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The research about sensitivity to antibiotics of sugar beet petioles indicated that the appropriate selection concentration of kanamycin and spectinomycin were 50 mg/L and 40 mg/L.

通过对甜菜离体叶柄的抗生素敏感性研究，确定了卡那霉素和壮观霉素的适宜筛选浓度，分别为50 mg/L和40 mg/L。

Methods Sixty male SD rats were randomly divided into six groups (n=10). Rats in water-drinking group were treated with deionized water, nifedipine group with deionized water and nifedipine 10 mg.kg-1.d-1, calculiinduced group with deionized water containing 1% ethylene glycol, and three calculi-induced+nifedipineintervening groups with deionized water containing 1% ethylene glycol plus nifedipine 3, 6 and 10 mg.kg-1.d-1, respectively.

60只雄性SD大鼠随机分成饮水组（只饮去离子水、硝苯地平组（饮去离子水，并灌喂硝苯地平10 mg.kg-1.d-1）、诱石组（饮1%乙二醇去离子水）、诱石＋硝苯地平干预组（共3组，饮1%乙二醇去离子水，并分别灌喂硝苯地平 3、6、10 mg.kg-1.d-1），每组10只，连续处理4周。

Under conventional N fertilization and irrigation condition, N2O emissions during 2001-2002 and 2002-2003 in winter wheat and summer maize rotation system were 1959 g N hm-2 and 1250 g N hm'2, respectively; and 68%-86% of N2O emission occurred in summer maize growth season, the emissions mainly occurred in 2 weeks after N fertilization and irrigation. The highest flux rates were 5.06 mg m-2 d-1 and 5.60 mg m-2 d-1 in the rotation period of 2001-2002 and 2002-2003, which were happened at the ten-extended leaf stage in summer maize season when top-dressing N fertilizer was applied.

在冬小麦／夏玉米轮作体系农民传统的水肥管理处理中，2001-2002和2002-2003两个轮作周期内测得的N_2O的排放量分别为1959 gN hm~(-2)和1250 gN hm~(-2)，N_2O的排放主要集中在每次施肥和灌水之后的两周内，其中夏玉米十展叶期追肥后两周内N_2O的排放速率最高，2002年和2003年分别达到5.06 mg m~(-2)d~(-1)和5.60 mg m~(-2)d~(-1)。

The low rate (150 Mg kg/hm~2), the middle rate (300 Mg kg/hm~2) and the high rate (450 Mg kg/hm~2) were experimented to study the yield and qualities formation and growth of flue-cured tobacco under different magnesium fertilizer application.

2005年在湖南常宁市大田栽培条件下，以云烟87为供试验烤烟材料，采用漂浮育苗移栽，进行3次重复的随机区组试验，研究了在低镁水平(150kg/hm~2)、中镁水平(300kg/hm~2)和高镁水平(150kg/hm~2)三种不同施镁水平下，烤烟的生长发育、烤烟光合强度、蒸腾强度、烟株Mg~(2+)及干物质积累动态、产量、烟叶品质、经济性状和经济效益等烤烟生长发育的生理化学指标。

Although the investigated oral BCG vaccine formulation showed weak immune response to elicit IgG titer, the PPD skin test in guinea pigs by oral dosing of 4 mg BCG vaccine formulation acquired about equal or higher response than that by 0.5 mg dose by subcutaneous vaccination.

所研製之口服BCG疫苗製剂在诱发IgG之免疫反应较弱。但在结核菌素PPD之天竺鼠试验，显示口服BCG疫苗製剂4 mg可达到与皮下注射0.5 mg相同或较佳的反应。

Methods Quantitative disinfection experiments for an electrolyzed-oxidizing water with effective chlorine content of 2 mg/L and some disinfectants such as trichloro-isocyanuric acid,sodium hypochlorite and chlorine dioxide were carried out.

结果酸性电位水在1 min内的杀菌效果相当于含40 mg/L有效氯的三氯异氰尿酸或次氯酸钠及含30 mg/L有效氯的二氧化氯；随着消毒时间的延长，含氯消毒剂与酸性电位水杀菌效果的差别逐渐缩小，含20 mg/L有效氯的含氯消毒剂消毒5 min的消毒效果与酸性电位水相当。

The as-cast microstructures of sand-casting magnesium alloys Mg-5Zn-3Al-0.2Mn were studied, which was found to contain δ-Mg and τMg32(Al, Zn49 phases.

摘 要：研究了砂型铸造Mg-5Zn-3Al-0.2Mn合金的显微组织，发现其主要相组成为δ-Mg基体相和τMg32(Al， Zn49化合物相，τ相以半连续网状骨骼形态沿δ相的晶界分布。

The other 25 in the control group received 100 mg vitamin B1 and 500 μg vitamin B12 and 20 mg scopolamine(654-2) and 100 mL saline as well every day. The treatment lasted for 14 days.

对照组25例用维生素B1 100 mg和维生素B12 500 μg，1次/d，东莨菪碱(654-2)20 mg加入生理盐水100 mL维生素D，1次/d，疗程均为14 d。

Vitamin B1, vitamin B2, vitamin c to mg or μ g, vitamin a, vitamin d, vitamin E to international units or mg,μ g.

维生素B1、维生素B2、维生素C以mg或μg表示；维生素A、维生素D、维生素E以国际单位或mg、μg表示。

METHODS: Eighty cases who had undergone renal transplantation were randomly divided into 2 groups:① preemptive therapy group (n=40), who were given ganciclovir (GCV, 250 mg/d) once at least 1 CMVPP65 positive cell per 2.0×105 PBL till the antigenemia became negative.② Control group (n=40), who were given universal twoweekprophylaxis with GCV (250 mg/d) beginning at the 3rd week after transplantation. A 3month followup was conducted and the efficacy and costeffectiveness of the 2 groups were compared.

将尸肾移植后患者80例分为两组：①早期治疗组（n=40），即在术后若监测到CMVPP65抗原血症阳性，则给予更昔洛韦（250 mg/d）治疗，直至抗原血症转阴；②对照组（n=40），所有患者从移植后第3周开始均给予更昔洛韦（250 mg/ d）治疗，持续2 wk，随访时间3 mo，观察两组对CMV疾病的预防效果。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。