Results 101 to 110 of about 43,185 (150)

疼痛和抑郁

open access: yes, 2009
疼痛和抑郁是临床常见的两类疾病,二者常常同时发生。疼痛特别是慢性痛,经常伴随抑郁症状的存在,而抑郁症患者也会伴发腰背痛、关节痛等多种躯体症状。流行病学调查显示,疼痛患者抑郁的发病率显著高于健康人群。反之亦然,这提示疼痛和抑郁极有可能存在相似或者共同的病理生理机制。然而,
王锦琰, 罗非, 史妙
core  

Clinical characteristics of patients with migraine accompanied by tremor. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Fu Z   +8 more
europepmc   +1 more source

[The efficacy of topiramate and flunarizine hydrochloride for prophylactic treatment of vestibular migraine]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2021
Li G   +6 more
europepmc   +1 more source

一种滴灌管滴头的粘接方法

open access: yes, 2004
本发明提供一滴灌管滴头的粘接方法,它包括滴灌管、滴头材料的配备,滴灌管滴头的粘接,其特征在于:选择滴头材料配方为,高压聚乙烯∶低压聚乙烯∶中密度聚乙烯=2∶6∶2,管胚配方为,高压聚乙烯∶线性聚乙烯∶低压聚乙烯=6∶2∶2,滴头和管胚材料的熔融指数在6~8之间,机头及口模的温度为190℃~200℃,粘接强度高,稳定 ...
牛文全,陈泽沛,吴普特,蓝新民
core  

一种滴灌管头的粘接方法

open access: yes, 2004
 本发明提供一滴灌管滴头的粘接方法,它包括滴灌管、滴头材料的配备,滴灌管滴头的粘接,其特征在于:选择滴头材料配方为,高压聚乙烯∶低压聚乙烯∶中密度聚乙烯=2∶6∶2,管胚配方为,高压聚乙烯∶线性聚乙烯∶低压聚乙烯=6∶2∶2,滴头和管胚材料的熔融指数在6~8之间,机头及口模的温度为190℃~200℃,粘接强度高,稳定 ...
牛文全,陈泽沛,吴普特,蓝新民
core  

[Characteristics of the subtype of vestibular migraine with ear fullness: association with early onset age and low-frequency hearing loss]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Jiang L   +5 more
europepmc   +1 more source

非圆形喷洒域喷头

open access: yes, 2002
 一种农田灌溉或城市绿地灌溉使用的非圆形喷洒域喷头,由全圆摇臂式喷头和两个垫片组成,由于增加了一个随全圆摇臂式喷头旋转的垫片和一个在进水口的接头上安装的垫片,因此,喷头转动时由于进水口处过水断面形状和过水面积产生有规律的变化,进而影响管内压力和喷头射程。喷头转动一个周期,使过水断面形状和过水面积出现了多次最大值,其相应射程也会出现相应次数的最大值,从喷洒图形上反映,就是出现了多个角 ...
冯浩, 汪有科, 范兴科, 吴普特
core  

Acupuncture recommendations for migraine in headache treatment guidelines: a systematic review. [PDF]

open access: yesBull World Health Organ
Cui S   +13 more
europepmc   +1 more source

Clinical characteristics of patients with interstitial cystitis/bladder pain syndrome combined with migraine. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Fu Z   +6 more
europepmc   +1 more source

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