查询词典 water and soil

The quality of irrigation water,soil and atmosphere were monitored and evaluated in Qingyuan County production demonstration plot of "Zhidong" brand of spring-sweet tangelo.

合理保护和利用自然资源，努力提高生产系统的自我维持能力，生产出优质、安全、无污染的食品是绿色食品产地环境质量评价的目标。

Reforestation and building terraced fields are the most important measures for soil and water conservation.

喀斯特山区的土壤移动受岩性、地形、地貌部位等具体条件的控制作用更为严格。

The thallium content is low in environmental media such as water,soil,minerals and rocks,organisms and human bodies.

铊在水、土壤、矿物岩石、生物及人体等环境介质中的自然分布均较低，但矿山资源的开发利用等人为因素造成了铊对环境的严重污染。

Sabina wlgaris Ant. Var. vulgaris suitable to planting in arid area is a good evergreen creeper tree with the characters of cold resistance, drought resistance, poor soil resistance and shade bearing. This kind of tree can replace the lawn in city and town requiring high consuption of water.

天山圆柏是抗寒、抗旱、耐土壤府薄、耐荫的优良常绿匍匐类针叶树，在干旱区阳坡和前山带生态建设中可广泛应用，同时是城镇园林绿化中替代高耗水草坪的极佳树种。

Vetiver system is a low cost and effective system which has been used for soil and water conservation, infrastructure protection, pollution control and treatment, and natural disaster prevention.

香根草系统是一种价格低廉、用于水土保持、基础设施保护、污染控制和治理、减轻自然灾害等的有效系统，自1988年引入我国已历经20年。

The soil and water loss is the main problem, which influence the harmonious development of nature and the human beings.

其中水土流失是主要存在的问题，它影响到人与自然的和谐发展。

Chemical treatments could efficiently decrease the amount of waxiness, the cellulose, semi-cellulose and silicon dioxide of raw rice straw, while water-soluble compounds of the treated rice straw was increased and therefore the treated straw could be easily attacked by soil microorganisms.

在此基础上，本文通过小麦和菠菜盆栽试验，研究了经过化学处理的水稻秸秆与氮肥配施对土壤微生物量碳、氮、矿质态氮(NO_3~--N+NH_4~+-N)的动态变化以及作物生长的影响，获得以下研究结果： 1。

It has been foundchu bing the effect of vaccination, then the transplant field cultivation.ji ze With adequate sunlight, good soil quality and coordination of the water gas heat, after a generation of well-cultivated, hot pepper in the root here, and formed its own characteristics, and optimize for the current "Yanggakdo Law."

人们发现它有防疫除病之功效，便将其移植田间种植。凭借鸡泽充足的阳光、优良的土质和协调的水肥气热，经过世代的精心培植，辣椒在这里扎下了根，并形成了自己的特色，优化为现在的"羊角椒"。

Flos lonicerae has typical morphological and physiological characteristics of xerophil so that it can be utilized in ecological management as well as soil and water conservation in arid region.

对不同岩溶地质环境下蜈蚣草和黄荆适生状况对比研究表明，蜈蚣草适合于石漠化的早期治理阶段，在中后期治理中，选用CA活性较高的黄荆等落叶灌木或小乔木可能更为有效。

However, the unique exception isthat PHB is able to be aerobically degraded to carbon dioxide and water by a numberof different soil-bacteria and fungi. As a result, PHB has gained much attention in theplastic industry. 3-Hydroxybutyrac acid and ethyl 3-hydroxybutyrate are the mainmonomers for producing PHB, an important biodegradable plastic.

这主要原因是PHB不但具有与通用塑料类似的物理性质，而且它还可被土壤中的细菌和真菌降解为二氧化碳和水。3-羟基丁酸和3-羟基丁酸乙酯是合成PHB的主要单体，目前尚未工业化生产。

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。