純實驗法 的英文怎麼說

中文拼音 [chúnshíyàn]
純實驗法 英文
true experimental method
  • : 形容詞1 (純凈; 不含雜質) pure; unmixed 2 (純粹; 單純) simple; pure and simple 3 (純熟) skil...
  • : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. In order to elaborate the app licability of osl to loess, especially single aliquot regenerative protocol ( sar ), involving stimulation of the same disc with an infra - red laser diode followed by blue leds to polymineralic fine - grains of loess, such explanations as light bleaching, preheat, anomalous fading, prior - ir exposure were investigated in this paper. for drawing adequate coarse grains from loess, quartz and feldspars, as well as loess, were etched by hydrofluoric acid and fluorosilicic acid. the sequence of ages of holocene loess in weihe rivier basin has been established by single - aliquot ( sar ) and multiple - aliquot using fine - grains and sar using coarse - grains

    本文通過渭河流域全新世黃土的光曬退,地表黃土樣品的d _ e值測定,細顆粒單片的預熱、反常衰退、紅外暴露,說明釋光測年在全新世黃土中應用的可行性及單片再生劑量( sar )在黃土細顆粒中的適用性;為了從黃土中分離出足夠的粗顆粒,進行了石英和長石的氫氟酸( hf )和氟硅酸( h _ 2sif _ 6 )溶蝕,黃土粗顆粒石英溶蝕分離;通過細顆粒單片、多片的blsl 、 irsl和post - irosl ,熱釋光,及粗顆粒石英的blsl的年代測定,選擇適于全新世黃土的釋光測年方,並建立了渭河流域全新世黃土的年代序列。
  2. The mensuration of the biologic activity of the formica rufa linnaeus polypeptides. in the part, we used the experiments in vitro studies, the lymphocyte transformation, to mensurate the biologic activities of the polypeptides whose contents are higher than others ". the conclusion is the polypeptides have the immunological activity

    紅褐林蟻多肽蛋白質的生物活性測定本部分用體外的方? ?淋巴細胞轉化對分離、化所得含量較高的多肽蛋白質的生物活性進行測定,結論為所得到的多肽具有抑制淋巴細胞轉化的免疫活性。
  3. We launched an integrated designing experiment to isolate, purify and identify a protein from a tissue, we also set up a designing experiment isolating - globin from serum

    開設蛋白質分離、化、鑒定的綜合性,並開設了設計性從血清中初步分離-環蛋白,由學生自己查找原理和方、自己設計步驟、自己動手施,並且用獲得的樣品進行精細分離和鑒定。
  4. Study on yield and purity of potassium nitrate ' s preparation experiment from method of transformation

    轉化制備硝酸鉀中的產率和
  5. Experimental results show that the cascading of the speech enhancer and a hidden markov model ( hmm ) based speech recognizer can significantly improve recognition accuracy in noisy environments without performance degradation for clean speech

    通過3種不同的增強演算用於凈語音和3種類型帶噪語音的結果分析比較表明,這一方凈語音的識別精度幾乎沒有任何改變而大大提高了系統的抗噪聲性能。
  6. The virus was purified by ultracentrifuge. according to the ns gene sequence published by genbank, one primer t - 1 was designed to amplify the cdna by reverse transcript. the other primers nsl - u / ns1 - 1 and ns2 - u / ns2 - 1. hns2 - u were designed to amplify the ns1, ns2 and hns2 gene

    用接種雞胚的病毒增殖方獲得了a / chicken / mudanjiang / 0823 / 00 ( h9n2 )分離株的大量增殖,增殖病毒經差速離心進行化,經超迷離心濃縮。
  7. Method : 120 rabbit vessels were randomly divided into three groups : the vessel of control group in cryopreservative medium containing calf serum were subjeted to rate - controled slow freezing ; those of experiment group i in cryopreservative medium containing mixed animo acids were frozen by the same method as in control group ; and those of experiment group ii in the same cryopreserative medium as in control group were subjected to rapid freezing

    材料和方:取中國種家兔股動脈120段,隨機分為3組:對照組用含胎牛血清的保護液處理,以慢凍方式降溫;組1用含復方氨基酸的保護液處理,以慢凍方式降溫;組ii用含胎牛血清的保護液處理,用速凍方式降溫。
  8. This experiment is to probe the factors, such as the effect of the kid ' s suckling, the butchering age and the ay of the abomasums treatment on the chymosin activity ; the activation of the prochymosin ; the purification and separation of chymosin and the characterization of chymosin and pepsin, using cuan zhong dairy kid ' s abomasums as material, which would provide the theoretic base for the exploitation of the kid chymosin and its application to the cheese production

    以關中奶山羊皺胃為原料,對羔羊哺乳狀況、屠宰年齡、皺胃處理方式和不同提取方對凝乳酶活性的影響,凝乳酶原的激活,凝乳酶化與分離以及凝乳酶和胃蛋白酶特性進行了系統的研究,為羔羊凝乳酶開發以及在乾酪生產中的應用提供理論基礎。
  9. In this experiment, radio - immunoassay and hybridization in situ were applied to observe the insulinotropic activities of glp - 1 ( 7 - 36 ) nh2 and reveal the mechanisms underlying this process. methods : rat pancreases were removed from 3 - 5 day - old sprague - dawley rats and dissected into 0. 5mm3 segments and islets were isolated by the collagenase digestion method of wangling et al. thoroughly washed islets and suspended in modified rpmi - 1640 medium supplemented with 10 % fetal bovine serum, and added to 50ml cell culture flasks

    :胰島的分離參照王玲等的方,每次取新生3 - 5天sd大鼠,無菌條件下剖腹取出胰腺,剪切為0 . 5mm ~ 3的組織塊, v型膠原酶消化30min后,離心洗滌,懸浮於完全培養基,接種入50ml培養瓶,於5 co _ 2 、 95空氣條件下培養20h ,轉板化,接種於96孔培養板培養24h ,按要求進行
  10. In order to study the function of cycling2 in vitro culturing cell line, we used pires - g2 eukaryotic expression vector transfecting human gastric cell line sgc - 7901 and human embryo kidney hek - 293 cells by lipofectamine plus reagent, and studied the function of cycling2 expression on the cell proliferation in vitro, further investigated the regulation mechanism of cycling2. at the same time, we made a study on the expression level change of cycling2 in normal gastric tissue and different type and different stage of gastric carcinoma tissue. material and method 1 material : piresneo vector was purchased from clonetech, plasmid extraction and purification kit was purchased from qiagen company ; rpmi 1640, dmem fetal calf serum were obtained from gibco / brl ; lipofectamine plus and g418 were purchased from life technologies ; ultrasensitive ? s - p kit, mouse monoclonal antibody p21wafl ( in use ), dab staining kit were purchased from maixin company

    材料與方1 .試劑高糖dmem 、 rpmll640和胎牛血清購自美國g山eo / brl公司; dmewf12 ( 1 : 1 )混合培養液購自美國hyclone公司;胰蛋白酶購自美國si目叮a公司; hepes由美國amersco公司分裝;脂質體轉染試劑( upofectalnineplusreageni )和以18為美國玩vitrogen公司產品; piresneo載體購自美國cloneteeh公司;質粒提取及化試劑盒購自德國qiagen公司; ultresensitive翎s一p免疫組織化學試劑盒;鼠單克隆抗體戶3 ( do一7 )蛋白(即用型) ;鼠單克隆抗體p21waf , (即用型) ; dab染色試劑盒均購自福建邁新公司;鼠單克隆抗體pziwa曰(濃縮型) ;辣根過氧化酶標記羊抗鼠二抗購自北京中山公司; ecl試劑盒購自美國santacruze公司; dcproteinassay試劑盒購自bi 。
  11. In the hipib film deposition, high purity graphite was employed as target. relations between process parameters and the microstructure, as well as different physical properties of diamond - like carbon ( dlc ) film deposited by hipib ablated plasma were studied by adjusting the distance between target and substrate, which affects the intensity and ion energy of hipib ablated plasma, and the temperature of substrate in the film deposition processes. the mechanism of film deposition by hipib ablated plasma was explored also

    在薄膜沉積方面,利用高石墨作靶材,調整薄膜沉積過程中的靶基距(燒蝕等離子體密度、離子能量)和基片溫度,研究工藝對hipib燒蝕等離子體方制備的dlc薄膜的微觀結構和宏觀物理性能的影響,探討了hipib燒蝕等離子體沉積dlc薄膜的成膜機理。
  12. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算並使用高鍺探測器探測歐共體低濃鈾標準樣品,使用pc fram軟體的預設參數並不能得到準確的富集度值,通過大量的,本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本室條件下準確分析鈾富集度的修正參數和條件。
  13. The results showed mn and ni complexes possibly bind to dna by the mode of interaction, whereas zn complex possibly bind to dna by the modes of interaction and electrostatic binding. 5. in addition, we conjugated cleavage system with recognize system and analyzed joint products by hplc, which provide experimental basic for design of dual effects cleavage

    此外,本文還選用咖啡酸品來突破切割體系與識別體系(用氨基臂修飾的寡聚脫氧核苷酸)的連接,並用高效液相色譜分析其偶聯產物,為今後設計併合成一種具有特異識別和高效切割雙重功能的人工核酸酶提供了基礎。
  14. This series apparatus takes tap water as source water to producer pure water by mode of electric heating distilling with reasonable structures, easy operation, stable water - quality, & safe - durable use, it ' s ideal for clinicccs, hospitals, laboratories, electroplating, etc

    本系列不銹鋼斷水自控電熱蒸餾水器,以自來水作為源水,用電加熱,蒸餾方制取水,供醫療衛生、藥、鍍及室等部門使用,本產品結構合理,使用方便,操作簡單,出水量大,安全可靠,水質穩定,經久耐用。
  15. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  16. The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge

    採用改進的次氯酸鹽氧化(濕) ,以工業級的原料,在室內,從1到4倍率規模合成高度、高收率的fe ( )化合物起始物? ?高鐵酸鉀,度可達98 、收率在80以上;再以高鐵酸鉀為原料合成堿土金屬fe ( )化合物或其他fe ( )復合物,其中堿土金屬fe ( )化合物度可達94以上。
  17. In this paper, pure and doped ktp crystals were grown from the flux using a top - seeded method, and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp, the values is up to 10 - 10 ( cm ) - 1, this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity. the growth condition, doped elements and annealing technology were investigated. single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth

    採用頂部籽晶熔劑生長了的以及不同摻雜的ktp晶體,用特殊工藝處理技術將普通熔劑ktp的電導率降低了三個數量級,達到了10 ~ ( - 10 ) ( cm ) ~ ( - 1 ) ,解決了普通熔劑ktp晶體由於離子電導率太大而無用於電光應用領域的困難;對ktp晶體的生長條件、摻雜元素以及退火工藝等進行了研究,通過優化生長工藝技術參數,突破了工藝技術生長難關,得到了高光學均勻性、具有大z切面的ktp單晶。
  18. Aim to evaluate the feasibility of one simple method to establish model of venous thrombosis for studying the therapeutic effect of intracavitary ultrasonic therapy on venous thrombus of animal models. methods the lower limbs of 20 dogs were divided randomly into the experimental group and the control group. the femoral veins of the experimental group were ligated at the close and distant end respectively to slower the flow of blood. the veins in control group were operated but not ligated. then, the changes of the dogs ' lower limbs were observed and the femoral veins were excised for pathological examinations and examined to investigate the condition of thrombis in the veins at the 1st, 4th and 7th day respectively after operation. results all the dog ' s lower limbs in the experimental group swelled and were lame slightly, the thrombus came forth in all the 6 veins by pathologic study at the 1st day after operation. and it was opposite in the control group. in addition, the swelling of all the dogs ' lower limbs was aggravated and all the 14 femoral veins were filled with compact mixed thrombus at the 4th and 7th day after operation. and it was also opposite in the control group. conclusion the method to establish models of venous thrombosis by the simple ligation of close and distant end of the femoral veins can make thrombosis more approaching clinical course of thrombosis and is satisfying

    目的為研究腔內超聲溶栓對動物模型靜脈血栓的療效而評價一種制備靜脈血栓模型方的可行性.方犬20隻採用自身對照研究,犬一側後肢股靜脈為側,另一側為對照側.側行股靜脈近、遠端分別結扎,人為造成犬後肢股靜脈血流緩慢;對照側行手術,但不結扎血管.然後于術后第1 , 4 , 7天分別觀察犬後肢變化,切取血管標本做病理觀察,了解血栓形成情況.結果術后第1天側全部出現後肢腫脹,輕微跛行,病理切片顯示: 6條靜脈全部都形成血栓;對照側沒有出現後肢腫脹及跛行, 6條靜脈都無血栓形成.第4 , 7天側後肢腫脹加重,跛行,病理切片顯示:側14條靜脈血栓充滿管腔,為混和血栓;對照側沒有出現後肢腫脹及跛行, 14條靜脈無血栓形成.結論採用靜脈單結扎制備犬靜脈血栓模型,血栓形成更接近臨床血栓形成過程
  19. In the process of preparing mullite powder, we use teos and al ( no3 ) 3 as raw materials. the powder we prepared has high purity and its grain radius is relatively small and is distributed equality. by this method, we prepared about 600 g mullite powder and it provided basis for the next experiment

    在溶膠-凝膠制備莫來石粉末過程中,我們以正硅酸乙酯和硝酸鋁為主要原料,採用該制得了莫來石粉末,該粉末度很高,粒徑較小並且分佈均勻,我們按該制得了約600g莫來石粉料,為接下來的打下了基礎。
  20. The assay system of the biological activity of lymphotoxin was established using l929 cell as the sensitive target, lt international standard as the positive control and crystal violet staining method to detect viable cell after treated with lt. the best relationship between dosage and effect could be got if the cell seeding density in cell plate was 1. 6 0. 1 104 the dosage of amd was lug / ml, and the starting concentration of dilution in the plate of lt standard was 10 iu / ml with two fold dilution. the credibility of the established system was detected with rhtnfp developed by r & d

    為確定經上述步驟化后得到的目的蛋自lt 27的生物活性,本研究以l929細胞為靶細胞、淋巴毒素國際標準品為參照,採用結晶紫染色檢測經淋巴毒素處理后存活的細胞,對淋巴毒素生物活性測定的細胞接種濃度、淋巴毒素標準品板上稀釋的起始濃度和梯度稀釋的倍數、放線菌素d的使用劑量等進行條件后,建立了人淋巴毒素生物活性測定方
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