SQL Error: MySQL Query Error select * from `doctorinfo` where `shanchangIds` like '%,778%' limit 0,18SQL Error: MySQL Query Error SELECT id,title as name,jb_id,md5Id FROM `zixun_article_caiji` WHERE (`jb_id` IN (7121,7069,7068,6828,6685,6507,6131,6015,3576,3557,2957,2886,4751,2228,2538,1116,6232,6230,2522,6228,3095,781,780,779,778,523,522,2113,1201,13155,7237,10956,8741,12261,12255,12254,12709,13880,12432,12256,3011,10267,8031,8120,10259,10266,12554,12257,10265,) and `typeId`='6') limit 0,3SQL Error: MySQL Query Error SELECT id,title as name,jb_id,md5Id FROM `zixun_article_caiji` WHERE (`jb_id` IN (7121,7069,7068,6828,6685,6507,6131,6015,3576,3557,2957,2886,4751,2228,2538,1116,6232,6230,2522,6228,3095,781,780,779,778,523,522,2113,1201,13155,7237,10956,8741,12261,12255,12254,12709,13880,12432,12256,3011,10267,8031,8120,10259,10266,12554,12257,10265,)) limit 0,3SQL Error: MySQL Query Error SELECT id,title as name,jb_id,md5Id FROM `zixun_article_caiji` WHERE (`jb_id` IN (7121,7069,7068,6828,6685,6507,6131,6015,3576,3557,2957,2886,4751,2228,2538,1116,6232,6230,2522,6228,3095,781,780,779,778,523,522,2113,1201,13155,7237,10956,8741,12261,12255,12254,12709,13880,12432,12256,3011,10267,8031,8120,10259,10266,12554,12257,10265,) and `typeId`='2') limit 0,3耗时0秒 耗时0秒 耗时0秒 耗时0秒
维生素A缺乏症(vitamin A deficiency)是因体内缺乏维生素A而引起的以眼和皮肤病变为主的全身性疾病,患者以婴幼儿为主,常和营养不良并存,伴随蛋白质-能量营养不良等。 维生素A在体内具有多种重要功能。它对视网膜的功能起着重要的作用,对上皮组织的生长和分化显然是必需的,同时也为骨生长、生殖和胚胎发育所需要。它还对各种细胞膜具有稳定的作用。从而对膜的通透性起调节作用。 维生素A的功能是通过不同的分子形式实现的。对于视觉起作用的是视黄醛。对生殖过程起作用的为视黄醇,而视黄酸或一种代谢产物则对其他功能具有重要性。