成分

The Pb-Sn electrodeposition in quasi-two dimension has been performed. The morphology and microstructure of the codeposit have been investigated by XRD. SEM and EPMA.

制备了准二维的Pb0.5Sn0.5合金电沉积物，并利用X射线衍射、扫描电子显微镜、和电子探针微区成分分析研究了沉积物的形貌变化和微观成分。

Main nutrition constituents of Codium cylindricum Holmes from South China Sea were analyzed. Results showed that polysaccharides, crude protein and fiber were the chief constituents (80% or so) of the marine algae dry weight.

对南海松藻的主要营养成分进行了分析，结果显示：多糖、蛋白质和粗纤维是构成藻体的主要营养成分，占藻体干基的80%左右，其中多糖占55.57%、粗纤维占11.09%、蛋白质占12.57%，但脂肪含量仅为0.59%。

Epidemiologists had long suspected that the low cancer rates in southeast China might be related to coix, a grasslike relative of maize that is a dietary staple in the region and a key ingredient of many traditional Chinese herbal medicines.

流行病学专家长期以来一直疑心，中国东南部癌症发病率低是由于那里的人们喜欢食用薏苡仁此地区的人们喜欢将薏仁作为饭食的成分，薏苡也是许多中药的关键成分之一。

Epidemiologists had long suspected that the low cancer rates in southeast China might be related to coix, a grasslike relative of maize that is a dietary staple in the region and a key ingredient of many traditional Chinese herbal medicines.

流行病学专家长期以来一直疑心，中国东南部癌症发病率低是由于那里的人们喜欢食用薏苡仁，此地区的人们喜欢将薏仁作为饭食的成分，薏苡也是许多中药的关键成分之一。

According to different alloy components and flux compone...

根据钎料的合金成分及钎料膏中钎剂成分的不同，优化半导体激光钎焊工艺参数，可以达到最佳的钎焊效果。

Methods The mitral (M1) and tricuspid (T1) valves componented of the first heart sound (S1), the aortic (A2) and pulmonary (P2) valves componented of the second heart sound (S2) were detected by short-time Fourier transformation spectrogram and Shannon engergy, in the high frequency resolution circumstance.

在频率分辨率较高的情况下，利用短时傅立叶变换声谱图和香农能量，提取出第1心音(S1)的主要成分二尖瓣关闭音(M1)、三尖瓣关闭音(T1)及第2心音(S2)的主要成分主动脉瓣关闭音(A2)、肺动脉瓣关闭音(P2)。

It was quantitatively argued that the difference in the congruent melt compositions experimentally observed for the growth of compositionally homogeneous [00.1] and [10.0] -oriented LiNbO〓 single crystals could be a result from anisotropies in the surface free energy contributed to the total free energy of a crystal nucleus.

从热力学上定量阐明了沿不同晶体学方向生长LiNbO〓单晶时同成分熔化点成分之差别可能是由不同的晶体学固液界面能所致。研究结果表明双亚点阵离子溶液模型和化合物能量模型是处理硼酸盐溶体相和氧化物离子固溶体相的有效的热力学模型。

Objective:To apply conidia of Pyricularia Oryzae to the screening of antimitotic constituents from marine animal sea hare.

目的 ：利用稻瘟霉生物活性成分跟踪筛选模型，筛选海兔中抗有丝分裂活性成分。

One component of cyanophycin is polyaspartate, which can be used as a biodegradable plastic. Polyaspartate binds calcium and therefore has potential applications in e.g. detergents as a water softener.

藻青素中有一种成分是聚天冬氨酸，这种成分可以用来生产生物可降解塑料，而且，聚天冬氨酸能够与钙结合，因此，还可以将之加入洗涤剂中作水的软化剂。

Objective: Cynomorium contains a variety of chemical composition, flavonoids are the main features of one of the ingredients.

目的：锁阳中含有多种化学成分，黄酮类化合物是其主要功能性成分之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。