試樣長度 的英文怎麼說
中文拼音 [shìyàngzhǎngdù]
試樣長度
英文
specimen length-
It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity
本研究中，木耳屬2個種的2個菌株在its區域表現出較高的保守性， 4種限制型內切酶的酶切圖譜沒有顯示出多態性；增加內切酶種類及供試菌株數量，有可能獲得具有多態性的限制性內切酶酶切圖譜； 9本實驗中， its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異，擴增片段長度均為650bp左右； 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析，紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法，兩者的關系是相輔相成，互為驗證The histologic lesions were characterized by the remarkable atrophy of intestinal villi, basal vacuolation of enterocytes, increment of the crypt and the villus - to - crypt ratio had significantly decrease. compared with that of noninoculated control chicks. besides. intestinal villi become thin and flat. or cubic, also accompanied with necrosis. many villous enterocytes were detached from the lamina propria and the lamina propria contained a diffuse infiltrate of lymphocytes, plasma cells, macrophages. the characteristic ultrastructural changes observed by electronmicroscope were swelled mitochondria and dilated endo - plasticreticulum. ribosome on the surface of endo - plasticreticulum fall off and the number of ribosome within the cell decrease
動物回歸試驗中接種兩周齡spf雞， 24h后陸續發病，表現為持續性水樣腹瀉；剖檢可見病雞脫水、小腸內有大量的液體和氣泡、腸粘膜變薄；組織學變化為腸絨毛上皮壞死、脫落，絨毛平均長度減少而隱窩深度增加，固有層中淋巴細胞浸潤。其臨床癥狀及病理組織學變化與自然發病相同。Test method for yarn number based on short - length specimens
基於短長度樣品的紗線支數試驗方法A series of tests were performed on the self - made fretting wear test rig to examine the fretting wear of steels, by taking the wear depth of steel wires as a characterization parameter describing the fretting wear in relation to contact load and fretting time. the results demonstrates that the fretting wear depth increases with the increasing of the contact load and fretting time
結果表明，鋼絲試樣的微動磨損深度隨著接觸載荷和微動時間的增加而呈增長趨勢，但由於接觸面積和接觸應力在微動磨損過程中隨著接觸載荷和微動時間的變化而變化，使磨損深度在不同磨損工況下增長趨勢不同。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Fitting density text for canny comb yarn, can set up yarm lengh, to weigh 、 calculate and print
適用於精梳高支紗的測試，可設定紗樣長度，對紗線及條子進行自動稱重、計算、列印。Standard practice for length change of cast, drilled, or sawed specimens of hydraulic - cement mortar and concrete
水硬水泥灰漿及混凝土的鑄造鉆孔或鋸斷試樣長度變化的標準實施規程According to the characters of shimadzu electro hydraulic servo controlled fatigue testing machine and ct specimen, put forward a method based on compliance of stroke displacement which reflects the displacement of loading point at first time
本項研究根據島津液壓伺服材料試驗機和ct試樣的特點，首次提出了基於通過測量反映加載點位移的試驗機活塞位移的卸載柔度法來測量裂紋長度。Extraction of large - fragment genomic dna in order to gain dna template of pcr amplification ( long pcr amplification and salvage pcr amplification ) which was high purity and large fragment, three methods were used to extract genomic dna of bacillus subtilis, i. e. low melting - point agarose embedding method, sds - proteinase k - phenol chloroform extraction method and bacterial genomic dna extraction kit method. the genomic dna of bacillus subtilis were gained by these methods, and the operated programs of the methods were improved. the results showed that the genomic dna extracted by low melting - point agarose embedding method were obviously biggest than that of another two methods
大片段基因組dna的提取為了獲得用於pcr擴增（長距離pcr擴增和分段pcr擴增）的高純度、大片段（至少為pcr產物長度的4倍）的dna模板，應用三種方法：低熔點瓊脂糖包埋法， sds -蛋白酶k -酚氯仿抽提法和細菌基因組dna提取試劑盒法，分別提取獲得了枯草桿菌基因組dna ，並對3種方法的操作程序進行了不同程度的改進，結果表明：低熔點瓊脂糖包埋法提取的基因組dna片段明顯大於后兩種方法，採用0 . 5瓊脂糖凝膠電泳3h ，仍然跑不出加樣孔。Comparative study on sampling method in course of testing fibre length
纖維長度測試中取樣方法的比較研究Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system
各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外，其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等，均可適當改變，以適應具體的色譜系統並達到系統適用性試驗的要求。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。There is a slight drop of the fcpr when the specimen s thickness increases. however, the thickness of the specimen exerts a great influence on kth and fatigue life ( n ) : the thicker specimen is, the higher fatigue life ( n ) becomes, and the greater kth shows. under control of the same conditions, the fcpr of am50 is not so high as that of az91. there are some correlations between load ratio ( r ) and the fatigue surface : when load ratio becomes great, small flat surfaces increase while dimples decrease
試樣厚度增大，穩態裂紋擴展速率略有減小。但是，試樣厚度影響試樣的疲勞壽命和門檻值：試樣越厚，疲勞壽命越長，門檻值越大；在試樣尺寸和加載條件相同的情況下， am50的疲勞裂紋擴展速率較az91小，疲勞壽命則比az91長。載荷比r影響試樣的斷口形貌：載荷比r越大，對應相同k值出的斷口小平面越多，韌窩越少。In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered
在宏觀角度上： （ 1 ）以遼寧阜新地區黃土試樣的固結試驗數據為分析對象，得到了黃土濕陷速率與含水量的關系曲線呈單峰狀態的結論，即黃土濕陷速率在土體浸水初期會隨著含水量的增加而增大，但當含水量超過某一數值趨于飽和含水量時，黃土濕陷速率卻隨著含水量的增加而減小； （ 2 ）立了黃土濕陷速率與壓力之間關系的數學模型，得出了黃土濕陷速率隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關系； （ 3 ）提供了在時間、含水量及壓力等因素共同作用下，對黃土濕陷性進行綜合評價的方法。Base on the ideal sampling theories, fiber length distributions and figrogram of samples taking from the ideal sliver by actual sampler are studied, and factors affecting the distributions curves are researched into, some basic requests and references of sampling are concluded for the future developing of sampler
摘要在理想的截面取樣理論基礎上，進一步研究了具有一定寬度的取樣夾持器以一定角度從「理想棉條」中取樣時試樣的理論分佈及照影機曲線，並結合實驗分析了取樣影響因素；根據研究結果得出了棉纖維長度測試的取樣要求，為取樣器的進一步開發提供了參? 。It adopts pc computer control, the high accuracy force value sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer
採用pc機控制，高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出It adopts pc computer control, the high accuracy force # 118alue sensing test system, step - motor direct driving ball threaded screw methods it may set arbitrary numbers for the parameters such as gripped sample length stress rate, test times etc. the testing results would be output in forms of chinese characters reporting statistics through the printer
採用pc機控制，高精度力值傳感測量系統及步進電機直接驅動滾珠絲桿方式.對夾持試樣長度.拉伸速度.實驗次數等參數均能任意設定.測試結果由印表機輸出After determining the properties of the enzyme x - 22, white lime and fly ash, and testing the functions of the stabilizers, both single and together used, the most fitful mix ratio is determined. and then all kinds of the performance are tested and satisfy the requirement of the specification. the mechanism of stabilization and the strength creasing of the mixture are studied with the help of the results of xrd and sem photos
在定量實驗中，確定了堅土酶、熟石灰、粉煤灰的含量，對其單獨作用和復合作用進行了測試，並且最終確定了穩定混合料的最佳實驗配比，然後在最佳配合比情況下測定混合料的各項指標，滿足規范提出的要求，並結合x ?衍射（ xrd ）和掃描電鏡（ sem ）分析，闡述了試樣的穩定和強度增長機理。The results show that, with the quenching temperature ( 270 ~ 380 ) increasing, the carbon content and percentage content of retained austenite increase first and then decrease, which are up to a maximum value at 360 ; the tensile strength of adi decreases ; the elongation and impact ductility of adi increase first and then decrease, which are up to a maximum value at 360 ; but the hardness of adi decreases first and then increases, which is up to a minimum value at 360
結果表明，在試驗溫度范圍內（ 270 ~ 380 ） ，試樣中殘余奧氏體的含碳量及其含量隨著等溫淬火溫度的升高先增大后減小，均在360等溫淬火時出現最大值；抗拉強度隨著等溫淬火溫度的升高而逐漸降低；伸長率和沖擊韌度隨著等溫淬火溫度的升高先增大后減小，在360等溫淬火時出現最大值；硬度則隨著等溫淬火溫度的升高先減小后增大，當360溫淬火時硬度最低。It has been put forward that quality index of geotgrids should be the tensile strength, strain, and strain rate, and the sizes of geogrid " s sample for strain test are suggested ; the tensile strength of geogrid increases with increase of width of test sample, while the strain rate decreases as the pullout rate, length of sample increases, and when the pullout speed is larger, the strain rate varies with the width and length of sample, otherwise, the strain rate has little to do with them. 2
提出了將抗拉強度、延伸率和延伸速率作為土工格柵的質量控制指標，並將士工格柵延伸速率納入某些工程設計參數；建議土工格柵的延伸率測試試樣寬度至少3根，長度至少3節；並發現土工格柵抗拉強度隨寬度增加而遞增，土工格柵延伸率隨拉伸速率、試樣長度增加而減小，當拉伸速率較大時，延伸速率與試樣長度、寬度均有關；反之則基本無關。分享友人