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The best combination of isolating protoplast of Mozzie buster was the enzyme mixture containing 2.0% Cellulase R-10, 0.4% Pectinase, 0.5M mannitol as osmoticpressure, 27℃under dark 80r/m rotating enzymolysis 8h, and the highest yieldachieved to 1.67×10~6per gram, the protoplast vitality was 87.4%; The bestcombination of isolating protoplast of Ocimum basilicum was the enzyme mixturecontaining 1.6% Cellulase R-10, 0.4.% Pectinase, 0.5M mannitol as osmotic pressure,27℃under dark 80r/m rotating enzymolysis 8h, and the highest yield achieved to1.67×10~6 per gram, the protoplast vitality was 87.4%.
本研究对酶解最佳条件进行研究,得出分离驱蚊草原生质体酶解条件以CPW-13进行质壁分离1h,2.0%纤维素酶和0.4%果胶酶,0.5M甘露醇为渗透压,27℃黑暗下80r/m酶解处理8h为好,产量可达1.67×10~6个/g,原生质体活力为87.4%;分离罗勒原生质体酶解条件以CPW-13进行质壁分离1h,1.6%纤维素酶和0.4%果胶酶,0.5M甘露醇为渗透压为好,27℃黑暗下80r/m酶解处理8h,产量可达2.14×10~6个/g,原生质体活力为67.8%。
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Under condition of different temperature and sulphur consumption, the brown coal and gypsum can promote oxidation of sulphur,the oxidational rate of sulphul is the highest under the condition of applying brown coal and gypsum;The sulphur is oxidized for SO42~ the oxidational rate of sulphur during 0-15 days' incubtation was the highest on the whole,reach the maximum basically within 30 days,up to the extension of time,SO42"""" the content is reduced to some extent;Final SO42 -content, Ig sulphur / kg treatment of soil greater than 0.5g sulphu/kg treatment of soil,become multiple increase,the sulphur is higher than the room temperature in the efficiency of oxidizing of 30 degrees Centigrade (10-20 degrees Centigrade).
在不同温度和硫磺用量的条件下,褐煤与石膏对硫磺的氧化有促进作用,其中褐煤与石膏配合施用对硫磺氧化的促进作用最大;在硫磺氧化为SO_4~(2-)的过程中,0-15天内氧化速率最大,30天内基本达到最大值,随时间的延长,SO_4~(2-)含量有所降低;硫磺在30℃的氧化效率高于室温(10-20℃),在1克硫磺的处理中,30℃时最大SO_4~(2-)的含量是室温(10-20℃)的1.24倍,在0.5克的处理中有同样的规律,30℃时SO_4~(2-)的含量是室温的1.6倍。
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Among tropical elements, the genera of Pantropical distribution contribute from 13.64% to 46% of the total genera in regional floras with the highest proportion in dry and hot valleys in western and southeastern Yunnan, and the genera of Tropical Asian distribution contribute from 3.33% to 42.26% with the highest proportion in southern Yunnan.
在热带成分中,全热带分布属占13.64%~46%,居热带成分之首,其最大值出现在云南怒江和元江的干热河谷;热带亚洲分布属占3.33%~42.26%,最大值出现在云南南部。
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Chitosan had been modified by polyacrylate sodium, glularaldehyde, and NaBH4, respectively, which afforded three kinds modified chitosan: polyacrylate sodium modified chitosan (CIS- PA4) chitosan bead and pentamethylene diamido crosslinked chitosan bead (CTSB- G- Hy). The adsorption properties of CTS-CTSB and CTSB-G-Hy were studied by L25(56) orthogonal experimental design. They show high adsorption activities for Pb2+ in solution. The highest removal efficiency of Pb2+ for CTS-PA4, CTSB and CTSB-G-Hy is 94%, 96% and 93%, respectively. The results showed the adsorption property of CTSB is the highest. The CTSB- G- Hy has good mechanical property, acid-resistance and alkali-resistance.
第二部分壳聚糖的改性及其对水溶液中铅离子的吸附性能研究以壳聚糖为原料制备了三种改性吸附剂——聚丙烯酸钠改性壳聚糖(CTS——PA_4)、珠状壳聚糖凝胶树脂和戊二氨交联珠状壳聚糖凝胶树脂,着重考察了CTSB—G—Hy的制备条件,并考察了三种吸附剂吸附6.3mg/L铅离子水溶液中铅的最佳使用条件,结果表明对CTS—PA_4而言当pb~(2+)溶液的pH在4~6.5之间,吸附剂用量为5g/L,吸附时间为1h时pb~(2+)去除率高于94%,CTS—PA_4可在酸性条件下使用,在碱性条件下依然有效但处理效果较差;CTSB对pb~(2+)具有很好的吸附能力吸附剂用量为5g/L,吸附时间为1h时处理效果极佳,pb~(2+)去除率高于96%;CTSB—G—Hy对pb~(2+)具有一定的吸附能力,吸附剂用量为3g/L,吸附时间为1.5h时处理效果最佳,Pb~(2+)去除率高于93%,而且CTSB—G—Hy的机械强度高,耐酸碱性强,可在较宽的pH范围内使用。
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The highest qN indicated that the photoinhibition degree was highest in Yumai 50 among these three wheat cultivars.
三种品质类型小麦受强光抑制的程度则表现为豫麦50高于温麦4号和郑麦9023。
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The reseach on activity changes of SOD, POD and CAT during the somatic embryogenesis of Y35 showed:(1) The activty of SOD was from 52.98 to 133.20 U·g-1·h-1, and remained a rising trend after early single embryo forming, this revealed that SOD might be positively correlated to the differentiation of embryogenic cell and the development of somatic embryo.(2) The activty of POD was from 0.05 to 0.50 U·mg-1·min-1, ascended firstly and desceded later, and was highest in embryogenic callus and lowest in late single embryo , this revealed that POD might be positively correlated to the division and differentiation of proembryo mass, while negatively correlated to the development of PEMⅢto late single embryo.(3) The activty of CAT was from 0.86 to 2.81 U·mg-1·min-1, showed an up-down-up trend, reaching to the highest peak at the time of early embryo formating and decreasing to the lowest at the time of early cotyledonary embryo formating, this revealed that CAT might be positively correlated to the development of early single embryo, while negatively correlated to the formation of middle single embryo and early cotyledonary embryo.The changes in activty of SOD, POD and CAT indicated these three antioxidant enzymes coregulated the differentiation and development of embryogenic cells during Larix somatic embryogenesis.4. Differentially expressed cDNA libraries of the stages of proembryo mass and somatic embryo maturation were successfully constructed by suppression subtractive hybridization.
对Y35体细胞胚胎发生过程中抗氧化酶活性变化的研究显示:(1)SOD活性在52.98~133.20 U·g-1·h-1之间,并在早期单胚形成后一直保持上升的趋势,表明其与胚性细胞的分化及体细胞胚的发育均具呈正相关;(2)POD活性在0.05~0.50 U·mg-1·min-1之间,呈现出先下降后升高的趋势,在胚性愈伤组织中最高,而在后期单胚形成时降至最低,表明其与原胚团的分裂和分化呈正相关,但与PEMⅢ向后期单胚的发育呈负相关;(3)CAT活性在0.86~2.81 U·mg-1·min-1之间,表现出升-降-升的变化趋势,在早期单胚形成时升至最高,在早期子叶胚形成时降至最低,表明其与早期单胚的发育呈正相关,而与中期单胚和早期子叶胚的发育呈负相关。
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The 1/2 MS medium supplemented with 1.0 mg·L-1 BA and 0.1 mg·L-1 NAA was very beneficial to the protocorm differentiation and propagation of D.candidum .The highest protocorm propagation index was obtained from the medium containing the activated carbon.The highest root numbers and length were observed in plants growing in 1/2 MS medium containing 0.5 mg·L-1 NAA.
结果与结论:添加20%马铃薯液有利于种胚的萌发,种胚萌发率为79.37%;BA 1.0 mg.L-1和NAA 0.1 mg.L-1最有利于原球茎增殖,培养基中添加2%活性碳原球茎增殖倍数高;NAA有助于试管苗的生根,不同含量NAA以0.5 mg.L-1时试管苗平均根数最多和平均根长最长。
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DK77 HE Series electric spark digital controlling machine tool High Efficiency and fine quality Multi-technical breaking-through, six paten honored Low price, high quality All-closed loop control, automatic multi-cutting, automatic machinery precision error compensating and highly intellectual Highest precision≤0.008mm Highest smooth finish rate, Ra≤0.58um and reedless Great benefits: at Ra≤1.2um, the process speed could obtain 75mm2/min Highly integrated: clear circuit, strong stability, reliable and easy to fix Unique wire winding system employed, smooth running, noiseless and long useful life Industry controlled computer system, PLC logical control and functional module design materialize the low error rate
DK77□□HE系列高性能电火花数控线切割机床惊人的效率、优良的品质多项技术性的突破、集六项专利于一身慢走丝的效果、快走丝的价格全闭环控制、自动多次切割、自动补偿机械精度误差、智能化程度高最高精度≤0.008mm 最高光洁度Ra≤0.58um,表面无条纹高效益:在Ra≤1.2um时,加工速度75mm2/min 高集成化:电路清晰、稳定性高、安全可靠、维修方便采用独特的运丝系统,运行平稳、无噪声、寿命长采用工业控制计算机系统、PLC逻辑控制、功能模块化设计,使产品故障率大大降低。
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The nursery water was the best, when microencapsulated diets of "OK" and rotifera were blended at the percentage of 80% and 20%, the nursery water quality was the best during the rearing period, the highest concentration of NH3-Nt (NH3-Nm) was 1.025mg/L (0.0836mg/L),and the highest concentration of NO2-- N was 0.0236mg/L. When larvae emerged, the concentration of COD was 1.526mg/L, Puyrrop Hta was 1000 Entries/ml, and the metamorphic rates of all periods exceeded symmetrically 97%, and the survival rates also higher than the control group fed pure crude diets. The emergence status in P7 period was described as follows: the metamorphic rate: 73.33%; the average tail weight: 2mg; average body length: about 7.604mm; which were 18.30%, 19.3%, 8.4% higher than that of control group respectively.
其中80%欧开牌微胶囊饲料和20%卤虫配合使用的育苗效果最好,在整个育苗期间该实验组水质较好,NH_3-N_t(NH_3-Nm)含量最高为1.025mg/L(0.0836mg/L),NO_2~--N_2含量最高为0.0236mg/L,出苗时COD为1.526mg/L,甲藻类含量为1000个/ml,幼体各期的变态率较稳定均衡,均大于97%,成活率也高于只投喂天然饵料的对照组,至仔虾第7天(P_7)出苗时,出苗率为73.33%,平均尾重为2mg,平均体长达7.604mm,分别比天然饵料的对照组高出18.30%、19.3%和8.4%,各项出苗指标均明显高于对照组(P<0.05);且虾苗活泼健壮、体表洁净、均匀度高。
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House, Nanyang, He′nan 473006, ChinaAbstract: The change rate of different trace component of the same material varied in the fermentation of yellow rice wine, samely, the change rate of the same trace component of the common materials varied in daily yellow rice wine production and its characteristics are: 1.The change rate in millet, indica rice and semi-glutinous rice, Zn the highest, then Mg, and Cu and Se the lowest. 2.The change rate in glutinous rice, Mg the highest , then Zn, then Cu, and Se the lowest.
摘 要:同种原料中不同微量元素在黄酒发酵中转化率不同,同样,同种微量元素在黄酒生产常用的4种原料中的转化率也不同,特点为:①在粳米、小米和籼米中Zn的转化率最高,其次为Mg,转化率最低的为Cu和Se;②在糯米中元素Mg的转化率最高,其次为Zn,微量元素Se转化率最低,其次为Cu。
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- 推荐网络例句
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Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.
目前大多数的研究表现为在变形后的受控Petri网基础上,利用各种方法求得各种逻辑型、结构型控制器,解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。
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On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.
一方面,有讨论,工程理事会和联盟关于延长工作时间短至9月底。
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