我们班有一个"小龙女".说她是"小龙女"可真不是夸张,她就是"龙",是勇敢的传人,正义的化身.班级里哪儿出了"事故",她就会出现在哪里. 你听,你听,教室又传来了"小龙女"掷地有声的话语:"你为什么欺负她?" "是她先踩我脚的,我只是小小的反击一下而已."原来是孔同学在犯事. 查看全部>> 年份: 2016 收藏...
目的 探讨恶性黑色素瘤肾上腺转移的临床表现,诊断,治疗及预后.方法 1985-2007年北京协和医院共收治恶性黑色素瘤肾上腺转移者3例,占同期48例恶性黑色素瘤患者的6.25%... 黄钟明,李汉忠,肖河,... - 《中华医学杂志》 被引量: 4发表: 2010年 原发性胃肠道恶性黑色素瘤1例并文献复习 患者无皮肤,眼部等处恶性...
月经初潮是女性由性不成熟的少年转变为性成熟的青年,结束青春初期的标志。是评价个体成熟的重要指标。成熟是指生殖器官的发育程度,而骨骼发育程度又反映:生殖系统的发育和功能状态。因此,骨骼发育程度成了反映身体成熟水平的可靠指标。从科学选材的角度,预测初潮时间不仅可排除早熟而运动成绩暂时领先的少儿被认为是优秀运动...
摘要: 利用绵阳机场最近10年逐时能见度资料,对低能见度的气候特征进行了统计,并对造成低能见度障碍的天气现象和影响系统作了普查分折。结果表明:绵阳机场低能见度有明显的季节变化和闩变化:造成低能见度障碍的天气现象主要是雾。关键词: 气候特征;统计;低能见度 ...
PURPOSE:To improve the naturalness of a synthesized speech by generating a pitch pattern in consideration of the quantity of variation in the pitch frequency of the center of gravity between two adjacent morae. CONSTITUTION:This method consists of a pitch difference estimating process 9 for estimating...
在知识产权保护下,原始制造商为获得再制造带来的收益和降低再制造市场竞争优势,针对再制造会采取授权再制造模式.同时,政府为促进再制造产业发展和消费者购买再制造产品,对再制造商采取补贴策略.为分析知识产权保护下政府补贴对再制造影响,本文基... 关键词授权...
目的:比较高频超声,增强电子计算机断层扫描(Computed tomography,CT),超声引导下细针抽吸活检(Ultrasound-guided fine-needle aspiration,US-FNA)以及不同方法联合对甲状腺乳头状癌(Papillary thyroid carcinoma,PTC)颈侧区淋巴结转移的诊断效能;探寻细针抽吸洗脱液甲状腺球蛋白(Thyroglobulin in fine-needle aspirate fluid,...
PURPOSE:To execute timbering by a pipe, etc., easily, accurately and efficiently without limiting the prolongation of execution. CONSTITUTION:A curve propulsive machine 1, in which a plurality of propulsive drum sections 2, 3, on fronts of which cutters 4 are mounted respectively, are juxtaposed...
Hierarchical synchronous control device 优质文献 相似文献Flatness-based hierarchical control of the PM synchronous motor The paper describes a flatness-based control scheme for the permanent magnet synchronous motor. A hierarchical control is developed and the scheme is shown... ...
Consecutively hospitalized patients with confirmed coronavirus disease 2019 (COVID-19) in Wuhan, China were retrospectively enrolled from January 2020 to March 2020 to investigate the association between the use of renin-angiotensin system inhibitor (RAS-I) and the outcome of this disease. Associations...