supported by the National Natural Science Foundation of China(12226006,11921001);the Natural Key Research and Development Program of China(2018YFA0704701).
In 1694,Gregory and Newton proposed the problem to determine the kissing number of a rigid material ball.This problem and its higher dimensional generalization have been studied by many mathematicians,including Minkow...
Kissing molars (KMs) is a condition of occlusal molar surfaces in a single follicular space with roots extending in opposite directions. Here, we have reported a case of KMs in a 58-year-old woman. The patient complai...
This study was co-supported by the National Key Research and Development Program,China(No.2018YFA0707300);the National Natural Science Foundation of China(Nos.51974278 and 52205406);China Post Doctoral Science Foundation(No.2023M732572);the Key Science and Technology Project of Shanxi Province,China(No.20191102009);the Fundamental Research Program of Shanxi Province,China(No.202203021212289).
Based on twin-roll casting technology and multi-roll groove rolling technology,a Multi-Roll Solid-Liquid Cast-Rolling Bonding(MRSLCRB)process was proposed to fabricate Cu/steel cladding bars,which processes the advant...
Kissing molars (KMs), first reported by Van Hoof in 1973, refer to molars with occlusal surfaces that contact each other in a single follicular space while their roots extend in opposite directions. This is a case of ...
Double kissing(DK)crush stenting for coronary bifurcation lesions has gain popularity worldwide because of its superior randomized studies data and excellent clinical outcomes.This review evaluates all DK crush clinic...
Bifurcation lesions are encountered and treated in up to 1 in 5 cases of percutaneous coronary intervention(PCI).Such lesions pose a technical challenge to PCI,leading to lower procedural success and a higher rate of ...
BACKGROUND A post-bulbar duodenal ulcer(PBDU)is an ulcer in the duodenum that is distal to the duodenal bulb.PBDU may coexist with a synchronous posterior ulcer in rare occurrences,resulting in a kissing ulcer(KU).Duo...
Supported by Strategic Cooperation Project between Sichuan University and Luzhou Municipal Government,No. 2018CDLZ-14;Aba Tibetan and Qiang Autonomous Prefecture Science and Technology Bureau,No. 21YYJSYJ0052
BACKGROUND Kissing molars(KMs)are a scarcely reported form of molar impaction in which the occlusal surfaces contact each other within a single dental follicle and the roots point in opposite directions.The direction ...
BACKGROUND Paraquat is an effective,broad-spectrum,highly toxic quaternary ammonium herbicide.Paraquat poisoning has been reported frequently in recent years.It has severe lung,kidney,liver,and nervous system toxicity...