【多选题】化妆品引起的刺激性接触性皮炎,其发病机制包括
【判断题】The interquartile range is found by taking the difference between the 1st and 3rd quartiles and dividing that value by 2.
【判断题】化妆品接触性皮炎包含: 刺激性接触性皮炎(ICD) 变应性接触性皮炎(ACD)
【单选题】A two-year average difference was found between the highest-achieving and the lowest achieving group.
B.
Q -- research questions
【多选题】下列关于毒理学实验的描述,正确的是()
A.
急性毒性试验是评估化妆品原料毒性特性的第一步,包含经口、经皮两种办法
B.
化学物质的急性毒性分级存在不同依据,包括大鼠经口毒性分级和兔经皮毒性分级
C.
判断眼睛刺激性和眼腐蚀性的关键是,眼球表面接触受试物后的炎性损伤是可逆还是不可逆性的
D.
当化妆品为强酸或强碱(pH≤2或pH≥11.5)体系时,很有必要通过眼刺激性试验来证明其产品温和性
【判断题】The difference between the actual y value and the predicted y value found using a regression equation is called the residual.
【单选题】The difference found between conservatives and liberals is ____________.
A.
wider among media officials
B.
wider on the local level
C.
wider on the national level