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nodulation and fixation genes 成瘤固氮基因
It was suggested that the lack of these leguminous nodulin genes in rice might result in its disablility for nodulation and nitrogen fixation. 推测可能是由于水稻中缺少了这些豆科结瘤素基因，导致水稻不能结瘤固氮。
Distribution and Effect of Molybdenum on Nodulation and Nitrogen Fixation in Myrica rubra Sieb. Et Zucc. 钼对杨梅结瘤固氮的影响及在植株体内的分布。
Malrotation is defined as an anomaly of rotation and fixation of the midgut. 摘要肠迴转不全，是指肠腔在胚胎发育阶段，肠的旋转和固定发生异常。
The fitted multivaliate quadratic regression equation can better express the relation between nodulation and nitrogen fixation of alder and physical-chemical factor of the soils. 桤木结瘤固氮与土壤理化因素的关系,可用多元二次回归方程表达。
The purplish soils with the different properties and fertility had obvious influence on nodulation and nitrogen fixation of the alder. 具有不同性质和肥力水平的紫色土,明显影响到桤木的结瘤和固氮。
The nodulation and nitrogen fixation of 53 species belonging to 24 genera major cultivated or wild legumes are studied in Gansu-Ningxia region of the loess plateau. 甘肃省黄土高原区不同生态条件下栽培和野生豆科植物根瘤菌资源及共生固氮特性的调查结果表明,从112份24属53种根瘤样品中分离获得87株根瘤菌。
Infected lungs are firm, nodular and variegated color. 感染的肺脏坚实、结节状、五颜六色。
The nodulation and nitrogen fixation of 34 species belonging to19 genura of legumes have been studied in Maiji Arbortum, in which 12 genura, 21 species were introduced and acclimatized legume-trees. 调查了甘肃天水麦积树木园引种驯化和部分土著豆科植物18属34种的结瘤固氮情况，同时以8种寄主植物对24株根瘤菌进行了回接鉴定。
Hidradenitis suppurativa can present as breast nodules and pain. 化脓性汗腺炎能引起乳痈和疼痛.
mesocrystaln. 介晶
Dental implants as a support and fixation for prosthodontic applinces have been used for some decades. 牙科植入物用于支持和固定镶牙器件已有数十年的历史。
The device is composed of the railroad, cardan shaft, union join and fixation plate. 该装置具有结构简洁、灵活、独特，使用、贮藏方便，效果可靠，造价低廉等优点。
Effect of Al on the Growth, Nodulation and Root Hair Deformation of Medicago Sativa L. 铝对苜蓿生长、结瘤及根毛变形的影响。
Operative time for placement and fixation of the mesh has been well standardized. 放置和固定网片的手术步骤已经标准化。
The issue whether starter N will increase nodulation and BNF is, however, complicated by several factors. 然而，“起动氮”是否会增加根瘤和生物固氮的问题是复杂的，它受多种因素影响。
Only when availability of N was increased through effective nodulation and BNF was there a response to applied P. 只有通过有效结瘤和生物固氮增加有效氮，施用磷肥才有效应。
Dental implants as a support and fixation for prosthodontic appliances have been used for some decades. 牙科植入物用于支持和固定镶牙器件已有数十年的历史。
The result shows that het antiseptic and fixation effect of 1%Benzoic acid almost approaches that of 3%Formalin. 提出1%25苯甲酸几乎接近3%25福尔马林的防腐固定效果;
Although relative response to N by legume species may differ, N fertilization will reduce nodulation and BNF by legumes. 尽管不同豆类作物种对氮的反应不同，但施氮肥会减少豆类作物结瘤和生物固氮量。