北京大学第六医院主任医师; 中国残疾人康复协会孤独症康复专业委员会主任委员; 北京市孤独症儿童康复协会原会长

This 8 ft. diameter hay ring provides your livestock with direct access to nutrition, while also keeping them off the bale. Saves You Hay. With durable 14-gauge dividers, the CountyLine Heavy-Duty Bale Feeder for Cattle keeps your animals off the bale and prevents them from knocking over hay.

This 8 ft. diameter hay ring feeder provides your herd with direct access to nutrition, while also keeping them off the bale. Saves You Hay. With durable 16-gauge dividers, the CountyLine Galvanized Bale Feeder for Livestock keeps your animals off the bale and prevents them from knocking over hay.

When size and strength matter most, the Bale Master Hay Ring from Behlen Country delivers. This extra-heavy duty round bale feeder is great for your entire herd, from calves to herd bulls, making it the toughest, most accommodating feeder on the market.

This durable livestock feeder, made of polyethylene, is "bull tough" and will provide years of trouble-free service. The hay ring ends are joined together using a butt fusion joining system, ensuring strength and durability. With a 7-year limited warranty, you can trust the longevity of this large size livestock feeder.

Century Poly Hay Ring Feeders are constructed from high-quality polyethylene material, which offers superior durability and longevity compared to traditional metal or wooden feeders. The stainless-steel hardware used in these feeders ensures they can withstand harsh weather conditions and resist rust and corrosion.

Discover Eezifeeder hay ring feeders, the all-round feeding solution. Safe, durable, and weather-resistant with a 3-year warranty. Perfect for all livestock needs.

品牌:康贝海，型号:hsyl-ws01，货号:hsyl-ws01全黑，电源方式:直流电，测量范围:0295mmhg，脉搏准确度±:±5%，适用工作温度:+5℃~+40℃，显示方式:led显示屏，适用部位:手腕式，压力准确度±:±3mmhg，重量:腕式血压计，自动关闭功能:有，加压模式:全自动，加印logo:可以 ...

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静脉血栓栓塞是全球“第三大心血管杀手”，国内静脉血栓病例数迅速增加：各医院诊断病例数近年呈10~30倍增加，ICU、慢阻肺、肺癌、老年科住院患者静脉血栓的发生率达10%~30%，须关注外伤后长期卧床、孕期、产后、高龄、肥胖、恶性肿瘤等人群！ PAI-1启动子4G/5G、4G/4G基因型是静脉血栓形成的危险因素；F5基因编码第五凝血因子，第五凝血因子的失活，使FactorV一直保持活化状态，导致凝血酶生产过剩，引起血凝过快，增加血栓风险。 基因型为5G/5G型，提 …