via multi-material 3D printing technique. …”
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Hydraulic Considerations for Citrus Microirrigation Systems by Brian Boman, Sanjay Shukla

“… Hydraulics is the study of the behavior of liquids as they move through channels or pipes. …”
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Hydraulic Considerations for Citrus Microirrigation Systems by Brian Boman, Sanjay Shukla

“… Hydraulics is the study of the behavior of liquids as they move through channels or pipes. …”
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Design and Construction of a Hydraulic Lift. by Ndahura, Dickens

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Design and Construction of a Hydraulic Crane. by Twinamasiko, Nicholas

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Hydraulic Power Plant Machine Dynamic Diagnosis by Hans Günther Poll, José Carlos Zanutto, Walter Ponge-Ferreira

“…A method how to perform an entire structural and hydraulic diagnosis of prototype Francis power machines is presented and discussed in this report. …”
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Calculation of Water Supply to Hydraulic Jet Devices by M. V. Krautsou, A. M. Krautsou

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Hydraulic Power Engineering - National Resource of Belarus by S. B. Belyi, V. V. Gerasimov, O. F. Yakushko, P. S. Lopukh, L. P. Batyan, L. D. Burko, P. A. Mitrakhovich

“…The main reason of return to so called «small hydraulic power engineering», involvement of local hydraulic power resources in power balance of the Republic is significant changes of social and economical conditions of management, acute deficit and high price of local and in^orted resources of fuel, oil, gas, electric power, respectively.The paper analyses hydraulic power engineering potential of the Republic of Belarus. …”
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PECULIARITIES OF USING OF HYDRAULIC DRIVE IN PIPE ROLLING by V. I. Timoshpolskij, D. N. Andrianov

“…In the article there is given the overview of possibility of the devices with hydraulic drive application in pipe rolling. There are shown the advantages of such type of drives as compared to the mechanical and electric ones.…”
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Vibration Isolation for Parallel Hydraulic Hybrid Vehicles by The M. Nguyen, Mohammad H. Elahinia

“…In order to study the noise and vibration of HHV, a hydraulic hybrid subsystem in parallel design is analyzed. …”
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Transdisciplinary models of hydraulic drives of mobile machinery by A. V. Puzanov

“…The indicator diagram of the hydraulic machine is a clear characteristic of the dynamic qualities of the product. …”
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