005～10mg·L-1的二氧化硫浓度就有能够危害植物,当然以其继续时间而定。 实验依据亚硫酸纳与稀硫酸反响生成二氧化硫的原理,现场制备二氧化硫。将同种植物长势相反的幼苗区分放在异样大小的玻璃罩内,并在玻璃罩内生成不同浓度的二氧化硫,以观察二氧化硫对植物的影响。本文对实验植物资料的种类和二氧化硫浓度停止了...
BSA administration results in highly variable exposure, measured as the area under the concentration-time curve (AUC). An immunoassay (OnDose;; Myriad Genetic Laboratories, Inc., Salt Lake City, UT) that measures plasma 5-FU concentration and reports an AUC in mg · h/L has been ...
HoLys-OH.2HCl; L-Beta-homolysine DiHCl; H-b-HoLys-OHmiddot2HCl; C7H16N2O2.2HCl; H-Lys-(C#CH2)OH.2HCl; CTK8E9585; DTXSID30940844; AKOS015900952; AS-48787; AX8019102; Z5705; (3S)-3,7-diaminoheptanoic acid dihydrochloride; K-7139; 3,7-Diaminoheptanoic acid--hydrogen chloride (1/...
已知25℃时, K sp [Mg(OH) 2 ]=1×10 -11 mol 3 ·L -3 ,如向100 mL 0.1 mol·L -1 MgCl 2 溶液中加入0.1 mol·L -1 NaOH溶液使Mg 2 + 沉淀,当溶液中[Mg 2 + ]降到1×10 -5 mol·
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反式-4-(4-溴苄基)-L-脯氨酸盐酸盐 ( 95%|1g ) 更新日期:2024-12-05 上海源叶生物科技有限公司[评价] 产品目录:228708 联系人:汤思磊15026964105 立即询单进入店铺 1049734-21-5 ( 96% |250mg ) 更新日期:2024-10-28 上海捷世凯生物科技有限公司[评价] ...
结果1 题目已知Mg(OH)2的Ksp=1.8×10-11,NH3middot;H2O的Kb=1.8×10-5,计算反应: Mg(OH)2+2NH4+===Mg2++2NH3middot;H2O 的平衡常数K,讨论Mg(OH)2在氨水中的溶解性。 相关知识点: 试题来源: 解析 ← Mg(OH)_2+2NH_4^+⇌Mg^(2+)+2NH_3⋅H_2O 平衡常数 K = [Mg][NH, H,O] ...
Maximum Torque: 180n·; Cltc Pure Electric Cruising Range: 510km; Battery Charging Time: Fast Charge: 0.5 Hours(80%); Battery Energy: 57.6kwh; Steering: Left; Seats: 5; Mgnt Certification: One Car; Gearbox: Automatic; Exterior Color: ...
如果在首次服药后有效,但症状仍持续发作者可于2小时后再加服1次。若服用琥珀酸舒马普坦片后症状消失,但之后又复发者,应待前次给药24小时后方可再次用药。单次口服的最大推荐剂量为100mg(4片)。24小时内的总剂量不得超过200mg(8片)。琥珀酸舒马普坦片可以与其它5-HT1激动剂并用吗?
测量范围:0.00 - 90.0mg/L 分辨率:0.1 / 0.01mg/L 测量范围:0.0 - 600% 分辨率:1 / 0.1% 相对精度:±0.5%±1 字 盐度系数:0 - 45 ppt 大气压测量范围:450 - 850 mmHg 校正方式:被水饱和的空气,被空气饱和的水,Winkler,零点校正 电极类型:极谱式 ...