scholarly journals DESAIN EKSPERIMEN PENGARUH PENAMBAHAN WATER PROOFING TERHADAP NILAI KUAT TEKAN BETON

2020 ◽  
Vol 20 (1) ◽  
pp. 41
Author(s):  
Asep Rahmatullah ◽  
Dedy Khaerudin
Keyword(s):  
Water Proofing

Treated Textile Electrostatic Properties Study

2020 ◽  
Vol 992 ◽  
pp. 439-444
Author(s):  
I.V. Cherunova ◽  
S.S. Tashpulatov ◽  
S.V. Kurenova
Keyword(s):  
Experimental Studies ◽  
Material Structure ◽  
Ministry Of Education ◽  
Research Results ◽  
Textile Materials ◽  
Electrostatic Properties ◽  
Film Forming ◽  
Study Results ◽  
Water Proofing ◽  
Textile Fabric

In the article research results are presented, which aim to provide treated textile electrostatic properties study. In the article research results are presented, which aim to provide find out abilities of an anti-electrostatic treatment and binding agents for it in treatment of special textile materials and their dependance from modes of operating textile washing. Results of determine a composition and abilities of a functional impregnation; develop a method to study values of electrostatic field for tribocharging conditions of textile materialsare; experimental studies of electrostatic values of materials with functional treatment depending on operating washing modes also presented here. Study results allowed to establish efficiency of the proposed combination of anti-electrostatic active composition based on 5 % solution of dialkyldimethylammonium chloride with a binding agent with the effect to preserve the treatment in the material structure and content of which is 4 % in application of textile fabric with widely used fiber content (cotton 53 %, polyester + oil and water-proofing finish). Acrylic dispersion is stable film-forming component suitable in preserving anti-electrostatic treatment on the surface of a textile material. The research was made in Don State Technical University within the framework of State Assignment of the Ministry of education and science of Russia under the project 11.9194.2017/BCh.

scholarly journals Role of tunica vaginalis interposition layer in hypospadias surgery

2006 ◽  
Vol 39 (02) ◽  
pp. 152-157
Author(s):  
Handoo Yog Raj
Keyword(s):  
Suture Line ◽  
Vascular Supply ◽  
Common Complication ◽  
Tunica Vaginalis ◽  
Cutaneous Fistula ◽  
Impaired Wound Healing ◽  
Fistula Rate ◽  
Water Proofing ◽  
Hypospadias Surgery

ABSTRACTHypospadias surgery has evolved with more than 150 procedures for surgical correction of single anomaly .urethro-cutaneous fistula continues to be single most common complication of regardless of location of meatus, procedure performed and experience of surgeon. Every effort goes in prevention of this complication including overlapping suture line. Two stage repair, burying repaired urethra in scrotum, dartose flap. Parietal layer of tunica vaginalis from testis as a water proofing layer over reconstructed neo urethra decreasing fistula rate. Unlike dissection of dartose layer which can damage blood supply of overlying skin with impaired wound healing, tunica vaginalis brings vascular supply from outside source hence helping in healing of suture line of neo-urethra. Study of effectiveness of tunica vaginalis flap covering different hypospadias procedures in 126 cases over 6 years is presented with inference of significant decrease of urethra-cutaneous fistula rate.

Testing reflective insulation for improvement of buildings energy efficiency

2012 ◽  
Vol 2 (1) ◽  
Author(s):  
Michalis Vrachopoulos ◽  
Maria Koukou ◽  
Dimitris Stavlas ◽  
Vasilis Stamatopoulos ◽  
Achilleas Gonidis ◽  
...  
Keyword(s):  
Building Materials ◽  
Educational Institution ◽  
Vertical Wall ◽  
Experimental Chamber ◽  
Insulation Material ◽  
Heating And Cooling ◽  
Heat Insulation Material ◽  
Wall Construction ◽  
Water Proofing ◽  
Materials Used

AbstractReflective insulation stands as an alternative to common building materials used to reduce a building’s heating and cooling loads. In this work, an experimental prototype chamber facility has been designed and constructed at the campus of the Technological Educational Institution of Halkida, located in an area of climatic zone B in Greece, aiming to the evaluation of reflective insulation’s performance. Reflective insulation is a part of the test room wall construction, specifically, heat insulation material of the vertical wall construction all directions (North, South, East, West), and temperature and water proofing element of the roof. Measurements were obtained for both winter and summer periods. Results indicate that the existence of reflective insulation during summer period averts the overheating at the interior of the experimental chamber, while during winter the heat is retained in the chamber.

THE WATER PROOFING OF STRAIN GAUGES

Strain ◽  
1967 ◽  
Vol 3 (2) ◽  
pp. 24-27
Author(s):  
H. Y. WONG
Keyword(s):  
Strain Gauges ◽  
Water Proofing

scholarly journals Waterproof Aerated Bricks from Stone Powder Waste through Nano-TiO2 Structured Hydrophobic Surface Modification

2019 ◽  
Vol 9 (13) ◽  
pp. 2619 ◽  
Author(s):  
Tao Li ◽  
Shaopeng Zeng ◽  
Yaxiong Ji ◽  
Boxu Shen ◽  
Zhuangmiao Wang ◽  
...  
Keyword(s):  
Contact Angle ◽  
Large Scale ◽  
Aqueous Suspension ◽  
Hydrophobic Surface ◽  
Great Promise ◽  
Mold Growth ◽  
Nano Tio2 ◽  
Hydrothermal Reactions ◽  
Negative Impacts ◽  
Water Proofing

To eliminate the negative impacts of waste stone powder that arises from stone processing, the waste was recycled into aerated bricks with a porous structure that exhibited exceptional properties when applied in buildings. However, the pores easily absorb rainwater and dust, causing performance degradation and mold growth inside. In this paper, we have developed through hydrothermal reactions an environmentally friendly aqueous suspension, containing homemade highly dispersive TiO2 nanoparticles modified with super-hydrophobic groups on the surface. The suspension was coated onto the aerated bricks, creating a super-hydrophobic surface with a highly textured hierarchical structure. A large contact angle of 146° tested on the surface and negligible water absorption for 24 h immersion demonstrate the excellent water proofing performance, holding a great promise for large scale applications in construction and buildings.

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