The seasonal changes of total carbohydrate , soluble carbohydrate , starch , mannitol and fructan in the below ground organs of both species showed the same ' down - up - down - up ' trend 5月20日10月15日,羊草和大针茅地下器官中的碳水化合物总量、可溶性碳水化合物含量、淀粉含量、甘露醇含量和果聚糖含量均表现出“降低升高再降低再升高”的特征。
In order to elucidate the mechanism how plant to perceive the water stress , suspension cultured system of tobacco cell was established in the experiment and the mechanism how tobacco cells perceive the mannitol tress was studied 为阐明植物对渗透胁迫的感受机制,本实验建立了烟草细胞悬浮培养体系,研究了悬浮培养的烟草细胞对甘露醇胁迫诱导积累aba及其感受机制。
The critical concentration of mannitol stress is 0 . 8 - 0 . 9mol - l - 1 . the maximal level of aba accumulation is attached after 5 hours " treat with 0 . 9mol - l - 1 mannitol solution . cell wall plays important roles in tobacco cells perception to osmotic stress 渗透胁迫诱导aba积累的水平与胁迫处理的浓度和时间相关,胁迫处理的有临界浓度为0 . 8 ? 0 . 9mol ? l ~ ( - 1 ) , aba积累水平在胁迫处理5小时后达到最大。
In this work , the effect of the physicochemical properties of aqueous hydroxypropyl - cellulose ( hpc ) binder solutions and different pharmaceutical excipients ( mannitol and anhydrous cahpo4 ) on the agglomeration kinetics and granule properties were inestigated 在此项试验中,对黏合剂羟丙基纤维素( hpc )水溶液及不同药用辅料(甘露醇和无水磷酸氢钙)的理化性质对附聚动力学和颗粒性质的影响进行了研究。
The product is abundance in alginate , kelp polysaccharose , sulphuric acid polysaccharose , alga ammonia acid , polysaccharide , taurine , mannitol , iodine and all kinds of trace elements . it is a newly health product to prevent and cure many diseases , delay consenescence of human body 本品含有丰富的褐藻酸钠、褐藻酸钾、海带多糖、硫酸多糖、藻氨酸、多聚酸、牛磺酸、甘露醇、碘及多种微量元素,是防治多种疾病,延缓人体衰老的新型保健佳品。
The cleavage rate of oocytes at 18 - 19h after hcg injection was clearly higher than those at 12 - 13h and 15 - 16h after activation ( 71 . 67 % vs 7 . 50 % and 55 . 83 % , p < 0 . 01 ) . the rates of avtivation , cleavage and development of blastocysts after 22h started to fall , but with no difference with those of 18 - 19h ( p > 0 . 05 ) . to sum up , the optimal electric stimulation conditions of mouse oocytes at 18 - 19h after hcg injection is 2 . 0kv / cm direct current field strength , 80us pulse duration , 3 times pulse and 0 . 3mol / l mannitol medium with 0 . 1 mmol / l cacl2 and 0 . 1 mmol / l mgso4 880和12 50o ) ,但与18l的卵母细胞组无明显差异o 0刀5 ) 。综上所述,在本实验室条件下,以含ca刀、 mgh的甘露醇溶液为激活液,采用2刀by cm强度、 80呷脉宽、连续3次脉冲(每次间隔10min )刺激注射hcg后18二9h的小鼠卵母细胞,可获得较为理想的激活效果。
Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments . the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose , sucrose , malic acid , mannitol ) , propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum , at a ph range of 4 to 8 . 5 , at a saline concentration range of 0 . 01 % to 1 . 5 % ; low nlv " concentration had little effect on its nitrogenase activity . ara could also be detected when it grow in the culture media with 5mmol / l ntv " W12菌株对环境因子的适应性研究:无氮培养条件下,测定温度、碳源、酸碱度、渗透压对w12生长及固氮能力的影响,结果表明,在15 - 40下均能生长并表达固氮酶活性,其最适生长及固氮的温度为25 - 35 ;能利用葡萄糖、蔗糖、苹果酸、甘露醇等多种碳源生长并固氮,当培养基中同时存在蔗糖和苹果酸时,细菌生长和固氮活性最强;在偏酸和偏碱的条件下( ph4 . 5 - 8 . 5 )均能保持较强的生长势和较高的固氮酶活性,并能通过调节自身代谢平衡并适应环境的酸、碱性变化,使培养液趋于中性:能耐受较高的渗透压,培养液中卜、 5 naci浓度对其生长和固氮酶活性影响不大,当naci浓度升至2时,菌株的生长势及固氮酶活性才有所下降:低浓度的铰对其固氮酶活性影响不大,在0
With 70 % ethanol as moistening agent , when the formula was 15 % extract powder of gynostemma pentaphyllum , 77 % mannitol and 4 % aspartame , adding 0 . 1 % mentha - camphor and 3 % magnesium stearate , a new gynostemma pentaphyllum . buccal tablet without sugar could be obtained , with special favor of gynostemma pentaphyllm , smooth and good looking surface , good hardness and disintegrability , health - keeping function , color accorded 当以70 %乙醇作润湿剂, 15 %绞股蓝浸膏粉、 77 %甘露醇、 4 %阿斯巴甜为材料,再添加上述混合料总量的0 . 1 %薄荷脑和3 %硬脂酸镁, 60的干燥温度,可制得口感好、有绞股蓝特有风味、表面光滑美观、色泽一致、硬度好、崩解性良好、具有保健功能的新型绞股蓝无糖口含片。
Companies mainly marine algae for the extraction of raw materials marine chemical , marine medicine , marine food and health supplies , marine fertilizers , fodder and other marine purely natural , green - series products , leading products iodine , mannitol , haizaosuanna , algae acid , glycol esters algal acid ( pga ) , algae fat , algae feed 公司主要以海洋中的海藻为原料提取海洋化工、海洋药物、海洋食品和保健品、海洋肥料、海洋饲料等纯天然、环保型系列产品,主导产品有碘,甘露醇,海藻酸钠、海藻酸,藻酸丙二醇酯( pga ) ,海藻肥,海藻饲料。