A: zinc
B: copper
C: magnesium
D: iodin
举一反三
- which elements belong to micro-elements？（ ） A: iron B: sodium C: zinc D: magnesium
- Grey spot of oat are due to A: Copper B: Iron C: Manganese D: Zinc
- Which of the following is the most abundant solid mineral in the seabed?( ) A: Manganese nodule B: Nickel ore C: Copper mine D: Cobalt ore
- Rate the following cements in terms of compressive strength from highest to lowest A: A. zinc oxide-eugenol, zinc phosphate, resin B: B. zinc phosphate, resin, zinc oxide-eugenol C: C. resin, zinc phosphate, zinc oxide-eugenol
- [img=54x23]17de8084fc8189f.png[/img]的英文名称是_______。 A: magnesium nitride B: nitrogen fixation C: magnesium nitrogen D: nitric acid
内容
- 0
It _______ in the tests for Sterility and Insulin in the supernatant under Isophane Insulin Suspension and for Zinc content and Zinc in the supernatant under Insulin Zinc Suspension.
- 1
What is the primary abnormality in Wilson’s disease? A: Decreased excretion of copper in to bile B: Low serum of total copper C: Increased intestinal absorption of copper D: Reduced synthesis of ceruloplasmin
- 2
Extended Insulin Zinc Suspension is modified by the addition of a suitable zinc salt _______ such that the solid phase of the suspension is predominantly crystalline.
- 3
Calcium chloride, magnesium chloride are deliquescent.
- 4
OneofthefollowingisNOTafunctionoftestosterone,whichone? A: Stimulatesspermiogenesis B: Maintainssecondarysexcharacteristics C: Maintainsglandsofthereproductivetract D: StimulatesanteriorpituitarytoreleaseFSHandLH