芯樣測試 的英文怎麼說
中文拼音 [xīnyàngcèshì]
芯樣測試
英文
core testing-
Standard test method for alternating current magnetic properties of laminated core specimen using voltmeter - ammeter - wattmeter methods
用萬用表法測定疊片鐵芯樣品的交流磁性的標準試驗方法Standard guide for conducting a terrestrial soil - core microcosm tes
進行陸地土壤芯樣縮影測試的標準指南176 drillholes, 9 coreholes, 178 trial pits, refurbishment of 48 existing standpipes piezometers, laboratory testing of soil and rock samples obtained from the investigation works along tuen mun road
176個鉆孔， 9個土芯鉆孔， 178個探井，重整48個豎管測壓計及一系列的土壤和巖石樣本的實驗室試驗。Standard test method for alternating - current magnetic properties of toroidal core specimens using the voltmeter - ammeter - wattmeter method
使用伏特計-電流計-瓦特計方法測試環形鐵芯試樣交流磁性能的標準試驗方法By means of laboratory and field experimentation of typical semi - rigid base materials, the relationships among laboratory experimental values, field maintain values, field core values and construction criteria are put forward. and the relationships between different test methods are established. using time - temperature conversion principle, it processes the intensity assessment of field cores, then offers the method of determining the test deflection of pavement surface
通過典型半剛性基層材料的室內外試驗，研究主要設計參數的室內試驗值、野外養生值、現場取芯值及施工指標間的關系，建立了不同試驗方法間的相關關系，運用時溫換演算法則，對現場芯樣進行強度評定，並提出了路表彎沉檢測標準的確定方法。The working stress of the rc compression member in existing structures can be calculated through measuring strain change before and after drilling the hole, determining the compressive strength and elastic modulus of concrete through the drilled sample and combining the calculating results of the finite element method
該方法通過測試鉆孔前後孔邊應變的變化，利用鉆取的芯樣推定混凝土的抗壓強度和彈性模量，再結合有限元計算分析，得到已建結構中鋼筋混凝土受壓構件的工作應力。Core penetration test
樣芯貫入度測試Through the statistic and analysis of rock core crack, sonic wave velocity test, microcosmic structure of core slice observation by electron microscope, core strength test to the sampled damaged slope rock mass, it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently
通過受損邊坡巖體取樣巖芯裂隙的統計分析、聲波速度測試、巖芯切片微觀結構的電鏡觀察及巖芯的強度試驗，發現光面爆破對邊坡巖體的損傷程度與爆破規模無明顯關系，而與光爆孔的線裝藥密度有關，損傷區巖石的強度明顯降低。The core loss of specimens indicated an excellent soft magnetic performance in high frequencies of 1 - 10 khz
對試樣交流磁性能的測試表明，試樣在1khz以上的頻率下，試樣具有相對很低的鐵芯損耗。1. nizn ferrite was developed for using in mini high frequency dc - dc converters and inductors. we measured and analysed the parameters of the nizn ferrite, which we concern about when designing the dc - dc converter. 2. the low loss sample of nizn ferrite were chosen for design - optimization of the high frequency transformer. based on the relevant theoretical researches, the loss properties of the magnetic core material and winding were analyzed in this thesis
因此，以nizn功率鐵氧體材料為開關電源芯材為基礎，並優化各種開關電源的設計已成為國際上的熱點和技術瓶頸，本論文正是以上述背景為研究目標而開展工作的，主要進行的工作和創新有: 1 .對研製的新型高頻低功耗的功率nizn材料進行參數的測試，並針對dc - dc變換器設計關心的參數對芯材特性進行了分析，選擇在特定頻率下，功耗較小的nizn材料磁芯樣品作為變壓器優化設計的預備磁芯。Testing concrete in structures - part 1 : cored specimens - taking, examining and testing in compression
結構內混凝土測試.第1部分:芯樣本.壓縮取樣檢驗和試驗分享友人