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Open AccessProgress and development of particle jet drilling speed-increasing technology and rock-breaking mechanism for deep well
Increasing drilling speed and efficiency of hard formation for deep and ultra-deep well is one of the international recognized drilling problems and key technologies to be tackled urgently. Particle jet impact...
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Article
Open AccessNeuropilin 1 regulates bone marrow vascular regeneration and hematopoietic reconstitution
Ionizing radiation and chemotherapy deplete hematopoietic stem cells and damage the vascular niche wherein hematopoietic stem cells reside. Hematopoietic stem cell regeneration requires signaling from an intac...
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Article
Oxygen vacancy promising highly reversible phase transition in layered cathodes for sodium-ion batteries
Phase transition is common during (de)-intercalating layered sodium oxides, which directly affects the structural stability and electrochemical performance. However, the artificial control of phase transition ...
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Article
Mathematical Model and Experimental Investigation of Bit-Bounce in Horizontal Oil Well Drillstring
The bit-bounce is detrimental to the service life of drillstring and bit. This study highlights the influence of axial excitation and torsional excitation on the bit-bounce in horizontal well. Because of the c...
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Article
Open AccessPTPσ inhibitors promote hematopoietic stem cell regeneration
Receptor type protein tyrosine phosphatase-sigma (PTPσ) is primarily expressed by adult neurons and regulates neural regeneration. We recently discovered that PTPσ is also expressed by hematopoietic stem cells...
