They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.
然后他们从细菌中提取出dna,利用高解析二次离子质谱技术分析了其中的化学组成,发现DNA中也含有砷。
We can adjust the final pyrolysis product composition by the control of secondary reactions conditions for different processes.
通过控制二次反应的条件,我们就可以控制热解产品的最终组成。
In secondary school composition teaching, the problem that students' creativity is strangled has been existing over a long period of time and is growing in intensity.
长期以来,中学作文教学中存在着扼杀学生创造力的问题,且有愈演愈烈之势。
According to the Jaccard similarity coefficient, the composition of the ant species all has distinct difference between primeval and secondary forests of the 4 vegetation subtypes.
从蚂蚁群落相似性系数来看,4种植被亚型的原始林和次生林蚂蚁物种的组成均具有显著差异。
The Cinnamoyl CoA reductase (CCR) gene is involved in determining lignin content and composition in plant secondary cell walls and has been associated with wood strength characteristics in Eucalyptus.
桂酰辅酶A还原酶基因(CCR)控制木质素含量和组成,而且与桉属木材强度特性有密切关联,因此CCR与造纸和实木利用紧密相关。
Because of the complex composition in MSW, secondary pollution of heavy metals in the process of MSW incineration is the most difficult problem to be solved in MSW disposal.
城市生活垃圾成分复杂,并且焚烧过程中会产生重金属的二次污染,是城市垃圾处理中最难解决的问题。
The secondary refrigerant calorimeter method was introduced and explained mainly and it includes the system composition, the testing principle and the main controlling parameters.
主要对第二制冷剂量热器法进行了更为详细的介绍和说明,这主要包括系统的组成,第二制冷剂量热器法的测试原理以及主要的控制参数。
Additionally, chemical composition and thickness of oxide layers, occurring in both studied cases, were analyzed by secondary ion mass spectrometry.
此外,两种不同表面状态下的化学成分以及氧化层都通过二次离子质谱测定法进行了分析。
Sewage treatment plants yield lots of sewage sludge. The sludge has complex composition, containing a variety of bacteria, and then the improper disposal is bound to cause secondary pollution.
来自污水处理厂的污泥产量大,成分复杂,含有多种病菌,处置不当势必造成二次污染。
It is an obvious fact that the efficiency of composition teaching in secondary schools is low.
中学作文教学效率低下已是不争的事实。
The secondary products detection found that composition types in wild hypha and in cultured ones were similar.
次生产物检测认为发酵培养的菌丝成分与野生隐孔菌均含有相似的成分类型。
The composition and working principle, advantages of secondary power switch were introduced.
介绍了二次送电开关的结构、工作原理及优点。
Tea-leaf is purely natural material, harmless and doesn't produce secondary pollution. Tea-leaf can eliminate formaldehyde that is because it contains same activation composition, s…
茶叶能消醛是因为茶叶中含有生物碱、 茶多酚、 氨基酸等活化成分能与甲醛反应,同时茶叶对甲醛有一定的吸附作用。
The ninth 'Chinese newspaper Cup'nationwide composition contest of primary and secondary school students national first prize Provincial third prize …
如何翻译“第九届'语文报杯'全国中小学生作文大赛”和“国家级一…
The ninth 'Chinese newspaper Cup'nationwide composition contest of primary and secondary school students national first prize Provincial third prize …
如何翻译“第九届'语文报杯'全国中小学生作文大赛”和“国家级一…
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