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。
"Improvement in lean muscle mass is considered a marker of improved body composition," according to the researchers.
在瘦肌肉质量的改进被认为是改善身体成分指标“研究人员表示。”
We can only speculate at the core composition of mercury, but it has a very high density for its radius so it is likely to have a large metallic core accounting for most of its mass.
我们只能推测在汞的核心成分，但它有它的半径密度非常高，所以很可能有一个大的金属的群众最核心的会计。
The mass concentration, water-soluble ions and elemental composition of fine particles were detected by the weighing method, ion chromatography, inductively coupled plasma chromatography separately.
用称重法、离子色谱法和电感耦合等离子质谱法分别测得细颗粒物的质量浓度、水溶性离子和元素组成。
The experimental results show that the mass concentration of cytokinin and the composition of the basic media have significant effects on the vitrification of plantlets of Aloe vera L. in vitro.
实验结果表明：细胞分裂素的质量浓度和基本培养基成分对离体培养中的美国芦荟组培苗的玻璃化现象有显著影响。
Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.
四极质谱计在真空技术中可用来测量分压强，从事物质成分的分析。
Designers choose on behalf of the royal grand golden as dimensional mass-tone to move, a lot of choose geometry to allocate space in the composition of stainless steel.
设计师选择代表皇家气派的金黄色作为空间主色调，大量选用不锈钢构成的几何形状来分配空间。
The changes of viscosity, hydrocarbon composition and average relative molecular mass of Shengli heavy oil in catalytic upgrading by oil-soluble catalyst XAGD-2 were investigated.
研究了采用油溶性催化剂XAGD - 2催化改质胜利稠油过程中稠油黏度、组成和平均相对分子质量的变化。
Regression results showed that reaction time, pressure and composition of feed gas had marked effects on mass fraction of xylene soluble part and ethylene content in copolymer.
实验结果表明，反应压力、反应时间、原料气中乙烯含量对共聚物中的乙烯含量、二甲苯可溶物含量有显著影响；
Crystallization from solution is a complex multi-phase transfer process of heat and mass, in which the composition of solvent plays a very important role.
溶液结晶是一个比较复杂的多相传热、传质过程，溶剂组成在其中起着重要的作用。
DEXA, as the"Golden Standard"for bone mass measurement, has been regarded as the new standard for body composition measurement in the recent years.
前言：作为骨量测量“金标准”的双能X线吸收测定法（DEXA），近几年已被国外研究学者作为身体成分测量的新标准。
The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
With gas chromatographic and mass spectrum (GC-MS) analysis technology, the chemical composition of biomass tar and its distillations were analyzed.
主要采用色谱-质谱联机(GC - MS)成分分析法对生物质焦油及其馏分试样进行成分分析。
The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex.
退火的RNA双链通过质谱分析来证实其精确的组成。
The mass fraction of group composition was worked out accurately.
计算出族组成的质量分数。
A homemade miniature aerosol mass spectrometer was reported, which can rapidly monitor gas composition and aerosol size distribution in vehicle exhaust.
我们研制了一台能够在线监测气溶胶粒径分布和气体组成成分的气溶胶在线质谱仪。
Mass spectrometry is an advanced scientific technique used to analyze compounds based on their molecular composition.
质谱是一种先进的科学仪器，基于分子组成的不同来分析化合物。
The composition accuracy was analyzed by comparing the mass of the original composition with the eventual powder.
通过对比原始配方和最终粉料的质量，分析组成的准确性。
She was disappointed to see her composition returned with a mass of corrections in red ink.
看到她的作文发下来时被红墨水改得到处都是，她很失望。
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。
Comparisons were made at baseline and in the responses in body composition, muscle strength, bone mass, and metabolic indices during 2 yr of GH replacement.
两组间的比较把包括基线水平及治疗2年后的身体组成，肌肉强度，骨密度，代谢指数。
Its vaporization parameters are calculated with the method of digital integration based on volumes of tank, mass and composition of LPG, ambient temperature and other conditions.
采用数值积分法，根据储罐容积、液化石油气质量、组成、环境温度等条件计算其气化参数。
Method: Determining the composition of prescription and preparative technology, controlling the mass according to the regulations set by Chinese pharmacopoeia and practicing clinically.
方法：确定处方组成和制备工艺，按《中国药典》规定进行质量控制，并进行临床应用。
The annealed RNA duplex is further analyzed by mass spectrometry to verify the exact composition of the duplex.
退火的双链rna进一步通过质谱分析来验证双链复合体的确切成分。
Some right expressions relating to solution composition, such as mass fraction, volume fraction, mass concentration, molarity and volume ratio were intro.
对溶液组成标度，如质量分数、体积分数、质量浓度、物质的量的浓度、体积比的正确表述也一一进行了介绍。
Some right expressions relating to solution composition, such as mass fraction, volume fraction, mass concentration, molarity and volume ratio were intro...
对溶液组成标度，如质量分数、体积分数、质量浓度、物质的量的浓度、体积比的正确表述也一一进行了介绍。
Fibrosis in Human Adipose Tissue: Composition, Distribution, and Link With Lipid Metabolism and Fat Mass Loss.
人体脂肪组织纤维化：构成，分布，以及与脂代谢和脂肪量损失的关联。
The Kepler spacecraft may help settle the question, because even the limited amount of information it can glean about planets—their mass and radius—is enough to tell their general composition.
开普勒太空船可能可以帮助解决这个问题，因为就算它只能提供有限的资料：质量和半径，它都足够让我们知道恒星的一般成份。
The invention relates to an acaricide composition and the effective ingredient of the acaricide composition comprises tebufenpyrad and fenbutatin oxide in a mass ratio of 50:1 to 1:80.
本发明涉及一种杀螨组合物，该组合物有效成分由吡螨胺和苯丁锡组成， 吡螨胺和苯丁锡的质量比为50∶1～1∶80。
The invention relates to an acaricide composition and the effective ingredient of the acaricide composition comprises tebufenpyrad and fenbutatin oxide in a mass ratio of 50:1 to 1:80.
本发明涉及一种杀螨组合物，该组合物有效成分由吡螨胺和苯丁锡组成， 吡螨胺和苯丁锡的质量比为50∶1～1∶80。
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