【正文】
I see 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 42 the choice of verbatim translation as an effort for conveying exotica. It is fairly petent, with no error that I could detect, but fails to rise above words or capture the essence of the language. A cultural product usually crosses over to a foreign territory first by an emphasis on the monalities. But whether inside or outside China, the temptation to sell it for the differences is just too great. Sure, the sumptuous sets and costumes are a big attraction, but the narrative technique has bee- how shall I put it?- a bit anglicized, which is necessary for cultural export. Judging by the responses, this legend, which, contrary to the claim of the English trailer, is totally fictitious, has departed from China but not yet landed on American shores. I am a big fan of Ralph Waldo Emerson39。 he wondered how in the world he came to belong there. Indeed his penning and publishing this essay caused his exmunication from high society and also caused him a lot of legal trouble. The legal trouble came as a result of the fact that he was speaking out against the government. I like to reference such texts from time to time as an example both of the fact that history does repeat itself and that this world is not so big that what applies to one society does not in any way touch another society. On a much smaller scale,Emerson39。 names and figuring out what to do with them for the brief time each week that I stand in front of them. I do not consider the challenges of learning to live here part of a purposeful life. I consider those issues existential in nature. One of the problems with my life in America was that I felt it had no purpose. I went to work every day and even did what I could to make my colleagues39。m nothing if not that! In his text he expounds on the idea that one must give their life a purpose. And that is the true topic of this entry. These last four years have been so easy: teach for a grand total of six hours a week, and the rest of my time is mine. Since I39。ve not yet read it, I strongly encourage you to do so. In this essay, the venerable Emerson talks about eschewing the trappings of society and finding one39。s cultural foray overseas, has been widely panned by its home audience. Retitled Empresses in the Palace, the American version has been shortened from its original 76 episodes at 45 minutes each, to six 90minute episodes. The quick pacing threw off many native viewers, who are accustomed to a more leisurely daytimesoapstyle narrative rhythm. (Chinese TV stations would run two or three episodes every day.) I did not finish the fulllength version and found the truncated one not difficult to follow. What39。s villages and entertain nomadic families, but their fame has spread around the world. On May 16 and 17, nearly 100 singers and dancers from the troupe performed at Beijing39。t help but sing the folk songs, Nasun says. The vastness of Inner Mongolia and the lack of entertainment options for people living there, made their lives lonely. The nomadic people were very excited about our visits, Nasun recalls. We didn39。 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 40 參考文獻(xiàn) [1] 鄭文緯 吳克堅(jiān)主編, 機(jī)械原理,東南大學(xué)機(jī)械學(xué)學(xué)科組 , [2] 濮良貴 紀(jì)名剛主編, 機(jī)械設(shè)計(jì),高等教育出版社 , [3] 機(jī)械制圖 ,大連理工大學(xué)工程畫教研室編 , 2022,2 [4] 秦曾煌主編, 電工學(xué),高等教育出版社 , [5] 鐘日銘等編著, UG 完全自學(xué)手冊,機(jī)械工業(yè)出版社 , [6] 廖念釗 古瑩菴 李碩根 楊興駿主編, 互換性與技術(shù)測量,中國計(jì)量出版社 [7] 冉新成 主編,塑料模具, 印刷 工業(yè)出版社有限公司 , 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 41 您好,為你提供優(yōu)秀的畢業(yè)論文參考資料,請您刪除以下內(nèi)容, O(∩ _∩ )O 謝謝?。?! A large group of tea merchants on camels and horses from Northwest China39。在這里我要感謝這些資料的 著作 者 ,正是他們書寫的一本本人類文明的臺階,幫助我一步步踏上了通往真理的殿堂。這篇論文從拿到課題開始,投入了我大量的時(shí)間和心血,但由于本人的駑鈍,設(shè)計(jì)的內(nèi)容和論文的完成程度都不是很讓人滿意。 本裝置的電路部分配合使用多種電子元件,實(shí)現(xiàn)了兩大功能:直接給手機(jī)沖電和給4節(jié)號充電電池充電。而胯關(guān)節(jié)是人在行走過程中運(yùn)動幅度和力量最大的部位,并且將 發(fā)電裝置放在腰間也是比較舒適的。 LM339引腳圖 如圖 38所示 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 35 38 表 32 LM339引腳功能列表 引腳 符號 功能 1 OUTPUT2 輸出端 2 2 OUTPUT1 輸出端 1 3 V+ 電源正 4 INPUT1 反相輸入端 1 5 INPUT1+ 同相輸入端 1 6 INPUT2 反相輸入端 2 7 INPUT2+ 同相輸入端 2 8 INPUT3 反相 輸入端 3 9 INPUT3+ 同相輸入端 3 10 INPUT4 反相輸入端 4 11 INPUT4+ 同相輸入端 4 12 GND 電源地 13 OUTPUT4 輸出端 4 14 OUTPUT3 輸出端 3 電池電量顯示電路圖 根據(jù) LM339相關(guān)應(yīng)用,設(shè)計(jì)電池電量顯示電路如圖 39所示 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 36 圖 39 總電路 總電路如圖 310 所示 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 37 圖 310 當(dāng) k1接通, k2斷開時(shí),實(shí)現(xiàn)功能 1;當(dāng) k2接通, k1斷開時(shí)實(shí)現(xiàn)功能 2. 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 38 總結(jié) 隨著時(shí)代的發(fā)展, 清潔能源的開發(fā)必將成為時(shí)代的主流。該顯示電路使用四電壓比較器 LM339 為主要電子元件。高輸入電平。當(dāng)電池充電完成時(shí) STDBY被內(nèi)部開關(guān)拉到低電平,表示充電完成。當(dāng) Vcc與 BAT 管腳的電壓差小于 30mV 時(shí), TP4056 將進(jìn)入低功耗的停機(jī)模式,此時(shí) BAT 管腳的電流小于 2uA BAT(引腳 5):電池連接端。在預(yù)充電階段,此管腳的電壓被調(diào)制在 ;在恒流充電階段,此管腳的電壓被固定在 1V。如果 TEMP管腳的電壓小于輸入電壓 45%或者大于輸入電壓的 80%,意味著電池溫度過低或過高,則充電被暫停。 TP4056 在有電源時(shí)也可置于停機(jī)模式 。熱反饋可對充電電流進(jìn)行自動調(diào)節(jié),以便在大功率操作或高環(huán)境溫度條件下對芯片溫度加以限制。 該裝置在電池座板上設(shè)計(jì)有專門的電池盒用以放置充電電池,如圖 36所示 圖 36 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 32 號充電電池相關(guān)參數(shù) 尺寸 :直徑 14mm,高度 49mm 標(biāo)稱電壓: (充滿電后電壓 ,放電截止電壓 3V) 輸出電流: ≤2A 容量: 4600mah 內(nèi)阻:電池小于 80mΩ 使用壽命:循環(huán) 1000 次后容量下降 30% 所用元件介紹 TP4056 是一款完整的單節(jié)鋰離子電池采用恒定電流 /恒定電壓線性充電器。如圖 35為引腳排列圖: 35 參數(shù) : 輸入電壓: 輸出電壓可調(diào)最大 12V 可調(diào)電流保護(hù): 封裝: SOT236L 特性: 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 31 ( 1) 可調(diào)輸出電壓為直流 ( 2) 內(nèi)部固定脈寬調(diào)制頻率: ( 3) 精度反饋參考電壓( 177。升壓電路如圖 34所示 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 30 34 元件介紹 FP6291 是電流模式的 DCDC 升壓 轉(zhuǎn)換器。 綜上所述: 若不計(jì)磁漏則 ? =BA=μ Hπ R2 =4π 710? 44 310? π = 104韋 轉(zhuǎn)子的轉(zhuǎn)速的計(jì)算: 先計(jì)算角速 ω= 360 ???n? = 60 ???? =48π 式中 : n為傳動比,人的行走速度為每秒 ,每步轉(zhuǎn)動的角度為 60度。 直流電機(jī)電刷間的電動勢常用下式表示 E=K? ? n 式中, ? 是一個(gè)磁極的磁通,單位是韋 [伯 ]( Wb); n 是電樞轉(zhuǎn)速,單位是轉(zhuǎn)每分( r/min); K?是與電機(jī)結(jié)構(gòu)有關(guān)的常數(shù) (查閱相關(guān)資料 K?可表示為 K?=,; E的單位是伏[特 ]( V)。顯然,每一有效邊中的電動勢是交變的,即在 N極下是一個(gè)方向,當(dāng)它轉(zhuǎn)到 S極下時(shí)是另一個(gè)方向。 ⑤ Kraton 用途 : 摩打墊 煙臺大學(xué)畢業(yè)論文 (設(shè)計(jì) ) 25 特性 : 具有 彈性 、 韌度高 、 延伸性強(qiáng) 的特點(diǎn),且柔軟。 ( 6) 塑料零件材料的選擇原則 : ① ABS 用途 : 玩具、機(jī)殼、日常用品 特性 : 堅(jiān)硬、不易碎、可涂膠水,但損壞時(shí)可能有利邊出現(xiàn)。 ( 5) 零件的所有的轉(zhuǎn)角盡可能設(shè)計(jì)成圓角或者用圓弧過渡 ,優(yōu)點(diǎn)如下: ① 采