Results 71 to 80 of about 2,646,104 (204)

Acid-etching fracturing law of multi-stage alternating injection in limestone reservoirs

Youqi dizhi yu caishoulu
The majority of limestone reservoirs in China are characterized by deep burial， low porosity， and low permeability and are influenced by factors such as elevated temperatures， high closure pressures， and strong heterogeneity.
LU Yixin, QI Ning, ZHOU Shunming, WANG Zhuanzhuan, LI Xuesong, SU Xuhang, WANG Liangliang   +6 more
doaj   +1 more source

Physical Model Test on Conductivity of Acid-etched Fracture of Large-scale Rock Sample and Laser Scanning

Shiyou jixie, 2017
At present, the core size for the experimental study on the conductivity of acid-etched fracture is too small, which results in limited etching distance.
Liu Yang, Yuan Xuefang, Wang Jingbo, Liu Ju, Xiong Yongfu, Wang Rong   +5 more
doaj  

Evaluation of resin penetration depth in enamel surface for orthodontic bonding exposed to five types of enamel conditioning methods: A scanning electron microscopic study

Journal of Pharmacy and Bioallied Sciences, 2019
Aims and Objectives: To evaluate the enamel surface depth of resin penetration for orthodontic bonding when exposed to five types of enamel conditioning methods using scanning electron microscope.
D Pawan Kumar Bhandari, Gobichettipalayam J Anbuselvan, Muthukumar Karthi   +2 more
doaj   +1 more source

Etching of the Relocated American House by Bernhardt Wall

, 2023
This print features an etching by Bernhardt Wall. This print was created in 1934. This etching features the American House, Carlinville, Illinois.https://scholarsjunction.msstate.edu/fvw-prints/2000/thumbnail ...
etching by Bernhardt Wall (American, 1872-1956)
core  

Influence of Different Enamel Pretreatment on Bond Strength of Fissure Sealant

Acta Stomatologica Croatica
Objective: The aim of this in vitro study was to evaluate the bond strength of a resin composite fissure sealant to enamel which was pre-treated with different laser pulse modes and additional acid etching. Materials and Methods: Forty-two healthy molars
Dafina Doberdoli, Hrvoje Jurić
doaj   +1 more source

Etching of Confederate Prison in Washington, D.C. by Bernhardt Wall

, 2023
This print features an etching by Bernhardt Wall. This print was created in 1939. This etching is entitled Confederate Prison, Washington, D.C.
etching by Bernhardt Wall (American, 1872-1956)
core  

Influence of the C4H6O6 Concentration in the (NH4)2Cr2O7-HBr-C4H6O6 Composition on the Chemical-Dynamic Polishing of the III-V Semiconductors

Фізика і хімія твердого тіла, 2017
The paper presents the results of experimental determination of the influence of the initial concentration of tartaric acid on the features of the chemical interaction of InAs, InSb, GaAs and GaSb with (NH4)2Cr2O7-HBr-C4H6O6 etching solutions.
I. V. Levchenko, I. B. Stratiychuk, V. M. Tomashyk, G. P. Malanych   +3 more
doaj   +1 more source

Etching Glass with Hydrofluoric Acid [PDF]

Scientific American, 1912
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openaire   +2 more sources

Etching of The Brewster House in Freeport, Illinois

, 2023
This print features an etching by Bernhardt Wall. This print was created in 1929 and is entitled The Brewster House, Freeport, Ill., where Lincoln stopt on Aug. 27th, 1858.
etching by Bernhardt Wall (American, 1872-1956)
core  

Advances in Morphology Control of Through-Glass via Wet Etching for High-Performance Glass-Based Packaging

Micromachines
Through-glass vias (TGVs) are important high-aspect-ratio structures for glass-based advanced integration, and their wet-etching morphology significantly influences metallization quality, electrical performance, and reliability. This review establishes a
Qi Zhang, Houtong Liu
doaj   +1 more source