尊敬的科研同仁们， 在日常科研工作中，超低温保存箱是我们不可或缺的伙伴，共同守护着那些珍贵的科研样本。然而，当谈及使用超低温保存箱的 ...

NEW YORK—Futures of frozen orange-juice concentrate plunged 7.5%—to their lowest level in more than six weeks-Monday as weather forecasts appeared to rule out the biggest seasonal threat to ...