韶山型 的英文怎麼說
中文拼音 [sháoshānxíng]
韶山型
英文
ss1-
Be in from 1912 in relics of culture of the neo - lithic age of village of yang shao of county of henan mian pool after discovery, the province area such as gansu province, qinghai, shaanxi, ningxia, henan, heibei, shanxi, shandong, jiangsu, sichuan, hubei all comes up out of land in succession, they belong to different culture type respectively
自1912年在河南澠池縣仰韶村新石器時代文化遺址中發現后，甘肅、青海、陜西、寧夏、河南、河北、山西、山東、江蘇、四川、湖北等省區均陸續出土，它們分別屬于不同的文化類型。With advantageous water, soil and organisms resources, the dadiwan culture, the yangshao culture, the longshan culture and the xiashang culture developed, original settling - down dry farming culture formed gradually, which laid sound foundation for agriculture civilization in the weihe valley ; among which, land use of arable farming was replaced largely by pastoral farming in the mixed area of agriculture and animal husbandry in north weihe region between 4 000 - 3 000 a b. p., because of dry and cold weather resulted in environment deterioration and soil degradation. at the beginning of 3 100 a b. p.,
在8500 3100abp全新世大暖期，渭河流域水、土、生物資源條件優越，人類發展了大地灣文化、仰韶文化、龍山文化和夏商文化，逐步形成了原始定居旱作農業類型文化，從而奠定了渭河流域農業文明的基礎，其間在4000刁000ab衛，渭河流域北部的農牧交錯帶，由於氣候的逐漸冷干化，導致水、土、生物資源退化，造成旱作農業土地利用方式由遊牧業取而代之。It had chosen shaoguan, the key city of yuebei mountain area as the case
論文選取在國內具有典型代表意義的粵北山區中心城市韶關作為研究實證對象。Put forward is the future plan on the improvement of the forge - weld hbbb, which is helped to research and design of the hbbb for the ss7 - type electric locomotive and other electric - driving locomotives in the future
提出了鍛焊抱軸箱體攻關工作的進一步設想，對今後韶山7型電力機車抱軸箱體的進一步攻關及其它電傳動機車抱軸箱體的設計和研究，有一定的借鑒作用。Prolonging the fatigue life of the hbbb for the ss7 - type electric locomotive relies on improving cast process and cast quality
提高韶山7型電力機車抱軸箱體使用壽命的出路在於改進鑄造工藝，提高鑄件質量。Summed up is the process of the crack treatment on spot, the theory analysis and the design improvement of the hugging - bearing box body ( hbbb ) for ss7 - type electric locomotive
全面總結了韶山7型電力機車抱軸箱體在使用中發生裂紋的現場處理、理論分析和設計改進的過程。The pictures of probabilistic characteristic in both sides of impendence matching balance transformers are drawn, and probabilistic density figures are also given. the simulation model of shaoshan 4 electrical tractor is raised, at the same time facing the restriction of probabilistic method, the paper raised that using monte carlo simulation absorbed harmonics currents of the model of electrical tractor and simulated the superposition of low harmonics currents. through compared with real time data, the monte carlo simulation can be confirmed, and the breakthrough point of restriction of using probabilistic method is discussed
為了有效模擬機車在運行中所產生的諧波電流，本文在matlab的平臺空間中建立了韶山4型電力機車的模擬模型，導入到matlab運算程序中，對低次諧波電流疊加進行模擬，從而證實了蒙特卡羅模擬法仍然是目前較為可靠可行的方法，同時討論了在電牽引系統中針對低次多諧波源疊加使用基於中心極限定理的概率分析方法必須使用相關參數進行修正，即需要和電力機車的帶電運行方式有機的結合在一起。A model of an 110kv three - phase network is established by matlab / simulink spsfirstly, and the disturbance of harmonic in power system is simulated by a type - ss1electric locomotive in this model. secondly, kinds of short faults are analyzed, thestable and transient voltage waves are obtained. then, a de - noising method is presented, which is based on wavelet packettransform and has better resolution in time and frequency domain
首先利用matlab / simulink電力系統工具箱中的模塊建立了一個110kv的三相輸電網路模擬模型，並以韶山1型電力機車為原型，實現對電網中主要諧波源的模擬;然後，對該輸電網路中多種短路故障進行了分析，並給出在穩態擾動和暫態擾動情況下的電壓擾動信號波形。分享友人