urea concentration 中文意思是什麼

urea concentration 解釋
脲濃度
  • urea : n. 【化學】尿素，脲。-l, ureic adj.
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0. 75 %. creatine, sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer, but creatinine and urea could not induce the creatinase production. 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation

    最佳氮源為玉米漿和蛋白腖，最佳比例為2 ： 3 ，最佳濃度為1 . 6 ；加入其它碳源時有助於菌株穩定產酶； 100ml搖瓶的最佳裝液量為15ml ；肌酸、肌氨酸和氯化膽堿都能誘導菌株產酶，其中肌酸誘導產酶的效果最好，而肌酐和尿素不能誘導菌株產酶；誘導物肌酸的最適加入時間為接種培養12小時后，最適加入量為0 . 75 。
  2. As the dmso concentration ( wt / wt ) in the second coagulation bam increases, the water flux and the clearance rates of urea and creatintine first decrease men keep in a relatively low level and increase at last

    隨著第二凝固浴dmso濃度（ wt / wt ）的增加，水通量和肌肝、尿素去除率均是先下降，然後保持在較低的水平，最後又呈上升的趨勢。
  3. As the concentration of pes solution increases, the pure water flux decreases and the clearance rates of low - molecular weight substances such as urea and creatintine first increase, then decrease, and increase slightly at last

    隨著鑄膜液濃度的上升，水通量呈現總體下降的趨勢；膜對低分子物質的去除率先上升，然後下降，隨后又略有上升。
  4. Some results are as follows : the highest concentration of nh 4 + - n in leachate is closely related with urea quantity applied at 20cm depth, but not different significantly related at 60cm and 120cm depth

    其試驗結果如下：在不同尿素施用量情況下，各處理中20cm處滲漏液中nh _ 4 ~ + - n最高濃度值與施肥量密切相關，但60cm和120cm處滲漏液中nh _ 4 ~ + - n濃度與施肥量關系不大。
  5. The intensity of output signals shows linear relationship with the logarithmic urea concentration from 0. 1 to 6 mm. the sensitivity of determination for urea concentration is 22 mv / purea

    1 6mm之間，響應值與尿素濃度的對數呈線性關系，該傳感器對尿素的檢測靈敏度為22mv pu陽。
  6. After centrifugation at 8000rpm for 15 minutes, the bacterial pellets was subjected to ultr asonication in the suspension solution ( 50mmol / l, ph8. 0 tris - hci, 100mmol / l nac1, 0. 5mmol / l edta, 4mol / l urea, 0. 2 % triton x - 100, 0. 2 % doc ) at 300w, working 3s, intervul 3s for 240 times. then, concentration at 8000rpm for 15 minutes at 4

    : 3 ） p （正x一們』一1一nk4表達菌株blzi誘導持續時間的研究分別進行了1 、 2 、 3 、 4 、 5小時的誘導，發現在誘導2小時后表山西醫科大學2003屆碩士學位論文達即可達到最人。
  7. 2. urease - based field effect transistor biosensor has been fabricated by the transfer of urease / amphiphile mixed langmuir films onto ion - sensitive field effect transistor ( isfet ). its function has been studied with isfet meter, and the intensity of output signals shows linear relationship with the logarithmic urea concentration from 0 to 20 mm

    用lb膜技術將脲酶兩親性分子混合langmuir膜轉移到離子敏感場效應晶體管（ isfet ）表面，製成了脲酶場效應晶體管生物傳感器；採用離子敏感場效應管特性測定儀對它的性能進行了分析。
  8. But the ability of which to increase the quality of no3 - was not so clearly. the biggest value of no3 - concentration only attended ismg ' l " 1. while nh4 + and tn reached 120 mg ' l - 1 and 210mg ' l - 1, urea application can improve the ratio of nh4 + in the tn, decrease the ratio of no3 -. so nflt + and tn were the mostly important nitrogen indexes to monitor the water pollution in the paddy - field, no3 - may be the assistant nitrogen index

    施氮能夠明顯地提高稻田表面水體中銨態氮和全氮的含量，而對于提高硝態氮濃度的能力較弱，硝態氮的最大濃度達到15mgl ~ （ - 1 ） ，而銨態氮最大值達到120mgl ~ （ - 1 ） ，全氮最大含量更達到210mgl ~ （ - 1 ） 。
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