layer charge
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Langmuir ◽  
2021 ◽  
Author(s):  
Kristoffer W. Bø Hunvik ◽  
Patrick Loch ◽  
Dirk Wallacher ◽  
Alexsandro Kirch ◽  
Leide P. Cavalcanti ◽  
...  

Author(s):  
Xuemei Zhang ◽  
Yuanli Wu ◽  
Zhigang Xie ◽  
Chaosong Kong ◽  
Zhizong Tian

The ice-breaking process of the double-layer charge at a depth of 150 cm underwater is simulated by LS-DYNA. This paper analyzes the load type, shock wave pressure characteristics and propagation behavior of the double-layer charge during underwater explosion. By analyzing the impact of the shock wave pressure in the water under different charge intervals and time intervals on the shock wave pressure of the double charge, it is concluded that the peak pressure of the double charge explosion shock wave is jointly determined by the double charge. In this range, the second peak pressure value of the drug is greater than the pressure value of the first peak of the drug, and the attenuation is slow; the delay time of the upper charge has little effect on the peak pressure value of the shock wave in the water; the delay time is higher than that of the lower charge Initiation, at the same position, the total pressure peak of the shock wave formed by the delay of the upper charge is larger.


Author(s):  
Ihor Sahalianov ◽  
Mehmet Girayhan Say ◽  
Oliya S. Abdullaeva ◽  
Fareed Ahmed ◽  
Eric Glowacki ◽  
...  

Author(s):  
Yating Qin ◽  
Tongjiang Peng ◽  
Hongjuan Sun ◽  
Li Zeng ◽  
Yao Li ◽  
...  

Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1206
Author(s):  
Rattanawadee (Ploy) Wijitwongwan ◽  
Soontaree (Grace) Intasa-ard ◽  
Makoto Ogawa

Layered double hydroxides (LDHs), shown as the general formula of [M2+1−xM3+x(OH)2]x+(An−)x/n∙yH2O, are useful for various applications such as anion exchangers/adsorbents, catalysts and catalysts’ supports, and drug/gene carriers due to their structural, compositional and morphological characteristics and their variation. The x value (M3+/(M2+ + M3+) ratio) in layered double hydroxides (LDHs), corresponding to the layer charge density, is one of the important parameters for controlling the properties of LDHs. The x values in commonly available LDHs are limited (0.2 < x < 0.3). In order to obtain LDHs with x < 0.2, Mg2+ Ga3+–LDHs with interlayer iodide were examined. The linear correlation between lattice parameter a and x value in the products with x of 0.06–0.24 was seen, suggesting the successful substitution of Mg2+ in the brucite-like sheet with Ga3+. Carbonate and dodecyl sulfate types MgGa–LDH were prepared by ion exchange with carbonate anion and reconstruction in aqueous solution of sodium dodecyl sulfate. The products with x of 0.06 were dispersed in water and hexanol better than those with x of 0.24 for MgGa–LDHs containing carbonate and dodecyl sulfate, respectively, suggesting effects of the lower layer charge density on the dispersion.


2021 ◽  
Vol 1855 (1) ◽  
pp. 012027
Author(s):  
Pengfei Zhou ◽  
Rujiang Li ◽  
Yang Liu ◽  
Mengye Jia
Keyword(s):  

2021 ◽  
Author(s):  
Se Hyun Kim ◽  
Geun Taek Yu ◽  
Geun Hyeong Park ◽  
Dong Hyun Lee ◽  
Ju-Yong Park ◽  
...  

An antiferroelectric Mo/Hf0.3Zr0.7O2/SIOx/Si capacitor was engineered using the direct scavenging effect of a sputtered Ti sacrificial layer. Charge trapping could be mitigated with the oxidized TiO2 layer, and the endurance...


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