Results 111 to 120 of about 203,533 (183)
[Report on oral health literacy of children and adolescents in Nagqu, Xizang]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanShan Z +7 more
europepmc +1 more source
[Choice of medical treatment for renal colic: A survey of Chinese urologists]. [PDF]
Beijing Da Xue Xue Bao Yi Xue Ban, 2023 Wang MR +8 more
europepmc +1 more source
, 2009 2006年6～8月,调查了新疆伊犁河湿地及其周边夏季鸟类,共记录到16目36科96种,种群数量为3110只,水鸟占优势,共57种。其中夏候鸟52种、留鸟33种、旅鸟11种;在85种繁殖鸟中,古北界52种、东洋界8种、广布种25种,分别占总种数的61.18%、9.41%、29.41%。有国家Ⅰ、Ⅱ级保护鸟类13种,新疆特有种或亚种17种。鸟类生态分布显示,下游三道河-伊犁河大桥地段拥有较丰富的鸟类种群。通过调查 ...
胡鸿兴, 黄亚东, 张先锋
core
[Associations between early onset of puberty and obesity types in children: Based on both the cross-sectional study and cohort study]. [PDF]
Beijing Da Xue Xue Bao Yi Xue Ban, 2022 Ma T +11 more
europepmc +1 more source
[Investigation and analysis of the construction of newborn screening institutions and talent teams in China]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiXu YH, Yang RL, Yang X, Mao HQ, Zhao ZY.
europepmc +1 more source
[The investigation on the acute, severe hepatitis of unknown origin in children]. [PDF]
Zhongguo Dang Dai Er Ke Za Zhi, 2022 Yao KH, Meng QH, Yu D.
europepmc +1 more source
, 2004 西南地区是中国辣椒优异种质资源地,辣椒产量很大,大多数品种的辣椒素含量都较高,资源潜力巨大。作者赴成都、重庆、昆明及贵阳四个地区开展了18个县、30个镇(村)、52人次的调查,并采集辣椒样品供化学分析,为以后选取辣椒素含量高、产量大且价格低廉的品种大量提取辣椒素打下基础。本次调查共采集辣椒样品33个,其中成都地区6个,重庆地区8个,昆明地区10个,贵阳地区9个 ...
赵卫权 +3 more
core
[Survey of radiotherapy resource allocation and service capacity in Hunan Province, 2025]. [PDF]
Zhong Nan Da Xue Xue Bao Yi Xue BanXu Y +10 more
europepmc +1 more source
[Nursery Services for Children Under 3 in Sichuan Province]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue Ban, 2023 Zhao L +6 more
europepmc +1 more source
, 2007 目的为新疆马鹿资源得到较好恢复、有效保护与合理利用马鹿资源提供科学依据。方法2004年11月利用截线抽样法,使用高倍(20～60倍)望远镜直接观察或骑马将马鹿驱赶至林缘观察,调查了北天山喀拉乌成山(乌鲁木齐南山)的马鹿资源,分别记录每条路线的长度、所见马鹿数量、至截线的垂距和观察点的经纬度。结果共调查截线7条,总长度112 km,见马鹿71头,平均密度1.83±0.52头/km2,,栖息地面积697 km2,资源总数1 276±363头。结论天山的马鹿资源较上世纪90年代有明显的增长 ...
姚军, 高行宜
core