查询词典 isotope

Mass transport ; Isotope exchange ; Exchange mechanism ; Flow geometry ; Advective cooling

质量传输；同位素交换；交换机制；流动几何学；平流冷却

Stable carbon isotope data （δ^13C） from feces of mixed-feeding impala Aepyceros melampus living in South Africa＇s Kruger National Park are used to study dietary variations across a variety of spatio-temporal scales.

利用稳定碳同位素数据（δ^13C）分析了南非克鲁格国家公园混食性黑斑羚时间和空间尺度上的食性变化，验证了两个假说，即有蹄类食性变化是由生境中木本植物与草本植物的相对配比导致；降雨控制有蹄类生态。

Experimental data for hydrogen isotope fractionations between albitic, K- feldspar, and rhyolitic melts and water vary systematically with pressure from 0.2 to 2 000 MPa.

对 0.2～ 2 000 MPa条件下钠长石熔体、钾长石熔体以及 0.2～ 150 MPa条件下流纹岩熔体-水体系的氢同位素分馏实验数据进行了等压拟合，发现硅酸盐熔体与水之间的氢同位素分馏存在显著的压力效应。

The milk isotope was divided into three doses and given with each of the three meals on the study day.〓 solution was given intravenously via the antecubital vein immediately after the first oral dose.

溶液预先与牛奶混合，分三份在试验日三餐后口服；〓溶液在第一次口服含〓的牛奶后由静脉一次注入。

Isotope geochemical characteristics of auriferous quartz veins from medium and great depths of Xiaoqinling area, central China and their significance

王义天，毛景文，叶安旺，叶会寿，李永峰，卢欣祥，李永革中国地质科学院矿产资源研究所

The curve of palaeotemperature is reconstructed on the base of authigenic carbonates oxygen isotope.

1，利用自生碳酸盐氧同位素重建了安固里淖湖区古温度曲线。8507aB.P。

On the basis of autogeny illite K-Ar isotope dating of 5 oil-sand specimens in S oil layer and matching with expulsion hudrocarbon of hydrocarbon source rock, it can be concluded that oil-gas injection of S oil layer has 2 stages, one of which is the end of K1n sedimentation, the other is form the end of K2m sedimentation to the early of Eogene period.

通过对萨尔图油层5 块油砂样品进行伊利石K-Ar 同位素年龄测定，并与烃源岩排烃期进行了匹配，得出萨尔图油层油气注入主要有两个时期，第一次是嫩江组沉积末期，第二次是明水组沉积末期-老第三纪初期。

The first samples were made through a nuclear reaction involving fusion of an isotope of californium, 249 Cf, with one of oxygen, 18 O.

第一样品透过核反应涉及融合的一个同位素锎，249酸钙，其中氧，18澳。

Label-free and cleavable isotope-coded affinity tag quantitative proteomic approaches were used to quantify the differential expression of secretory proteins from 3T3-L1 adipocytes with or without insulin stimulation.

首先，采用液相色谱-质谱联用方法对胰岛素刺激与否的3T3-L1脂肪细胞的分泌蛋白进行了大规模的定量分析；胰岛素刺激后，242种分泌蛋白表现为显著变化，其中55种蛋白质下调，187种上调。

Methods SMMC-7721 cell apoptosis was induced by HCPT and the mitochondria were isolated with a mitochondria isolation kit. Mitochondrial proteins labeled with a cleavable isotope-coded affinity tag were identified and quantified using two-dimensional liquid chromatography/tandem mass spectrometry.

用羟基喜树碱诱导肝癌细胞SMMC-7721凋亡，提取线粒体并鉴定其纯度；用可裂解的同位素标记的亲和标签技术标记线粒体蛋白质，利用二维液相色谱-串联质谱分析鉴定蛋白质。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。