查询词典 negative

In the developed world there are a number of options: a process called 'sperm washing', which separates sperm from HIV-causing agents before being used for insemination, is safest for couples where a positive man wants to avoid the risk of infecting his negative female partner or reinfecting his positive partner; artificial insemination is the safest way of conceiving for couples with a positive woman and a negative man.

在发达国家他们会有许多选择：&精子洗涤&，即在受精前将精子与引起HIV的物质分离，这样可使阳性的男性避免传染阴性的女伴，或再传染给阳性配偶，对于这种情况，&清洗精子&是最安全的；人工授精，这对于由阳性女伴和阴性男伴组成的夫妇来说是最安全的生育方式。

So is replicating negative results to check that they are, indeed, negative.

同样，重复做那些给出否定结果的实验也是必要的，以便检查其是不是真的行不通。

Results Of 24 RIDs performed, 13 were positive, including one false positive; 11 were negative, including two false negative.

结果 24例次放射免疫显像中，阳性13例次(其中假阳性1例次)，阴性11例次(其中假阴性2例次)。

Black came up with a negative feedback loop, which was designated negative in contrast to the snowballing positive loop of the amplifier.

庆幸的是，布莱克设计出了一个负反馈回路，它的作用就是用来抵消放大器的正回路所产生的雪球效应。

Black came up with a negative feedback loop, which was designated negative in contrast to the snowballing positive loop of the amplifier.

值得庆幸的是，布莱克设计出了一个负反馈回路，它的作用就是用来抵消放大器的正回路所产生的滚雪球效应。

With the increase of moving step-length in temperature, the increase of negative effect on maximum temperature occurs before tasseling, while the negative impacts of minimum temperature appear throughout yield formation process.

随着滑动步长的增加，最高气温负影响程度的增大主要体现在抽穗前，最低气温则贯穿于整个产量形成过程中。

The two NS5B proteins showed the same RdRp activity changes to these three templates: they had the highest activity using 3'terminuses from HCV genotype 2a negative RNA strand as template and the lowest activity using 3'terminuses of HCV genotype 1b negative RNA strand as template.

两种NS5B蛋白对HCV 1a、1b和2a型负链3'末端RNA模板表现出相同的活性差异，两种蛋白均对2a型负链3'末端RNA模板表现出最高的聚合酶活性，对1b型负链3'末端RNA模板表现出最低的酶活性。

Chapter 3 reverts the "uglified" female to its historical true, objectively sees female its negative side and the defined negative side from the standpoint of physics female, fulfills female to explore the female materials in the textbooks, consciously make up the female materials as an extended curriculum and probe into the relationship with the development of the female role awareness.

第三部分从还&妖魔化&女性的本来面目、客观评价教材中的反面女性或从政治角度定义为负面的女性、丰富杰出女性材料、作为扩展型课程有意识地补充女性材料四个角度挖掘和补充历史教材中女性的材料，探讨与女性角色意识培养的关系。

in 2950 subjects,including 1472 hbsag positive patients and 1478 hbsag negative control, all of them were obversved in 10 years and the standardized mortality ratio of primary carcinoma of liver were calculated in each group.results:①in hbsag positive groups,the smr were 8.85 in men and 12.50 in women,in hbsag negative groups, the smr were 2.87 in men and 3.40 in women, there were significant difference among different groups;②the trend of correlation between hbsag and primary carcinoma of liver were alike in 5 years before and after;③there were not any significant difference observed about the smr of carcinoma ventriculi and esophagus cancer in different groups.

采用前瞻性研究，自1996年7月起对观察对象随访10年，其中hbsag阳性者1472例，阴性者1478例，于2006年10月用流行病学方法分析各种标化死亡比等观察结果。结果：①hbsag阳性组的肝癌标化死亡比男、女分别为8.85与12.50，hbsag阴性组的肝癌smr分别为2.87与3.47，两组之间差异显著；②hbsag与肝癌的关系在前后5年的趋势相似；③hbsag阴性和阳性组的胃癌及食道癌的标化死亡率无统计学差异。

Neuroscientists have discovered that verbalizing negative thoughts can act like a wet blanket on a fire of negative emotions," Achor explains."

阿克尔解释说：神经科学家发现，将消极情绪写下来或说出来，就像给其泼了一盆冷水。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。