浴比为1:10则表示1克织物用()A、10ML染料母液 B、10ML水 C、10ML

题型:单项选择题

问题:

浴比为1:10则表示1克织物用()

A、10ML染料母液

B、10ML水

C、10ML染液

考点:纺织科学技术纯棉织物的染整纯棉织物的染整题库
题型:单项选择题

The nurse is caring for a neonate with congenital clubfoot. After the final cast has been removed, which member of the health care team will most likely help the neonate with leg and ankle exercises and provide his parents with a home exercise regimen

A. Occupational therapist.
B. Physical therapist.
C. Recreational therapist.
D. Speech therapist.

题型:单项选择题

现有含NH4+、H+、Al3+、Mg2+、Cl-的溶液100mL,往其中逐滴加入2mol/L的氢氧化钠溶液,并不断搅拌,所得沉淀质量与所加氢氧化钠溶液体积的关系如下图,其中OA段无气体产生,回答下列问题。

(1)写出下列过程发生反应的离子方程式。

OA段:                                              

CD段:                                              

(2)氢氧化镁沉淀的质量m[Mg(OH)2] =         g。

(3)a =               ;b =               

(4)原溶液中c(NH4+) =                    ;c(Cl-) =                    

题型:单项选择题

数据2500000用科学记数法表示为

A.25×105

B.2.5×105

C.2.5×106

D.2.5×107

题型:单项选择题

经络按摩有什么作用?

题型:单项选择题

发动机耗油率是发动机的()指标。

A.性能

B.动力性

C.经济性

D.外特性

更多题库