Results 161 to 170 of about 113,142 (258)

盐城保护区发现黑脸琵鹭

open access: yes野生动物学报, 1999
全国鸟类环志中心在1998年6月初到7月中旬开展了黑脸琵鹭夏季繁殖地专项调查,黄河三角洲自然保护区也参与本次调查,6月8日下午,调查组成员驱车从盐城自然保护区出发至射阳养蚕基地,驱车途中行至盐城市射阳镇下老湖,下老湖为大面积水域,见湖中小块陆地内有多只水禽 ...
单凯
doaj  

[Analysis of adherence and determinants of sublingual immunotherapy in patients with Artemisia pollen-induced allergic rhinitis]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Cao Y, Feng Y, Wang Q, Han S.
europepmc   +1 more source

[An investigation study on the technology and training level of ski patrol]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Bai P   +7 more
europepmc   +1 more source

运用信息熵理论研究条件估值调查中的抽样问题 [PDF]

open access: yes, 2003
张志强   +3 more
core  

[Cross-century process of mental health surveys in China]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Huang J, Liu Z, Zhang T, Huang Y.
europepmc   +1 more source

A survey on the public's discrimination rate of typical rumors during the coronavirus disease 2019 epidemic. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban, 2022
Zheng M, Li J, Cheng P, Ning P, Hu G.
europepmc   +1 more source

[Clinic behavior and therapeutic status of patients with antiphospholipid syndrome]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li Y, Liu X, Li G, Li C, Jia Y.
europepmc   +1 more source

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