This paper gives a study on the manufacture of low-clinker pavement cement by solid waste residue from phosphorus production with FR-2 low alkalinity solid additives.
本文以磷渣为主要原料，采用FR-2型低碱性固体激发剂，进行了影响少熟料磷渣道路水泥强度的因素研究；
To detect micro - volume selenium by atomic fluorescence spectroscopy using discontinuous flowing hydride generation in fr uits.
应用断续流动氢化物发生原子荧光光谱法对水果中微量硒进行了分析研究。
So a FR algorithm is designed by fusing holistic and local features in subspaces, which is inspired by Human Visual System (HVS).
本文模仿人类视觉系统的特点，提出了融合局部和整体特征子空间的算法。
This paper describes the hybrid-construction PCB were fabricated by the FR-4 laminate and high performance low-loss prepreg to achieve lower signal crosstalk and permit lower cost.
综述了采用低成本的常规FR - 4层压板芯材和低介电常数高性能的半固化片形成的混合结构印制板，它具有较低的信号串扰和较低的成本。
The structure and properties of polymer were investigated by using fr IR, electron diffraction and element analysis.
通过元素分析、红外光谱、电子衍射和接触角测定等研究了聚合物结构与性能。
The achievement is of great practical meaning and may be referenced by our counterparts fr repairing similar equipment.
这一成功有很大的实用价值，对于类似设备的修复有一定的借鉴意义。
Molecules are damped to pass interface by interfacial free energy, interfacial fr.
分子通过界面时需克服界面自由能，界面两侧的浓度不一致。
But it is still a subject for deep research and complete conservation. So we hope more attentions should be paid by all society and the experts fr...
然而，深入研究、全面保护，仍是亟待解决的大课题，希望能引起全社会和各学科专家学者的关注。
Freud published his essay in the July publish of the Centralblatt fr Therapie, concluding it by drawing care to the feasible hereafter USES of the drug as a regional anaesthetic.
弗洛伊德在七月号的《医疗专刊》上发表了一篇文章，在篇末他指出将该药用于局部麻醉的可能性。
The antibiotic 2507 has also satisfactory effect for controlling chinese cabbage downy mildew disease infected by Peronospora parasitica Fr. with efficacy 87.5%in field test.
结果表明，抗生素2507在温室人工接菌情况下，防治黄瓜疫病的效果可达95%以上，田间小区防治小白菜霜霉病的效果达到87.5%。
The antibiotic 2507 has also satisfactory effect for controlling chinese cabbage downy mildew disease infected by Peronospora parasitica Fr. with efficacy 87.5%in field test.
结果表明，抗生素2507在温室人工接菌情况下，防治黄瓜疫病的效果可达95%以上，田间小区防治小白菜霜霉病的效果达到87.5%。
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