为什么变压器的空载损耗可近似看成铁损耗,而短路损耗可近似看成为铜损耗?

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问题:

为什么变压器的空载损耗可近似看成铁损耗,而短路损耗可近似看成为铜损耗?

考点:机械工程电机与拖动电机与拖动题库
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读四幅气压分布图,回答1—2题

小题1:如果四图都位于北半球,a、b、c、d四地风向分别是

A.西北风、东北风、东南风、南风

B.东北风、西北风、西南风、东南风

C.东南风、西南风、东北风、西北风

D.西南风、东南风、西北风、东北风小题2:四幅气压分布图中,风力最大的点是

A.a

B.b

C.c

D.d

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某公司注册资本(股本)10000万元,资本公积50万元,盈余公积余额3010万元,本年度无税后利润,董事会准备按注册资本的6%用盈余公积发放股利,按照有关规`定,实际派发的股利额应是( )。

A.560万元

B.600万元

C.500万元

D.510万元

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药物使用说明中作用与用途, 用法与用量,注意事项对于安全用药都十分重要。[ ]

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=______.

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Turkey’s Bodrum peninsula is different. The tourist boom in this part of the world (1) turned some small villages into resorts yet left neighbouring beaches undisturbed, making it quite (2) southern France or the Spanish Coasts where few stretches of coastline are undevelopeD.
The (3) for this happy set of circumstances is simple. For thousands of years, travel here (4) easier by boat than by lanD.So when mass tourism arrived in the (5) 1980s, there was no coast road for ribbon development to follow. So the peninsula, just (6) hour from Bodrum airport, has not become one long littoral of resort.
The building (7) new hotels has mainly been confined to places easily reached by then relatively (8) roads. Such ease of access has made Gumbet, near Bodrum, a busy resort, while the little fishing village of Gumusluk, 12 miles further west and only recently reachable by (9) , remains tranquil and undisturbeD.
It’s worth thinking carefully about location when planning a family (10) on the peninsulA.Choose a place that is centrally located, preferably out of earshot (11) Bodrum town’s "lively"—which means nosy—nightlife, and you can then use (12) area’s comfortably small scale to your advantage. Today’s new roads mean most places can (13) reached in under an hour by taxi or the ubiquitous dolmus-minibus.
The (14) of facilities at the Tamarisk Beach Hotel near the small village of Ortakent makes (15) a good base. The family-run hotel—rooms and suites are in two-storey buildings (16) by palm trees and flowers in terracotta pots—sits above its own sandy (17) beach, shaded by tamarisk trees and sheltered by nearby islands.
The hotel is (18) child-friendly, too. Children, from infants up to young teenagers, can take part in a (19) of games and activities that include tuition in windsurfing, dinghy (20) catamaran sailing.

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