positive control 中文意思是什麼

positive control 解釋
積極性管制
  • positive : adj 1 確實的,明確的;確定的;無條件的 (opp qualified implied inferential); 絕對的,無疑問的,...
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. Construction and expression of yeast engineering yaccine : s14 / gnsag " as transformed to yeast host straln x33 by means of electroporation after ppiczaa s, . aresag " as l ined by saci enzyme. the single fungus, as choose and dibble inocu1ating in we and am plate, the positive fungus was gro ' ing in rm but not in w, and was 6 inoculated in ypd which included zeocine 500ug / ml and 1000ug / ml. 5 transformers were ampl if ied by pcr, three is same with positive control

    選取單個菌落分別點種到刪平板和md平板,找出在回d上生長正常, w上生長緩慢或不生長的菌落,即陽性菌落,再以陽性菌落分別塗布zeocine含量500ug加, 1000ug砌l的ypd平板,以高濃度的抗生素篩選高拷貝的酵母工程菌,在含500ug ml高濃度抗生素平板上獲得了15個轉化子,取其中5個進行pcr擴增,有3個擴增產物與陽性對照相同,說明此酵母細胞中已含有s hbsag融合片段,其中之一命名為p
  2. Methods 1 ) statistic methods including factorial experiment was carried out to optimize the major conditions for sample management, and the feasible negative and positive control for fcm analysis of cd62p expression were check out

    方法1採用濃度梯度法優化gprp濃度條件,採用析因設計優化凝血酶濃度和37孵育時間條件,尋找最佳陰、陽性對照。
  3. By combining normative analysis, positive analysis and comparative induction, the author attempts to make a preliminary study on some problems with regard to the legislation of municipal water pollution control, and puts forwa rd some countermeasures and proposals directed a - gainst the limitations of the present legislation

    本文嘗試針對我國城市水污染防治立法中的一些問題,運用規范分析、實證分析和比較歸納等研究方法,進行初步探討,並針對現行立法的缺陷提出若干立法建議。
  4. In normal greenhouse condition, coda - transgenic wheat lines ( to ) had the same plant morphorlogy and pollen i2 - ki staining rate as untransformed control plant. after treating with 300 mm of 5 - fc, however, changes in configurations of spikelet, floret and anther have been observed in the transgenic lines but not in the control, and 50 % gus - positive lines displayed outside - opened glume, abnormal stamen, smaller and thinner anther, shorter filament, and failure of selfing. in parts of 5 - fc - treated transgenic lines, the pollen staining rate by i2 - ki was much lower than that of untransformed control

    溫室栽培的轉基因小麥苗( t _ 0 )未噴5 - fc處理時植株外部形態和花粉碘-碘化鉀染色的著色率與未轉基因的對照沒有差異;用300mm的5 - fc處理后,發現有50 gus陽性株系與對照有明顯的區別,表現為小穗穎殼外張,花絲短縮,花藥發育不良,較小、黃白色且花粉粒少,自花不授粉,無外來花粉授粉則不結實。
  5. Methods the optimal proportion of levant storax oil and dalbergiae odoriferae oil, which were active ingredients of the traditional chinese medicine styrax and dalbergiae odoriferae, was bolted by using uniform - design method ; the myocardial ischemia model of rats was set up through the induction of isoprel and the above rats were divided into 5 groups, which were model control group, high dose group of shuangxiangyou, middle dose group of shuangxiangyou, low dose group of shuangxiangyou, and positive control group of muskone

    方法傳統中藥蘇合香和降香的有效成分蘇合香油和降香油最佳配比採用均勻設計方法篩選;建立由異丙腎上腺素造成的心肌缺血大鼠模型,將實驗分為模型對照組、雙香油高、中、低3個劑量組及冠心蘇合丸陽性藥物對照組后進行藥效學實驗。
  6. M ( 4 ) do a deep research on the privilege management of the engineering database system co - s _ dbs, and aimed at the requirements of the cooperative design for the privilege management, purpose a privilege management model s _ pmm. this model can not only provide the well - designed structure of the privilege control table and the paniculate privilege control, but also support role mechanism, positive and negative privilege mechanism, concealed privilege mechanism, which well satisfies the requirements of the cooperative design

    ( 4 )對co - s _ dbs工程數據庫系統的權限管理進行了深入的研究,針對協同設計對權限管理的要求設計了權限管理模型s _ pmm ,該模型提供了設計良好的權限控製表結構,細粒度的權限控制,支持角色機制、正負權限機制、隱式權限機制,很好的滿足了協同設計的要求。
  7. Using the hprt gene as a positive control, our result suggested that both the testis tissue and the male embryos from which sry transcription can be detected failed to yield any positive results of xist. female embryos at the pronucleus stage and 2 - cell failed to produce any positive result of sry and xist too. while since the 4 - cells period, xist is constantly transcribed until blastocyst stages

    然後利用實驗一確定的pcr條件,以hprt為陽性對照,用巢式rt - pcr對小鼠早期胚胎進行xist基因的轉錄分析,結果發現,轉錄sry基因的睪丸組織以及雄性胚胎,從受精卵發育到囊胚的過程中,基本上不轉錄xist基因;不轉錄sry基因的雌性卵母細胞和雌性胚胎,從出現原核開始,到發育至2 -細胞期的過程中, xist基因一直不轉錄,但是,從4 -細胞期開始,一直到孵化前囊胚階段,雌性胚胎都轉錄xist基因。
  8. Based upon the comparison of cyto b gene sequences in 15 deer species downloaded from genbank, a universal primer set l15774 / hsf21 was used as positive control of the template quality, at the meantime, two species specific primer sets df / dr and cf / cr were desgined to identify red deer ( cervus elaphus ), sika deer ( cervus nippori ) and roe deer ( capreolus capreolus ) from other species. a musk deer ( moschus ) specific primer set wf / mr was designed, siberian musk deer ( afoschus moschiferns ) and forest musk desr ( moschus berezovskii ) could be discriminated when restriction endonuclease rsa i was used to cut the pcr products

    經過對來自genbank中的15種鹿類動物的cytob基因序列的比較,用通用引物l15774和hsf21作為模板的質量控制,設計了特異性引物df dr和cf cr來鑒定馬鹿、梅花鹿、狍;設計了麝類特異性引物mf mr ,用限制性內切酶rsa酶切擴增產物來區分原麝和林麝。
  9. Methods : the methods of the increase of blood capillary permeability of the abdominal in mice induced by injection of acetic acid and the swelling of the ear in mice caused by crotin were used for anti - inflammatory experiments, aspirin and hydrocortison were respectively used as the positive control ; the methods of abdominal pain in mice induced by acetic acid and woolfe - macdonald were used for analgesic experiments, morphine hydrochloride as the positive control

    方法:小鼠隨機分組,抗炎實驗用醋酸誘發小鼠腹腔毛細血管通透性增高和用巴豆油誘發小鼠耳腫脹,陽性對照分別為阿斯匹林組和氫化可的松組;鎮痛實驗採用醋酸誘發小鼠腹痛和用熱板誘發小鼠足痛,陽性對照為鹽酸嗎啡組。
  10. Stem : the tee - head disc - stem connection prevents lateral strain on the stem for smooth, easy operation. accurately cut threads engage the yoke sleeve for positive control of disc position

    閥桿: t形閥瓣-閥桿連接防止施加在閥桿側面的應力,確保操作平穩順暢容易。軛架套管準確的螺紋連接有助於閥瓣位置的調整控制。
  11. It is efficient for flow cytometric analysis when fresh platelet riched plasma ( fprp ) was set as negative control, thrombin actived fprp and liquid nitrogen treated fprp were set as positive control respectivelv

    除了fcm常用的同型對照外,文中還將fpr 、凝血酶激活fprp和液氮處理fprp作為血小板標準陰性、陽性對照,直接應用於fcm分析,且效果良好。
  12. In the third experiment, we first constructed a test model of differentiation from mouse es cells to cardiomyocytes. then series of dilutions of three chemicals were screened on this platform. the combination of all trans retinoic acid and dmso is employed as positive control

    實驗三首先建立了一個小鼠胚胎幹細胞定向分化成心肌細胞的實驗平臺,然後採用了3種心肌疾病相關的藥物:黃芑生脈飲、 1 , 6二磷酸果糖和hg (代號) ,在此定向分化的實驗平臺上進行了一系列濃度的藥物篩選,實驗採用視黃酸和dmso的混合誘導劑作為陽性對照。
  13. 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

    為確定經上述步驟純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,採用結晶紫染色法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實驗后,建立了人淋巴毒素生物活性測定方法。
  14. Note : “ + ” denotes bacterial growth and “ - ” denotes no bacterial growth. the positive control had bacterial growth and the negative control had no bacterial growth

    注: 「 + 」表示有菌生長, 「 - 」表示無菌生長。陽性對照有細菌生長,陰性對照無菌生長。
  15. 5. prepare the oligonucleotide microarray add 16 prepared probes into 384 - pole plate, meantime, add p2, low homologic probes and probe buffer in the same concentration as positive control, blank control and negative control respectively. spot microarray as designed by the spotting machine

    5 .寡核昔酸微陣列的制備以同等濃度的反義鏈引物咫作為陽性對照,以探針緩沖液作為空白對照,以無關探針作為陰性對照,與制備好的16條寡核昔酸探針,同時加人384孔板。
  16. Dimensional uniformity of closed - die forgings results in positive control of critical wall thickness, eliminating deficiencies caused by shifted cores in castings

    閉模鍛造的尺寸一致性造成關鍵壁厚的完全控制,避免了鑄造工藝中鐵心移位造成的缺陷。
  17. Third, quality policy : the strict management, the positive control, provide the high quality product and the service for the customer

    三質量方針:嚴格管理全面控制,為客戶提供優質的產品和服務。
  18. The primers are designed in sites of the number 2 and 3 exon of hbrp gene. the product of rt - pcr by using human b - actin as primer is looked on as the positive control

    Lthionesepharose4b純化表達的gst和gst hb即融合蛋白,分別檢測不同濃度的gst蛋白及gsp hb地融合蛋白對pkc活性的
  19. For multiplex pcr, primers specific for z and y a, which are involved in the dsb, were employed. and also, a pair of primers of act1 was used as a negative control. in this experiment, we also used yku70 as a positive control, since it has been well defined as a dsb end binding protein

    雖然這一發現只是我們工作的一個開端,但是基於這一開端,兩個層面的研究工作將被很大程度地拓寬,一是泛素系統不僅只是在dna修復的prr路徑起作用,而是可能涉及dna修復的各種不同路徑。
  20. 2 > on the basis of the experimental excavating robot, several energy saving controls with multi function valve control are investigated in this paper, which include negative control, positive control and load sensing control. because of some defaults of these controls, this paper proposes some improvements on them, which have been proved to be effective in experiments

    2 、以試驗型挖掘機器人為對象,對多種閥控節能控制進行了深入研究,其中包括負流量控制、正流量控制和負荷傳感控制,針對這些節能控制方式的不足提出了多種改進方案,並分別進行了試驗驗證,效果良好。
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