"test"的搜索结果

special pathogens branch scientist is performing an elisa test on suspected hantavirus samples

标签: special,pathogens,branch,scien 浏览: 17

test tubes containing aspirated fleas as part of the san francisco plague series

标签: test,tubes,containing,aspirate 浏览: 19

blood sample being taken from an animal for a serological vaccine against cattle plague passes test

标签: blood,sample,being,taken,from, 浏览: 18

doctor test woman in mobile counseling and testing units in tanzania

标签: doctor,test,woman,in,mobile,co 浏览: 14

nurse takes dried blood spot samples from an infant to test in a maternal and child health

标签: nurse,takes,dried,blood,spot,s 浏览: 15

health inspector was about to test the concentration of this kitchens quaternary ammonium chloride

标签: health,inspector,was,about,to, 浏览: 20

phlebotomist holding a blood filled purple tipped vacutainer test tube

标签: phlebotomist,holding,a,blood,f 浏览: 14

performing a self monitoring blood glucose test which as a diabetic

标签: performing,a,self,monitoring,b 浏览: 18

young diabetic girl who was in the process of carrying out a self monitored blood glucose test

标签: young,diabetic,girl,who,was,in 浏览: 20

school children test water quality chemistry survey macroinvertebrates

标签: school,children,test,water,qua 浏览: 24

school children test water quality chemistry water river

标签: school,children,test,water,qua 浏览: 16

outdoor education using water quality test strips

标签: outdoor,education,using,water, 浏览: 16

Colorful Test Tube Illustration

标签: Science Tube,Test Tube 浏览: 9

Colorful Test Tubes for Science

标签: Science Tube,Colorful Test Tub 浏览: 12

bmw m hybrid v8 test cars hyper sports cars 2022 5k 8k

标签: bmw,m,hybrid,v8,test,cars,hype 浏览: 15