English translation for "玉米芯"
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- corn cob
maize cob
Related Translations:
玉米色: cornislkcornsilkmaize 玉米棒子: corn on the cob (corn-cob)maize cob
- Example Sentences:
| 1. | Study on the rumen content with fermented corcob
瘤胃内容物加玉米芯发酵因素的研究 | | 2. | Optumization of fermentation conditions of scp production from corn - cob hydrolysate
玉米芯生产单细胞蛋白发酵工艺条件的优化 | | 3. | Catalytic co - pyrolysis of corncob and low density polyethylene mixtures in hydrogen atmosphere
玉米芯与低密度聚乙烯混合物在氢气气氛下的催化热解研究 | | 4. | The study on the incubation of methanol yeast candida boidinii no . 2201 and it s mutants in hydrolytic solution of corn cob
2201及其诱变株在玉米芯水解液中的培养研究 | | 5. | Vegetable fiber dining tools : they are mainly made from wastes of crops such as rice shell , wheat shell , straw , and corn wick c
B .植物纤维类餐饮具，主要生产原料为稻壳或麦壳秸杆稻草玉米芯等农作物的废弃物 | | 6. | In this paper , the research progresses of several high additional co - product , such as furfural , xylose , xylitol , oligo - xylose , fuel ethanol and soon , produced with cod through the biorefinery are reviewed
概述了利用生物炼制技术用玉米芯生产糠醛、木糖、木糖醇、低聚木糖和燃料酒精等一系列高附加值产品的研究进展。 | | 7. | This experiment passing to grope for the carbon source constitutes of the culture medium and using t . reesei rut c - 30 induced the expression of # - mannanase ( # - 1 , 4 - mannan mannohydrolase ec 3 . 2 . 1 . 78 ) . in this experiment i put the constant carbon source ( lactose and locust bean gum ) in the foundation culture medium ( mandels nourishment liquid ) of t . reesei rut c - 30 , then proceeded the variable carbon source ( dragon spruce fiber , com rush pith fiber , wheat straw fiber , wheat straw xylan , corn rush pith xylan , dragon spruce mannan ) to single factor , double factor , three factor , four factor and five factor orthogonal experiment . 1 determined the activity of p - mannanase using locost bean gum as substract by the 3 , 5 - dinitosalicylic acid method , and observed the growing situation of the gernic at the end i selected the directions for the inducement expression of the # ? mannanase from trichoderma reesei rut - c30 that contained the dragon spruce fiber , wheat straw xylan , dragon spruce mannan
在里氏木霉rutc - 30的基础培养基( mandels营养液)中加入固定碳源乳糖和槐豆胶，然后将可变碳源(云杉纤维、玉米芯纤维、麦杆纤维、麦杆木聚糖、玉米芯木聚糖、云杉甘露聚糖)进行单因子、双因子、三因子、四因子、五因子的里氏木霉rutc - 30正交培养实验，并以槐豆胶为底物用3 ， 5二硝基水杨酸法测定培养液中?甘露聚糖酶的活力。从而确定了酶活最高且菌体生长良好的含云杉纤维、麦杆木聚糖和云杉甘露聚糖的诱导培养基为最佳培养基，用该培养基培养的里氏木霉( t . reesei ) rutc - 30使其转录的-甘露聚糖酶( - 1 ， 4 - mannanmannohydrolaseec3 . 2 . 1 . 78 ) mrna量能够满足rt - pcr的要求。 | | 8. | The xylanase activity of the mutant kept stable after 10 generations . after orthogonal designing experiment , the optimum fermentation conditions of a . niger j 506 were obtained , which is as followed : concentration of the major carbon resource 4 % , ratio between bran and corncob 5 : 5 , concentration of glucose 0 . 1 % , concentration of ammonium oxalate as supplemental nitrogen resource 2 . 0 % , the initial ph of liquid medium 5 . 0 , 100ml / 250ml flask
经过正交试验设计，得出突变株a . nigerj506产木聚糖酶最佳的工艺条件为：主碳源浓度4 、麸皮与玉米芯的比例为5 ： 5 、辅加碳源葡萄糖的浓度是0 . 1 、辅加氮源草酸铵的浓度是2 . 0 ，培养基初始ph为5 . 0 ， 250ml三角瓶的装液量为100ml 。 | | 9. | The recombinants were constructed by transforming ppic9 a - xynb into p . pastoris gs115 . the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p . pastoris . in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity . the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1 . xynbb was gotten by deglycasylation of xynba , whose molecule weight returned to 23kd . we comparised the enzymatic properties of xynba expressed in p . pastoris , xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph , the optimal ph of xynb and xynba were both 5 . 2 , the optimal ph of xynbb was 5 . 0 ; the optimal temperature of xynb and xynba were both 60 c , while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883 . 88iu / mg and 832 . 5hu / mg respectively , which were both lower than 2814 . 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21 . 56 ( g / kg ) and 20 . 87 ( g / kg ) , while the km value of xynbb was 27 . 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg . min and 5329umol / mg . min respectively which were lower than 27623 umol / mg . min of xynb ; additionally all of the three enzymes did not display cellulase activity . they all had well resistance to pepsion and trypsin , and were not sensitive to metal iron , surface active agent and chelating agent . the analysis of different xylans enzymatic hydrolysate revealed : by xynba , that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose , which account for 68 . 43 % and 16 . 50 % respectively , additionally there was 11 . 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose , which account for 81 . 78 % and 11 . 55 % . the result indicated that this xylanase was a kind of 1 , 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
进一步对xynba进行了脱糖基化处理得到xynbb ,其分子量恢复到23kd ，证明xynba是糖基化蛋白。通过对毕赤酵母重组表达的木聚糖酶xynba 、脱糖基化的木聚糖酶xynbb以及橄榄绿链霉菌a1所产原酶xynb之间酶学性质的比较发现：三种酶的最适ph差异不大， xynb和xynba均为5 . 2 ， xynbb为5 . 0 ； xynb和xynba的最适温度均为60 ， xynbb降为50 ：在耐热性上， xynba由于糖基化作用热稳定性明显高于未糖基化的xynb和xynbb ； xynba和xynbb的比活性分别为883 . 88iu mg和832 . 51iu mg ，明显低于原酶的比活2814 . 45iu mg ； xynb和xynba的km值相当，分别为21 . 56 ( g kg )和20 . 87 ( g kg ) ，而xynbb的km值较大为27 . 10 ( g kg ) ； xynba和xynbb的vmax相差不大，分别为4568 mol mg ? min和5329 mol mg ? min ，明显低于xynb的27623 mol mg ? min此外三种酶均无纤维素酶活性，对胃蛋白酶和胰蛋白酶有很好的抗性，且对作用环境中的各种离子、表面活性剂、螯合剂不敏感。通过对不同木聚糖的酶解产物的糖份分析发现：以桦木木聚糖为底物时，酶解产物主要为木三糖和木四糖，含量分别为68 . 43和16 . 50 ，另外还含有11 . 79的木二糖；以玉米芯木聚糖为底物时，酶解产物主要为木二糖和木三糖，含量分别为81 . 78和11 . 55 。 |
- Similar Words：
- "玉米削" English translation, "玉米小斑病" English translation, "玉米小烤饼" English translation, "玉米小麦改良中心" English translation, "玉米蟹肉粥" English translation, "玉米芯吹送风扇" English translation, "玉米芯粗粉" English translation, "玉米芯调节活门" English translation, "玉米芯分离筛" English translation, "玉米芯粉" English translation
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