鐵磁針 的英文怎麼說
中文拼音 [tiěcízhēn]
鐵磁針
英文
ferrometer-
Birds and compasses know north from south because, like a giant bar magnet, the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation
候鳥與指北針都知道何為北方、何為南方,因為地球就像一條巨型磁鐵棒,它的磁場有兩極,且這兩個地磁的磁場線和地球的自轉軸非常接近。This effect occurs because the magnetism in the material is generated by innumerable magnetic atoms, like a host of tiny bar magnets, all roughly aligned but randomly fluctuating like compass needles being jiggled about
這是因為材料的磁性是由無數個磁性原子所產生的,就像一群微小的塊狀磁鐵,它們雖大致排齊但仍不規則,就像羅盤的指針一樣不停晃動。Influenced by the alternating current field, all of the eutectic microstructure of al - 20si - 5fe - ti alloy changed into very small particles which is well - distributed on the base of a - al. electromagnetic stirring stimulates the forming of equiaxed crystal in al - 20si - 5fe - mn alloy. primary iron - phase is transformed from thick needle into smooth block
電磁攪拌促進al - 20si - 5fe - xmn合金中等軸晶的生成,初生富鐵相由原來粗厚的片狀物轉化成比較圓整的塊狀,共晶組織中鐵相主要以較短的針片狀存在。At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and violarite accompanied by magnetite and hematite.
在偉晶巖接觸帶,硫化物成分變為黃銅礦、針鎳礦、黃鐵礦及硫鎳鐵礦,伴生有磁鐵礦和赤鐵礦。Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany
同時,對磁性材料的理論基礎,尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結;尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研,特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析,在此基礎上,結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向;對企業公司原有磁件一廠進行了技術工藝改造,對建廠各項條件進行了詳細的分析,形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告,從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。The main element analysis of whole rocks, the ree analysis and the trace element analysis have been done for the granitoid samples in this area. the chemical composition analysis has been done for the amphiboie and biotite minerals. the epma and x - ray powdered crystal diffraction have been done for k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite
對本區花崗巖類樣品進行了全巖主量元素、稀土元素及微量元素分析,對角閃石和黑雲母單礦物進行了化學成分分析,對鉀長石、斜長石、角閃石、黑雲母、及石英、磁鐵礦、磷灰石和榍石進行了電子探針和x射線粉晶衍射分析。The massive magnetic field of a powerful mri machine aligns the nuclei of the atoms in the same direction, much as a magnet pulls a compass needle
一臺效能強大磁振造影儀的強大磁場能使原子核往同一方向排列成行,就好像磁鐵吸引羅盤的指針一樣。For example, if some magnetic iron was underneath and if you first slept on the left side then five minutes later, you d become just like a needle attracted by magnetic iron and sleep on the other side. laughter then later on, you d sleep like this master assumes an upside - down position, and that s not good
比方說,地底下有磁鐵之類的礦物,假如原來你朝左邊睡,五分鐘后就變成朝另一邊睡,你的身體就好像磁針一樣大眾笑,過一會兒又變這樣師父模仿一個人睡成頭下腳上的樣子,那就不是好風水了。Existing high - speed ' s temporary criterion in china aim at high - speed wheel - rail railway simply, but plane and vertical section ' s design criteria for maglev railway which run at over 350km. p. h still have no criterion to comply with
我國現有的京滬高速鐵路暫行規范,只是針對時速在200 350公里的高速輪軌鐵路,而時速在350公里以上的高速磁懸浮鐵路的平縱斷面設計標準還沒有可以依據的規范。Arm at the drawback of measure theory and measure method we have deeply studied and adopted the measure method of sst and developed double yoke iron sst
通過對這兩種方法的深入研究,針對其測量原理和測量方法的缺陷採用了磁化特性的單片測量方法,並研製了雙軛鐵單片測量裝置。Do the metal objects you are testing your battery on contain iron ? test them with a permanent magnet
你的別針本身是否含有鐵的成分?可以用一塊永磁鐵試試。Report back in the exhibit schedule : march 8, 2006 - 10 days am09 : march 10, 2006 - 12 days remove time : march 12, 2006 exhibitors range : car, car, motorcycle, light truck bearings, railway bearings, magnetic bearing spindle ; aviation aerospace marine bearings, rocket and satellite bearings ; industrial robot bearings, machining center and machine spindle bearings, textile machine bearings, motor bearings, and farm machinery bearings, paper machine bearings, bearings press, bearing mill, metallurgical mining, petrochemical machinery bearings, bearings sporting goods, marine rig bearing ; bearings, bearings gyroscope, high - precision bearings, high - speed bearings, linear motion bearings, needle roller bearings, thrust bearings, ultra - low - temperature bearings, special bearings, ceramic ball bearings, spherical with trophies bearing miniature bearings, quiet motor bearings, ball bearings, roller bearings, lubricating bearings corrosion resistant bearings, bearing joints ; bearing ring blank refinement, precision ball and roller crown, with nails cage
撤展時間: 2006年03月12日參展范圍:轎車汽車摩托車輕型車軸承鐵路軸承磁懸浮軸承電主軸航空航天航海軸承火箭及人造衛星軸承工業機器人軸承加工中心及機床主軸軸承紡織機軸承電機軸承農機軸承造紙機軸承印刷機軸承軋機軸承冶金礦山石油化工機械軸承體育用品軸承海洋鉆機軸承組合軸承陀螺儀軸承高精軸承高速軸承直線運動軸承滾針軸承推力軸承超低溫軸承特種專用軸承陶瓷球軸承帶座外球面軸承微型軸承靜音電機軸承球軸承滾子軸承潤滑軸承耐腐蝕軸承關節軸承軸承套圈精化毛坯精密鋼球凸度滾子帶釘保持架軸承滾動體等軸承部件。Against a prototype which is being produced , its three dimension end region entity model of stator is established , and with the aim of simplifying calculation , the theory of how to simplify entity model is studied , then the theory is made use of , and the end region entity model of stator is simplifi - ed ; meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied , then meshing method of three dimension end region entity model of powerformer stator is studied as well , and the simplified entity model is meshed with this meshed model , the distribution of end region magnetic field of stator is analyzed , and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced , in this paper , stator core , gap and eddy equipment are not taken into consideration , and this has a little influence on the result , but through analysis , the result is proved to be good through the example calculation , it is known that the method of this paper is useful and through theoretic analysis , it is proved that end region
針對一臺生產中的樣機,對其建立了定子端部三維實體模型,而且為了達到簡化計算的目的,研究了如何將其簡化的理論,並應用這些理論對樣機定子端部實體模型進行了簡化;研究了三維實體模型的剖分特點和定子端部實體模型存在的缺點,在此基礎之上,研究了對簡化的powerformer定子端部三維實體模型的剖分方法,並且對簡化的實體模型進行了剖分。應用剖分的三維實體模型,用有限元法分析了powerformer定子端部的磁場分佈,計算了端部區域的磁場儲能,並利用磁場儲能計算了powerformer定子端部漏抗,將計算值與設計值進行了比較、分析。由於樣機處在設計生產階段,本文暫時沒有考慮定子鐵心、氣隙和渦流器件對端部磁場的影響,這對分析結果有一定的影響,但是仍然得到較好結果。Combining the character of heiyingshan ' s lean iron ore and the experiences of hematite dressing home and abroad and locale character that located in the center of gobi desert and lacking electricity and fresh water, we have finished three ways of trial studying which are the magnetic ore dressing, lump dry - magnetic dressing and magnetic - gravity ore dressing
根據黑鷹山礦貧鐵礦石性質和國內外紅鐵礦選礦實踐,結合黑鷹山礦現場地處戈壁沙漠、缺電少水特點,選擇全磁選方案、塊礦干選-磁選方案及磁選-重選方案進行選礦試驗研究,針對選礦試驗情況對中磁?強磁(一粗一精)選礦流程進行了擴大試驗。Therefore, the stable operational region of generators is discussed along with the analysis on relationship between under - excitation operation and loss of excitation / synchronism, end temperature rise of stator - core, and automatic excitation regulators etc
針對這種情況,對發電機穩定運行區域進行了探討,並對進相運行與失磁失步、進相運行與定子鐵心端部過熱、進相運行與自動勵磁調節器等關系作了分析。The metal magnetic memory testing is a new technology which is special diagnose ferromagnetism materials with applied stress in earlier, and is belong to electromagnetic non - destructive testing ( ndt ). so the fundamental theory of ferromagnetics and the mechanics property and the electromagnetism property of metal is the theoretical foundation, some knowledge connected to them are summarized in this dissertation
磁記憶無損檢測技術是專門針對受力鐵磁性材料實施早期診斷的新型無損檢測技術,其檢測的范疇還是屬于電磁方法檢測,因此有關鐵磁學的基本理論、金屬的力學特性以及電磁特性等是研究磁記憶無損檢測的理論基礎,本論文針對有關這方面的一些基本知識作了簡要的總結。According to the content and specific features of emc and actual condition of metro car washing machine, the measurement on emc to the control system has been presented
摘要針對地鐵洗車機的實際情況,提出了減少其控制系統對外界干擾的途徑以及提高系統抗干擾能力等解決電磁兼容的措施。The main achievements of the thesis are as follows : ( 1 ) kinds of techniques to detect magnetizing inrush of traction transformers are thoroughly investigated in this paper, and their limitation are indicated and corresponding improvement techniques are proposed. ( 2 ) in this paper, flux linkage equilibriun equations are used to build " ash - box " models of some traction transformers based on system identification, such as two - winding single - phase traction transformer, impedance - matching equilibriun traction transformer and scott traction transformer
論文的主要內容有: ( 1 )詳盡分析了現有的針對牽引變壓器勵磁涌流演算法的保護演算法,提出了每種演算法的局限性及其改進方法; ( 2 )提出適用於鐵道電氣化系統中各種牽引變壓器對應的三?二相轉換規則,利用該規則可將對應量的轉換置於保護軟體中,從而可大大減輕在牽引變壓器兩端外部復雜的接線。An iron case will keep the earths magnetic field away from the compass
鐵箱能使地球磁場影響不了指南針Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ,針對當前鋼絲繩電磁檢測技術中所存在的問題,以鐵磁學為理論基礎,以試驗和現代數字信號處理技術為手段,對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究,對鋼絲繩缺陷信號的特徵參數和缺陷的定量描述指標做了詳細的分析,提出了一種局部缺陷的定量逼近方法。分享友人