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- Keywords earthworm;excess sludge;raising directly;low multiplication rate;heavy metal; 蚯蚓;剩余污泥;直接饲养;低繁殖量;重金属;
- low multiplication rate 低繁殖量
- Observations on population dynamics of M.incognita showed that the multiplication rate decreased as the initial population density increased. 对南方根结线虫在烟草上的种群动态分析表明：随着线虫初始密度的增加，线虫繁殖率下降，二者呈指数关系。
- After 12 weeks culture, the multiplication rate of shoot clumps could reach 4.2.4) For elongation of the shoots, Anderson +6-BA2.0 mg/+NAA0.01 mg/L+AC1.0/Lwas the best medium. 4)丛生芽增殖：最适培养基为Anderson+6-BA1.;0mg/L，丛生芽增殖最快，90天时增殖系数可达4
- The propagation difficulty of walnut is presented as poor rhizogenesis, low and instable graft survival rate, low multiple efficiency and so on and so forth. 核桃无性繁殖难表现在：常规扦插很难生根、嫁接成活率不稳定、繁殖系数低等。
- The best medium was: MS+BA 2. oppm+NAA 0. Zppm, Onthis medium, the cullus induction rate was 94%, the globoid differentiation rate was 188%,the adventitious bud multiplication rate was 5 times at four week interval. 其最适宜的培养基组成为：MS＋BA2.;0mg/L＋NAA0
- Multiplication rate of the closing rope 闭合绳倍率
- Time Forced Collision Methods for Multiplication Rate Calculation 计算中子增殖率的时间强迫碰撞方法
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- He because of bashful but low head. 他因羞愧而低下了头。
- The ship lay keeled over at low tide. 那艘船因退潮而倾覆。
- My home town lies low in a hidden valley. 我的家乡位于一个隐蔽的山谷里。
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- Enter multiple rates for a material resource if you work with multiple grades of material or if you need to incorporate material rate changes on specific dates. 如果您使用多种等级的材料,或如果您需要包含在特定日期出现的材料费率变化,则为材料资源输入多个费率。
- After a brief rally share fall back to a new low. 股票经过一次短暂回升后回落到一个新的低点。
- Talking in a low voice were a man and a woman. 低声讲话的是一男一女。
- The factors affecting multiplication rate in vitro culture of slash pine 湿地松组培继代增殖的影响因子
- Judy bent her face low over the notebook. 朱迪把脸凑近笔记本。
- The food should be kept at low temperature. 这种食品应低温保存。
