In Refs.[1] and [2], the superior magnetic properties have been reported for theexpensive synthetic ultra-microcrystalline Fe<sub>73.5</sub>Cu<sub>1</sub>Nb<sub>13</sub>Si<sub>...In Refs.[1] and [2], the superior magnetic properties have been reported for theexpensive synthetic ultra-microcrystalline Fe<sub>73.5</sub>Cu<sub>1</sub>Nb<sub>13</sub>Si<sub>13.5</sub>B<sub>9</sub> and Fe<sub>73.1</sub>Cu<sub>12</sub>Nb<sub>3.2</sub>Si<sub>12.5</sub>B<sub>10</sub>alloys. Partly replacing the expensive Nb by cheap Mo, we developed a new material,which was made into ribbons with the thickness of 28 μm and width of 3.0cm.展开更多
【教学目标】1.知识目标:能听、说、认读四个单词:colourful,pretty,cheap,expensive;掌握描述颜色和价格的句子:It is colourful\pretty\cheap\expensive.2.能力目标:能在实际生活中运用句型,并能作相应的替换。3.情感目标:能以得体的...【教学目标】1.知识目标:能听、说、认读四个单词:colourful,pretty,cheap,expensive;掌握描述颜色和价格的句子:It is colourful\pretty\cheap\expensive.2.能力目标:能在实际生活中运用句型,并能作相应的替换。3.情感目标:能以得体的方式与人交际。【教学重难点】单词pretty,colourful,cheap,expensive的认读;单词expensive的发音。【教学过程】Step I:Warm Up1.Creeting:Hello!How are you today?…2.Sing a song.3.Free Talk,复习服饰类单词。展开更多
文摘In Refs.[1] and [2], the superior magnetic properties have been reported for theexpensive synthetic ultra-microcrystalline Fe<sub>73.5</sub>Cu<sub>1</sub>Nb<sub>13</sub>Si<sub>13.5</sub>B<sub>9</sub> and Fe<sub>73.1</sub>Cu<sub>12</sub>Nb<sub>3.2</sub>Si<sub>12.5</sub>B<sub>10</sub>alloys. Partly replacing the expensive Nb by cheap Mo, we developed a new material,which was made into ribbons with the thickness of 28 μm and width of 3.0cm.
文摘【教学目标】1.知识目标:能听、说、认读四个单词:colourful,pretty,cheap,expensive;掌握描述颜色和价格的句子:It is colourful\pretty\cheap\expensive.2.能力目标:能在实际生活中运用句型,并能作相应的替换。3.情感目标:能以得体的方式与人交际。【教学重难点】单词pretty,colourful,cheap,expensive的认读;单词expensive的发音。【教学过程】Step I:Warm Up1.Creeting:Hello!How are you today?…2.Sing a song.3.Free Talk,复习服饰类单词。