At present artemisinin is expensive and in short supply because its only source is sweet wormwood, a Chinese medicinal plant.
目前，由于青蒿素的唯一来源是一种叫艾蒿的中草药，因此其价格昂贵且供不应求。
For example, if a plant needs protection against a leaf-feeding pest, the protective agent need not also be present in the grain (that's harvested for food).
例如，如果一种作物需要保护免于遭受一种以叶子为食物的害虫的侵害，保护剂不需要在（作为粮食而收割的）作物中出现。
By combining the wires with electrolytes naturally present in the plant, the researchers were able to create a transistor that converts electrochemical signals into electrical output.
通过比较电线和植物中天然存在的电解质，研究者们能够发明一种晶体管，将电化学信号转化为电力输出。
This plant is a particular favorite of Neville Longbottom's, who received one as a present from his Great Uncle Algie for his 15th birthday (OP10).
这种植物是纳威·隆巴顿最喜爱的，他的阿吉叔公给了他一棵作为他的15岁生日礼物(凤凰社，第10章)。
At present, CNPEC has set up a set of high level plant supervision system that integrates with international ones.
目前中广核已建立了一套高标准、与国际接轨的设备监造体系。
Carbon, hydrogen, and oxygen are usually abundantly present in air and water. As a result they do not ordinarily represent limiting factors for plant development.
在空气和水中常常存在大量的碳、氢、氧，因此，一般情况下它们对植物发育不是限制因素。
Both the present state and long term changes of a qu atic plant diversity in Changhu Lake, the third largest lake of Hubei Province in China, were studied in the paper.
研究了湖北省第三大湖泊长湖水生植物多样性的现状及其长期变化，并探讨了多样性丧失的机理及多样性恢复与保护的有效途径。
At present coal is the most common food of a steam plant.
目前，煤是蒸汽动力厂的最常用的能源。
Treating combined sewage effluent from a secondary treatment plant, the process achieved 94.5% cadmium removal for the trace quantities present .
用这种方法处理二级处理厂排出的综合下水，可除去水中含镉量的94.5。
A brief final introduction of the present research on the various bioreactor types for zooblast and plant cell culture is given in this paper.
文章综合介绍了国内外细胞培养生物反应器的研究现状。
At present, the natural plant straw is a new kind of environmental protection cushion material to produce the cushion packing liner, and it has the giant potential market value.
目前，天然植物秸秆是制作缓冲包装衬垫的一种新型环保缓冲材料，具有巨大的潜在市场价值。
At present, tomato is acted as bio-reactor in order to manufacture plant vaccine, gene engineer pharmaceutical and function food which is becoming a hot question in the study of tomato gene engineer.
目前，利用番茄作为生物反应器生产植物疫苗、基因工程药物和功能食品的研究正成为番茄基因工程研究的一个热点。
The analysis of plant design parameters is made to present a comparison between standard and stack gas recycle plants with reference to process condition and energy recovery.
对影响硫酸装置设计的各种参数进行分析，给出了尾气循环工艺与传统流程在工艺条件及能源回收等方面的对比数据。
For decades it has been possible to identify THC chemically, but the drug is not present in all plant tissues or throughout a plant's life cycle.
几十年来尽管能够通过化学手段鉴定THC，但是这种药物并不是植物所有组织中存在，而且不是在植物的整个生命周期中存在。
At present, the process control of the industrial system is normally based on the field bus technology, whose control scale is restricted in a workshop or a plant.
当前，工业过程控制多数是基于现场总线技术的，控制范围限于一个车间或一个工厂(一般不超过几公里)。
The present situation of sewage harnessing of Qidashan concentrating plant is analysed, and a comprehensive sewage harnessing scheme is put forward in light of the existing problems.
分析了齐大山选矿厂污水治理现状，针对其存在的问题提出了综合治理方案。
The heat exchanger network of a medium ammonia plant has been analyzed by means of pinch technology, and some waste of energy use in the present heat exchanger network has been found.
运用夹点技术分析了某化工厂中型合成氨装置的换热网络，发现现有换热网络中有较多能量利用不合理的地方。
At present farmers with Quanxiang 2200 signed a purchase and sale agreement to ensure that the egg for egg production plant sources.
目前与全乡2200户农户签订了购销协议，确保了蛋品厂生产所需蛋源。
According to the present product state of the Midi concentrating plant, the authors give a new technique of control classification of spiral classifier overflow with cyclone screens.
从密地选矿厂生产现状入手，提出了应用旋流筛对螺旋分级溢流进行控制分级的新工艺。
Then we present a design plan for the real-time monitoring system of production process of Zhanjiang Power Plant according to the investigation into practice requirement.
并在应用需要调研的基础上，给出了湛江电厂的生产过程实时监控系统设计方案。
Traditional solvent alkyd has a large market share in the industrial coatings in China at present. Half of raw materials are renewable plant resource and easy to obtain.
目前，我国传统的溶剂型醇酸产品在工业涂料方面占有很大的比例和市场，其中一半的原材料为可再生植物资源，原料易得。
The present dissertation is a systemic study on marine microorganisms in plant habitats of southward and northward littoral zone.
本文对南北方近海潮间带盐生植物生境中的微生物资源进行了系统研究。
The present invention also provides a process for preparing a transformed plant characterized in that the gene introduction method of the present invention is used.
本发明还提供以采用基因导入法为特征的转化植物的制造方法。
The present results can provide a theoretical basis and technical support for water plant to predict and control T. tubifex pollution.
本文研究成果可以为水厂颤蚓污染风险的预测和控制提供相应的理论依据和技术支持。
The present invention discloses a kind of plant resistance relative protein and its coding gene and application.
本发明公开了一种植物抗逆性相关蛋白及其编码基因与应用。
The present invention discloses a kind of plant resistance relative protein and its coding gene and application.
本发明公开了一种植物抗逆性相关蛋白及其编码基因与应用。
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