论文部分内容阅读
自然界有许多致命的掠食者，有些给人深刻印象，有些则已灭绝。但还有一些鲜为人知的食肉动物可能被人们低估或忽视，它们的捕猎技巧手非常神奇，是专家级杀手。以下是10种被低估的掠食者。
被低估的掠食者
【摘 要】
：
自然界有许多致命的掠食者，有些给人深刻印象，有些则已灭绝。但还有一些鲜为人知的食肉动物可能被人们低估或忽视，它们的捕猎技巧手非常神奇，是专家级杀手。以下是10种被低估的掠
【机 构】
：
不详
【出 处】
：
初中生学习：新概念中考
【发表日期】
：
2011年9期
其他文献
Acute liver failure due to natural killer-like T-cell leukemia/lymphoma: A case report and review of
Acute liver failure (ALF) is a medical emergency requiring immediate evaluation for liver transplantation. We describe an unusual case of a patient who presente
Co-localization hypothesis: A mechanism for the intrapancreatic activation of digestive enzymes duri
Acute pancreatitis is generally believed to be a disease in which the pancreas is injured by digestive enzymes that it normally produces. Most of the potentiall
Signal transducers and activators of transcription 3 mediates up-regulation of angiotensin Ⅱ-induced
Backgroud Angiotensin Ⅱ (Ang Ⅱ), a principal effector of renin-angiotensin system (RAS) and increased in aging tissues, can stimulate JAK/STAT pathway via the
Delayed gastric emptying is associated with pylorus-preserving but not classical Whipple pancreatico
Pylorus-preserving pancreaticoduodenectomy (PPPD)is nowadays considered the treatment of choice for periampullary tumors, namely carcinoma of the head,neck, or
应对全球气候变化,减少CO2排放,促进低碳经济发展,科学技术是主要的支撑手段。低碳技术发展受到世界各国的青睐,只有不断提高科技创新能力和水平,大力研发和推广低碳技术,才
The prokaryotic and eukaryotic cells of the colon exist in a highly complex, but harmonious relationship. Disturbances in this remarkable symbiosis can result i
Effects of Phenylacetate on Cell Proliferation and Homeobox Genes Expression in the HCT-8 Colorectal
To study the effects of phenylacetate ( PA ) on cell proliferation and homeobox (HOX) genes expression in the colorectal carcinoma HCT-8 cell line, HCT-8 cells
Clinical analysis of propofol deep sedation for 1,104 patients undergoing gastrointestinal endoscopi
AIM: To analyze the hemodynamic and respiratory effects of propofol on patients undergoing gastroscopy and colonoscopy.METHODS: In this prospective study, condu
Changes of nitric oxide and endothelin, thromboxane A2 and prostaglandin in cirrhotic patients under
AIM: To investigate the perioperative changes of nitric oxide (NO) and endothelin (ET), thromboxane A2 (TXA2) and prostaglandin (PGI2) during liver transplantat