It has been suggested that cancer stem cells (CSCs), which represent a subset of tumor cells, are responsible for the possible origination and maintenance of tumors. Moreover, CSCs are believed to be the main cause of progression to metastasis and recurrence of cancer because of their tumor-in...
谢弗的代表作就是他1987年出版的《考古材料的形成过程》一书(Formation Processes of Archaeological Record)。谢弗注意到不是所有的人类遗存都原封不动地保存下来,物质材料从人类的行为状态(systemic context,简称S)到考古材料状态(archaeological context,简称A)会经历一系列的改造过程:S→S(反复利用的过程)、S→A(废...
1. 2手术方法气管插管全麻,患者俯卧位,胸部及骨盆处垫枕,使患者脊柱过伸,并行过伸体位复位。调整C型臂X线机,使其正位显示患椎上下终板呈一线影,同时双侧椎弓根与棘突等距;侧位显示终板、椎弓根上下缘呈一线影。C型臂X线机透视监测下经双侧椎弓根穿刺。进针点选择和方向:正位位于椎弓根影外上缘进针,侧位...
3. regulates the transport of nutrients; promotes fruit formation, etc. Application plants 1. Increase the size of kiwifruit, table grapes and peaches; 2. Promote fruit set in melons, pumpkins and cucumbers; 3.Promote branching in apples 4.Increase yield in potat...
Lycopene can deeply remove vascular garbage, regulate plasma cholesterol concentration, protect low-density lipoprotein (LDL) from oxidation, repair and improve oxidized cells, promote the formation of intercellular glia, and enhance the flexibility of blood vessels.3. Protect skin...
Formation Mechanism Conversion Type, Curing Packaging Carton, Plastic Bag + Carton+ Pallet etc. Transport Package Carton Package Specification 20kg/carton Trademark PURDA Origin China HS Code 390799 Production Capacity 200 Tons/Month Product Description Product Details ...
[14]SHAO C J, LI F Y, LI Y, et al.Sliding mechanism of Maoxian landslide and geological condition analysis of formation of post-earthquake landslide[J]. Journal of Chengdu University of Technology (Science & Technology), 2017,44(4) : 385-402. ...