51.   The science section has segments on various major developments within the program, from laboratory experiments in space to spacewalks.

52.   The researchers found, in laboratory experiments, that white blood cells make substances that can prevent the virus from growing.

53.   The scientists from Arizona and Canada identified the water using the Kitt Peak solar observatory near Tucson and high-temperature laboratory experiments.

54.   The technology has been demonstrated in laboratory experiments and at U.S. Gypsum, a producer of wallboard.

55.   The whole effect is a little like a dissection, or a laboratory experiment, which is apt because Pan Am is something of an experiment, too.

56.   They can also conduct independent electronic laboratory experiments.

57.   They made six new drugs, and all worked against gram-negative bacteria in laboratory experiments, wiping out gram-negative bacteria that cause the diseases brucellosis and tularemia.

58.   This is a perfect chance for a controlled laboratory experiment.

59.   This was a tightly controlled laboratory experiment, they said, and the chance that people would get the virus through direct contact with birds is very slim.

60.   To study the effects of supportive audiences, the researchers organized three laboratory experiments.

n. + experiment >>共 417
laboratory 8.78%
science 6.90%
lab 4.44%
gene 3.55%
therapy 3.25%
radiation 2.17%
mouse 1.78%
two-year 0.99%
thought 0.99%
three-year 0.99%
laboratory + n. >>共 317
test 17.12%
animal 6.79%
experiment 5.35%
study 5.17%
mouse 3.18%
analysis 2.88%
work 2.58%
technician 2.46%
rat 2.34%
equipment 2.28%
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