查询词典 SR

The effects of boron and strontium on the solidified structures of hypoeutectic Al-Si alloys by combination addition of boron and strontium have been studied by quantitative metallography and chemical analysis.

采用定量金相、化学分析的方法研究了B、Sr联合处理对亚共晶铝硅合金凝固组织的影响。

Leaves structure of different provenances vary greatly in the thickness of keratoid layer, epidermal layer, palisade mesophyll, spongy mesophyll and the stomatal density. The CTR value is negatively related to the temperature of growing site and the SR value is positively related to it, which is an evidence for the plant to adapt to the environment.

西南桦不同种源叶片的结构在角质层、表皮层、栅栏组织、海绵组织厚度以及气孔密度等方面都发生了较大的变异，叶片的紧密度与种源地气温呈负相关，疏松度与气温呈正相关，这是植物对环境适应的表现。

After acclimating 1 day, the leptocephali were immersed in a tetracycline solution to mark the otoliths with a fluorescent band as the onset of the experiment (Day 1) and then reared in the treatments spiked with different concentrations (2×、4×、8×) of Sr and Ba.

个别添加 SrCl2 ˙ 6H2O和Ba(NO3)2 两种药品，将饲育水依2×、4×、8×的比例调配成含控制组的四个浓度加两重复添加实验，饲育萤光标示后的柳叶鱼。

Now, Sr isotopes can be used not only to constrain the origin and evolution of magma and hydrothermal ore-forming solutions, calculate the scale and degree of lithogenesis and ascertain the relations between fluids and rocks, but also to study sea-level fluctuation, plate movement, ocean-floor spreading and lithogenic evolution.

现在，锶同位素不仅在示踪岩浆及成矿热液的来源和演化、计算晚期成岩改造作用的规模和程度及流体/岩石比等方面已趋于成熟，并且越来越广泛运用于海平面变化、板块活动、海底扩张、成岩演化等方面的研究。

But she was still married to Lolo, and Barack Sr.'s their wife had just left him.

但她那时跟洛洛还存在婚姻关系，并且巴拉克的妻子刚刚离开他。

What had drawn her to Lolo, after Barack Sr.

在老奥巴马离开她和孩子后，Lolo吸引她的是承诺新的和重要的事情，和帮助他重建国家的理想。

Their geochemical characteri stics of trace elements and Nd and Sr isotopes show that these mafic rock s erupt ed in a back-arc basin.

达拉布特蛇绿岩带的镁铁质岩属亚碱性和碱性系列，可能是弧后盆地火山活动的产物。

An alkaline sample digestion procedure using fusion with lithium metaborate (LiBO2) after dry ashing was developed. Silicon, aluminium and other, a total of 10 elements in different kinds of biological samples, were measured by ICP-AES.

探讨不同种类生物样品中Si和Al等10种元素的测定方法，采用干灰化结合偏硼酸锂碱熔灰分的前处理方法，用电感耦合等离子体原子发射光谱法同时测定试样中Si和Al以及Ca，Mg，Fe，Na，P，Mn，Sr，Ti。

The effects of Cu and Sr elements on the mechanical properties of Al-Mg-Si based alloy sheets were studied by using metallograph,DSC,XRD,SEM and TEM.

采用DSC、XRD、SEM及TEM等分析手段，研究了铜和锶对铝-镁-硅基铝合金汽车车身板材显微组织和力学性能的影响。

With the healthful benefits Sr, F, metasilicate other trace elements, who have a good health care role.

含对人体健康有益的锶、氟、偏硅酸等微量元素，具有很好的医疗保健作用。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。