It can be used in LF transmissions.
它可以在低频传输使用。
For developing the new breed steel, the paper explored the technological way of refining effect in LF.
本文旨在探索酒钢LF炉精炼效果的工艺途径，为今后酒钢开发超低硫品种钢提供依据。
The increase of Al content and change of inclusion composition is occurred for Sikilled or lightly Alkilled steels in LF process.
硅镇静钢及少量铝脱氧的钢在LF处理过程中会发生钢水中铝含量增加以及夹杂物组成改变的现象。
The processes such as slag making, desulfurizing, deoxidizing and controlling cleanness of steel in lf are analyzed and optimized.
分析了LF炉的造渣、脱硫、脱氧、氩气搅拌、钢液纯净度控制等工艺制度。
In this paper we give conpcept of pairwise (sime-) well compact sets in LF bitopological spaces and we discuss their property and relation.
本文在LF双拓扑空间中给出双-（半-）良紧集的概念，并讨论了它们的性质和相互关系，获得了一系列结果。
Regular order homomorphic mapping and regular continuity concepts are introduced by concepts of regular closed sets in LF topological spaces.
利用正则开（闭）集引入LF拓扑空间之间的几种正则序同态和几种正则连续性，并讨论了它们的性质及其相互关系。
The definition of U-subspace was induced by restrict of sets in LF-topology topology space. Moreover, some of their basic properties are also examined.
在LF-拓扑空间上通过集族的限制引入了子空间概念，并讨论了子空间的一些性质。
Conclusions Relative changes in LF/HF ratio of FHR variability in relation to a significant ST-event are more pronounced in fetuses born with metabolic acidosis.
结论：S T改变相关的胎心率低高频比值变异能更好的反应新生儿代谢性酸中毒。
The change of hydrogen content during steelmaking process was investigated firstly. It was found that hydrogen content in liquid steel is rapidly increased in LF process.
调查了首钢炼钢生产流程中的氢含量变化规律和铸坯碳偏析情况，研究表明LF处理工序是钢水增氢的主要位置。
In the case of a bad login, we added a querystring parameter of "lf." we also added some custom code (that's what those JSP ICONS indicate) to handle this.
在登录失败时，我们添加了一个查询字符串参数“lf”。
A new method of separation and purification of lactoferrin (LF), its radioimmunoassay (LF-RIA), and application in the diagnosis of lung cancer are reported.
报道了乳铁蛋白(LF)的一种新的分离、纯化方法，LF的放射免疫测定(LF -RIA)及其在临床肺癌诊断上的应用。
The change of nitrogen content and its affecting factors in process of converter production, LF and continuous casting are studied and discussed.
通过对唐钢第一炼钢厂转炉、LF和连铸生产过程的研究，讨论了各工序钢水中氮的变化及其影响因素。
Therefore the amount of carbon and alloy addition should be decreased during LF refining to decrease the raise of nitrogen in steel.
因此在LF精炼时减小碳和合金加入量可减少钢中氮含量的增加。
Nowadays in Changcheng Steelworks, the unreasonable LF process has become the bottleneck for high speed steelmaking of "EAF-LF-(VD/VOD)-CC/ingot casting".
目前在攀长钢，不合理的LF精炼工艺已经成为制约“电弧炉—LF炉—（VD/VOD炉）—连铸或模铸”高效炼钢的瓶颈。
Thresholds of rats in the LF group were significantly higher on all postoperative days compared with the control group.
而乳铁蛋白组在术后各个时间点的阈值均显著高于对照组。
The concepts of a net of LF sets and its convergence in an LF topological space are introduced, their properties are systematically studied, and more interesting results are obtained.
在LF拓扑空间中引入LF集网及其收敛性等概念，系统地研究了它们的性质。
The compensation of damaged goods is covered in the insurance of risk of breakage. lf you claim, the affixation insurance will be added.
货物破损的赔偿属于破损险的责任范围，如果贵方要求的话，可以加保这项附加险。
Adhere to the technical-oriented and investment in talent, with a laige number lf senior professional and technical personnel and professional management team.
坚持以技术为导向，重视人才投入，拥有大批高级专业技术人员和专业化管理团队。
Study Design. A clinicopathologic study of synovial cysts in the ligamentum flavum (LF) in patients with spinal stenosis.
研究设计：椎管狭窄症患者中黄韧带内滑膜囊肿的临床病理学研究。
The ratio of the low frequency to high frequency components in HRV power spectrum(LF/HF) fluctuates with the change in the sleep stages.
HRV频谱中低频和高频成分的比值（LF/HF）随着睡眠深度的变化而波动。
As I have been working for hard, I am not afraid of performing in front lf people.
当我已经工作为难的，我在前面的如果人中表演不怕。
Oil refining enterprise is one lf continuous automatic production and its operating personnel work regularly in the workroom keeping watch over the instrument control equipment?
目前的炼油工艺都是连续性自动化生产，其操作人员的正常工作主要是在值班室通过监视仪表来控制装置。
Each LF fan is controlled through transducer, and one transducer only controls one set of fan, which saves energy, guarantees proportionality of pressure in each area.
各层流风机均由变频器进行控制，并且一台变频器只控制一台风机，节省了能耗，保证了各区压力值的均衡性。
The structure and function of LF furnace are introduced, The suitable steel grades and cost for LF refining furnace are emphasized in this paper.
从电弧炉与LF炉的匹配角度简要介绍了LF炉结构及其功效，着重分析了适宜LF炉精炼的钢种以及LF炉精炼成本。
Some applications of se lf-assembly technique in molecular-level manipulation conjugated polymer have been introduced.
介绍了自组装技术用于处理共轭高分子的一些实际应用。
It is difficult to establish a simple model which the mathematic or mechanical method can be used in the selection lf mining method, due to many influence and constraint factors.
由于采矿方法选择受诸多因素影响和制约，难于建立一个用数学或力学模型的方法加以处理。
It is difficult to establish a simple model which the mathematic or mechanical method can be used in the selection lf mining method, due to many influence and constraint factors.
由于采矿方法选择受诸多因素影响和制约，难于建立一个用数学或力学模型的方法加以处理。
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