| 1. | Strengthen math teaching in vocational school to cultivate students ' thinking ability
初中地理教学中学生创新能力培养试验 |
| 2. | This 52 - year - old male patient presented with unilateral left - sided nasal obstruction , purulent nasal discharge nad occasional epistaxis for several years
局部检查发现左侧下鼻甲后端有一结节样肉芽肿块，经病理切片及结核菌培养试验证实为结核症。 |
| 3. | For revealing the mechanism of low bacterial biomass in the lake , limiting factors for bacterial growth were studied with pure cultural and natural cultural tests
为了探明西湖水体中细菌生物量低的原因，通过添加不同营养盐类的纯种和自然培养试验，对异养细菌生长的限制因子进行了研究。 |
| 4. | A laboratory study was conducted to observe the release of nitrogen and phosphorus from the sediments under both anaerobic and aerobic conditions . the sediment from a fish pond was also used as an experimental material
为了研究底泥氮磷释放规律，取一定量的新鲜底泥在室内进行通气和厌气培养试验；同时，用鱼塘底泥作对照。 |
| 5. | Is an important kind of edificato of desert vegetation . the test way that seed was cultured in laboratory was adopted in this paper . the character of seed germination under the effect of the ecological factors of salt solution , temperature , light was discussed
本文采用实验室种子培养试验法，针对盐胁迫、温度、光照与持续黑暗这3个生态因子，探讨大叶白麻( poacynumhendersonii ( hook . f . ) woodson )和盐节木( halocnemumstrobilaceum ( pall . ) bieb . )种子在上述生态因子影响下的萌发特性。 |
| 6. | Many cell culture and animal experiments have been conducted to investigate the efficacy of these botanical compounds , however , indicating the potential for many beneficial effects such as increased collagen expression , improved antioxidant activity , accelerated healing and enhanced hydration
虽然进行了许多考察这些植物化合物的有效性的细胞培养试验和动物试验，但仅表明他们具有一些潜在的治疗作用，诸如促进胶原表达，提高抗氧化剂的活性，促进愈合以及增强水和作用。 |
| 7. | The content of fixed ammonium , capacity of fixing - ammonium , available fixed ammonium , kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling , laboratory incubation and analyses . the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment
本文通过野外调查取样、室内培养试验和分析测定，研究了湖南省主要旱耕地土壤的固定态铵含量、固铵容量、有效性固定态铵含量以及土壤对铵离子的矿物固定和土壤固定态铵释放的动力学特性，通过田间小区试验，研究了不同施肥结构下土壤固定态铵在黄花菜生长期间的动态变化规律及其生物有效性。 |
| 8. | These are main problems of eutrophication . at first we select algae which grow under different level of nutrition ( or different development phase in the process of eutrophication ) , domesticate , selecte seed , and culture algae at the lab , and then we obtain dependence of each algae on nutrition and understand information of eco - breadth of nutrition of supplied alga through pure culture under different concentration of nutrition . we find out resource utilization , competition between interspecies and confirm the quantity - effec t relationship between succession of species and nutrition through mixed culture
本文首先选取在不同营养环境下(或富营养化过程的不同发展阶段)生长的藻类物种，在实验室内进行驯化、选种与纯化培养；然后通过不同营养水平的纯藻培养实验，获取不同藻种生长过程对营养物质的依赖行为，从而可以了解每一供试藻种的营养物生态幅信息；再通过对应培养浓度的混合培养试验，以期揭示生物种群间的资源利用与竞争行为，并可进一步确定生物种群的演替与环境营养物之间的量效关系。 |
| 9. | While considerable work has been done for the effects on crops jess work was conducted for the effects on soil quality , especially soil environment in rhizosphere . the objectives of this study were , therefor to discribe the characteristics and effects of applying re on soil mineral nutrition with a soil culture experiment as well as the effects of re on translocation and uptake of mineral ions in rhizosphere with a simulating rhizosphere experiment
本研究以油菜和水稻为供试材料，通过土壤培养试验和根际模拟试验并结合室内分析研究稀土对土壤矿质营养的作用及对根际矿质离子迁移、吸收的影响，以期从根? ?土系统出发，为稀土农用增产机理和环境风险性评价提供理论参考依据。 |
| 10. | However , the movement and transformation of n in soil under fertigation remains unclear . the methods of simulation experiment and culture experiment were used to study the movement and transformation of n in soil under fertigation by drip irrigation . the main experimental results were shown as folio wings : ( 1 ) the water infiltration under drop irrigation is a point infiltration ; and the soil moisture in vertical and horizontal directions was increased with the irrigation time , and the movement rate were decreased with the irrigation time
本研究采用室内模拟试验和生物培养试验相结合的方法，研究了在滴灌施肥条件下，化学氮肥施入土壤后的迁移、转化规律以及对作物生长的效应，获得了以下主要结论： ( 1 )滴灌条件下水分以点源入渗土壤，水平和垂向的湿润锋均随入渗时间的增加而逐渐变大，在入渗开始阶段湿润锋的推进速率较大，随入渗时间的延长，湿润锋的推进速率逐渐变慢。 |
