山东培育出富油海洋微藻

国家驻山东科研单位培育出富油海洋微藻，最高含油比已达68％，并在此基础上，制取生物柴油，与初步实现产业化的玉米等粮食作物制取生物柴油的方法比较，海洋微藻的产量高，单位面积的产量是粮食的几十倍，生长周期短、繁殖快，不占用耕地。同时，微藻个体小、木素含量很低，易粉碎干燥，用微藻生产液体燃料，加工要求相对较低，生产成本较低。此外，微藻生长可消耗大量二氧化碳，从微藻到油的生产全过程，可以实现零排放，具有良好的环境效益。     

《环境工程学报》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏目设置），其次，应主题明确，重点突出，论据充分，数据可靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题名，作者姓名、工作单位（需全称，大学应到院系一级）、所在城市、邮编，摘要，关键词（3～8个），中图分类号，英文题名，作者姓名汉语拼音，作者单位英文名称，英文摘要，英文关键词（与中文关键词相对应），正文以及参考文献。     

《环境工程学院》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏目设置），其次，应主题明确，重点突出，论据充分，数据可靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题名，作者姓名、工作单位（需全称，大学应到院系一级）、所在城市、邮编，摘要，关键词（3～8个），中图分类号，英文题名，作者姓名汉语拼音，作者单位英文名称，英文摘要，英文关键词（与中文关键词相对应），正文以及参考文献。     

《环境工程学报》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏目设置），其次，应主题明确，重点突出，论据充分，数据叮靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题名，作者姓名、工作单位（需全称，大学应到院系一级）、所在城市、邮编，摘要，关键词（3～8个），中图分类号，英文题粥，作者姓铝汉语拼音，作者单位英文名称，英文摘要，英文关键词（与中文关键词相对应），正文以及参考文献。     

血液

血液是人和动物体内不可缺少的重要组成部分，血液有三种：一种是哺乳类动物的，都是红色，里面含有血红素，其中含有铁；一种是像蜗牛等软体动物及其像螃蟹等动物的血，是蓝色的，其内含有血青素，当不带氧时是无色，当带有氧时是青蓝色；另外一种是一些节肢动物的血，是紫色的，为一种蛋白质，当呼吸时可带氧，但不含血质，生物学上称之为带氧素。     

《环境工程学报》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏翻设置），其次，应主题明确，重点突出，论据充分，数据可靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题名，作者姓名、工作单位（需全称，火学应剑院系一级）、所柱城市、邮编，，关键词（3～8个），中图分类弓，英文题名，作者姓私汉语拼音，作者单位英文辊称，英文，英文关键词（与中文关键词相对应），正文以及参考文献。     

《环境工程学报》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏目设置），其次，应主题明确，重点突出，论据充分，数据可靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题钇，作者姓名、工作单位（需全称，大学应到院系一级）、所在城市、邮编，，关键词（3～8个），中图分类号，英文题名，作者姓名汉语拼音，作者单位英文名称，英文，英文关键词（与中文关键词相对应），正文以及参考文献。     

土壤中四氯苯、六氯苯的测定

通过实验测定土壤中四氯苯、六氯苯的有机污染组分，详细介绍了样品的提取、净化与分析。该方法在0～150ug／L范围内，线性良好，其检出限分别是1，2，3，5四氯苯为1．2ug／kg，1，2，4，5四氯苯为2．0ug／kg，1，2，3，4四氯苯为2．0ug／kg，六氯苯为0．6ug／kg。     

《环境工程学报》投稿须知

一、对来稿的总体要求 来稿首先必须属本刊刊登范畴（参见本刊简介中的栏目设置），其次，应主题明确，最点突出，论据充分，数据可靠，文字精练，图表清晰。每篇论文篇幅尽量不超过8页。来稿应包括（按以下顺序）：题名，作者姓名、工作单位（需全称，大学应到院系一级）、所在城市、邮编，摘要，关键词（3～8个），中图分类号，英文题名，作者姓名汉语拼音，作者单位英文名称，英文摘要，英文关键词（与中文关键词相对应），正文以及参考文献。     

专家认为上调消费税只是前奏开征燃油税是必然趋势

财政部日前在解读上调大排量汽车消费税时表示，汽车工业是能源消耗和污染物排放“大户”，是节能减排工作的重点。因此，有专家表示，消费税政策调整是燃油税开征的前奏，开征燃油税是必然趋势。财政部有关负责人表示，近年来，我国汽车保有量大幅攀升，对汽柴油的需求急剧增加，造成的空气污染也日益严重。同时，随着石油对外依存度的不断提高，能源安全问题也已变得十分突出，加强汽车行业的节能减排工作已经刻不容缓。     

Optimization of Height of Release of Air Pollutants

A number of key projects in the Environmental Protection Agency (EPA) particulate R&;D program having applicability to industry are presented. For electrostatic precipitators (ESP) there is presented the result of work on large diameter discharge electrodes which provide a decrease in penetration of up to a factor of 4 when compared to conventional small diameter electrodes. Also discussed is the multistage ESP which provides a collection efficiency that would require a collecting plate area 4 or 5 times larger with conventional ESP technology. The E-SOX technology makes use of the multistage concept to free up space in the ESP for SO₂ removals of up to 90%. Electrostatically augmented fabric filtration provides a reduction in pressure drop of about 5 0% as compared to conventional fabric filtration. Wind tunnel modeling of windbreaks for material storage piles indicates a potential for providing engineering design data that would allow significant emission reduction caused by wind erosion     

Investigation of the characteristics of the reflectivity of clouds

This paper investigates some of the reflectivity characteristics that clouds (when modelled as solid bodies) must exhibit to be compatible with observations that the reflecting surface of a cloud (i) appears almost equally bright across its face, (ii) is brightest when the cloud is opposite to the Sun but decreases in brightness as the cloud moves to other positions and (iii) increases in brightness with increasing optical thickness of the cloud in the observer's line of sight. These observations, respectively, are shown to imply that the peak value of the bidirectional total reflectivity from a cloud surface (i) increases in inverse proportion to the cosine of the angle between the Sun and the normal to the cloud surface, as the incident angle increases, (ii) appears to be directed back in the direction of the incident radiation, and (iii) increases as optical thickness of the cloud in the observer's line of sight increases. The results could have application in many fields (e.g. modelling diffuse radiance distributions for cloudy skies).     

次氯酸钠发生器的研制

介绍了电解法生产次氯酸钠的原理 ,并在原有生产工艺的基础上进行了重新设计和对设备的重新选择、改造 ,得出了各个工艺参数的最佳值 ,生产出高品质的次氯酸钠     

Estimation of uncertainty of sampling for analysis of pesticide residues

Abstract

A computer model was used to take random samples from primary sample populations obtained from field trials to simulate the uncertainty of sampling for residue analysis of plant commodities and soil. The results indicate about 40%, 30% and 20% relative uncertainty when random samples of size 5, 10 and 25 are taken respectively, from a single lot. Therefore the sample size should be the same for establishing and enforcing legal limits.     

扬中生态环境建设的思考与实践

结合扬中生态环境的基本情况和存在的不足，进行了具体分析，对扬中未来生态建设的发展方向提出了建议及实施措施。     

实验室质量管理体系内部审核的策划

在实施ISO／IEC 17025：1999标准《检测和校准实验室能力的通用要求》过程中，通过实验室质量管理体系内部审核的实践与系统分析，识别出内部审核策划阶段的关键环节，提出审核范围确定、审核计划和抽样方案制订的质量控制要求，为有序高效地实施内部审核提供了技术方法。     

An application of the theory of kinematics of mixing to the study of tropospheric dispersion

The most common technique used for numerical simulations of tracer mixing is that of the numerical solution of the advection–diffusion equation with the unresolved fluxes parameterized using the similarity theory. Despite correct predictions of the overall directions of transport, models based on a numerical solution of the advection–diffusion equation lack sufficient accuracy to correctly reproduce the coupling of mixing with small scale processes which are sensitive to the microstructure of the tracer distribution. The objective of this paper is to revisit the basic formalism employed in numerical models used to investigate atmospheric tracers. The main mathematical method proposed here is the theory of kinematics of mixing which could be applied effectively for simulations of atmospheric transport processes. At the beginning of the paper, we introduce simple mathematical transformations in order to demonstrate how complex topological structures are created by mixing processes. These idealistic flow systems are essential to explain transport properties of much more complex three-dimensional geophysical flows. An example of the application of the kinematics of mixing to the analysis of tracer transport on a planetary scale is presented in the following sections. The complex filamentary structures simulated in the numerical experiment are evaluated using some commonly applied statistical measures in order to compare the results with the data published in the literature. The results of the experiment are also analysed with the help of simple conceptual models of fluid filaments. The microstructure of the tracer distribution introduced in the paper is essential to increase our understanding of atmospheric transport and to develop more realistic parameterizations of small-scale mixing. The presented results could also be used to improve calculations of the coupling between microphysical processes and tracer mixing.     

Comparison of methods for evaluation of activity of photocatalytic films

Objective

This work aims to investigate the correlation between the photocatalytic activity determined by methylene blue bleaching (DIN 52980), stearic acid degradation, and degradation of acetone in gas phase.

Method

The photocatalytic TiO₂ coatings included in this investigation ranged from thin commercially available coatings (Activ^TM and BioClean^TM) and ready to use suspensions (Nano-X PK1245) to lab-produced PVD and sol?Cgel coatings. XRD analysis of the photocatalytic coatings showed that all the coatings consisted of nanocrystalline anatase, although the thickness and porosity varied considerably.

Results

The study showed that the reproducibility of the activity measurements was good. However, more importantly, the investigation showed that there is a good correlation between the activities determined by the different methods even though the characteristics of the photocatalytic coatings and the organic probe molecules varied considerably.

Conclusion

The overall findings of this work suggest that there is a good correlation between the investigated methods. These results are promising for the future work concerning standardization of methods for determination of the activity of photocatalytic films.     

Impact of overexploitation of shellfish: northeastern coast of India

India has a very extensive coastline of about 7515 km, rich in diverse living resources. These resources continue to deteriorate with rampant harvesting or are altered for other uses such as aquaculture and fisheries. The present paper deals with degrading coastal habitats in northeastern India, and projects the intensity of the stress arising from the collection of tiger prawn seeds (Penaeus monodon) for aquacultural farms and molluskan shells for poultry feed and edible lime. Indiscriminate exploitation of these resources leads to a heavy reduction of the species concerned and other associated marine communities. The magnitude of such destruction has been quantified. The impacts of biodiversity loss and their after-effects on the ecobalance of this coastal system have become a matter of great concern to ecologists to maintain security and sustainability. The authors propose a public awareness program on themes relating to the importance of biodiversity for human livelihoods.