查询词典 effects

The interior flow field of the deep－well pump is studied with Particle Image Velemetry technology. The effects of flow field on motion rule of valve and the effects of interior structure on flow field are analyzed.

林盛应用粒子成像测速技术对深井泵泵内流场进行了研究，分析了流场对泵阀运动规律的影响以及泵内结构对流场的影响。

METHODS The killing effects of NDV-L on cancer cells and normal cell were observed by means of plaque assays, HA titer test and MTT test. The inducing effects of NDV-L on apoptosis were observed by means of Giemsa's dying test, phase contrast light microscopy, transmission electron microscope, DNA extraction, and flow cytometry.

通过噬斑形成单位、HA效价、MTT法等方法检测NDV -L对细胞的杀伤作用；通过Giemsa's染色法、倒置相差显微镜、透射电镜、DNA凝胶电泳、流式细胞仪检测NDV -L诱导肿瘤细胞凋亡的作用。

Based on the continuously irrigating model test of brackish water(4.7g·L-1)on the shallow thick-bedded clay parting heavy loamy soil with treatments of different amendments,such as zeolite,phospho-gypsm and so on,the effects of long term brackish water irrigation on the physical and chemical characters of soil and the effects of amendments on the soil of long term brackish water irrigation were all discussed.

在天津市静海县重壤质浅位厚层夹粘土上，布置了连续多年灌溉浅层地下微咸水(矿化度4.7 g·L-1)的模拟试验，对土壤渗透特性、土壤团粒结构等物理性状以及全盐、分盐等化学性状的影响进行了研究。

Based on the continuously irrigating model test of brackish water(4.7g·L-1)on the shallow thick-bedded clay parting heavy loamy soil with treatments of different amendments,such as zeolite,phospho-gypsm and so on,the effects of long term brackish water irrigation on the physical and chemical characters of soil and the effects of amendments on the soil of long term brackish water irrigation were all discussed.

结果表明，长期灌溉微咸水有恶化土壤化学性状、物理性状的趋势，土壤表层聚盐、氯钠离子比例提高、土壤初始入渗率逐年降低，短期灌溉还能破坏土壤水稳性团聚体，但施用沸石、磷石膏等适宜土壤改良剂能够起到缓解的效果。

Effects of temperature on the immune responses and outbreaks of WSS in penaeid shrimp The effects of temperature on outbreak of white spot syndrome of M. japonicus were studied through simulated experiments.

温度对养殖对虾白斑综合症发生的影响以人工感染的日本对虾为实验材料，比较了不同温度条件下白斑综合症发生的迟缓，体内THC、血清PO活力以及病毒感染程度的差别。

However, so far there are no reports on the effects and mechanisms of chitosan with a special molecular weight on extending the storage life of fruit and vegetable. Here chitosan of a special molecular weight was employed to study its effects and mechanisms on the preservation of strawberry, Huanghua pear, green pepper, tomato, mango.

本试验采用特定分子量的壳聚糖，选择草莓、黄花梨、青椒、番茄、芒果等多种类型果蔬为试材，从不同分子量的壳聚糖最佳配合及其成膜性、抗病性，以及添加助剂的优化和对常温贮藏果蔬保鲜的生理生化效应等方面开展研究。

Methods The concentration effects of stock solution of vaccine by filter membrane with various sizes were compared by detecting HFRS virus antigen by ELISA. The purification effects of ion exchange chromatography and gel filtration were also compared.

用ELISA检测HFBS病毒抗原的方法，比较疫苗原液通过不同孔径滤膜的浓缩效果；比较离子交换和凝胶过滤的纯化效果。

4 Rhizosphere effects on starch paste properties There were no obviously rhizosphere effects on the paste time and temperature of spring-sown maize and summer-sown maize.

相同氮水平下，低氮时根际作用对春玉米Peak、Trough、Breakdown、Visco、Setback均为负效应；高氮时除Breakdown外均为正效应。

But the rhizosphere effects on spring-sown maize and summer-sown maize were quit different. At level of N1 and N2, rhizosphere effects had decreased the dry matter, grain yield, crud protein yield and crud fibre yield, while increased the grain starch content and the ratio of amylopectin to amylase.

两个氮水平下，根际作用对春玉米生物产量、籽粒产量、粗蛋白产量、粗纤维产量表现负效应，而对籽粒淀粉含量、直链淀粉含量、支链淀粉含量及支/直则为正效应。

The main results are:(1) The cumulate cause-effects model was demonstrated at both macro and micro level data. The problem of data fitting of hypertension prevalence data was solved well enough with the cumulate cause-effects model. The parameters of the model were meaningful for the practice.(2) Taking the hypertension developing speed as an indicator of health equality of hypertension between urban and rural residents in China and discovered the macro level determinants of it.(3) The causal network was testified by the structure equation model.(4) It is found that the major determinants of hypertension prevalence in China is population ageing, overweight, lifestyle changing due to high economic developing speed and the lagging behind of health education.

主要的研究成果有：(1)首次观测到我国高血压的患病率曲线符合累积风险效应模型，解决了高血压患病率资料数据拟合中长期存在的方法学问题，并对模型中参数的实际流行病学意义给出了合理的解释，能够对疾病的发病率进行间接的估计；(2)提出了用高血压的发展速度作为衡量我国城乡高血压造成的健康不平等的重要指标，解决了我国高血压患病率评价中长期存在的一些错误性认识，揭示了我国高血压城乡发展不平衡的宏观决定因素；(3)利用结构方程模型对构建的网络模型进行拟合分析，证明了模型的有效性；(4)揭示了目前影响我国高血压发展趋势的决定因素，主要包括人口老龄化趋势加剧、超重人口比例增加、经济的快速发展带来生活方式的转变和健康教育的相对滞后等几个方面。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。