针对传统方式清理煤矿井下煤仓存在的问题,结合朱集东煤矿现场应用条件,提出一种与传统工艺相结合的气动隔膜泵清理水仓新方法,阐明了该方法的基本原理、清理工艺及其技术优势.实践证明,该方法施工工艺简单、效率高、劳动强度低、安全度高,取得了良好的经济及社会效益.

沙冷杉(Abies holophylla Maxim.)寿命长,抗病虫能力强,树形端庄优美,喜冷湿气候,耐寒,是良好的园林绿化树种。木材纹理直,有光泽,具香气,为优良用材和观赏树种。本文对已发表的文献进行归纳。

To resolving problems of knowledge acquisition and less portability of traditional diagnosis system,it propounds complex system fault diagnosis method based on principle model.Based on the analysis of missile weapon system's structure and action,by applying digital logic deduce method,builds up the system equivalent simulate model,then by searching path orienting method from conflict between expectation and observation,it studies efficient system simulate and deduce method,and implements automatic missile weapon system fault diagnosis.

Cyanuric acid (CA) is prepared by pyrolysis of urea in solvents. The effects of solvents and feeding modes were investigated. When urea added in batches, CA was synthesized with high yield in the mixed solvents of dimethylformamide (DMF) and nitrobenzene with the volume ratio 1:3. The reaction conditions are urea added during 20 min, reaction temperature 200±2 ℃, 1 g ammonium chloride as catalyst, and reaction time 3.5 h. Under the conditions, the yield of CA is 88%.

2-Acetyl thiophene was synthesized from thiophene and acetic anhydride catalyzed by resin. The effects of the ratio of acetic to thiophene, reaction temperature and reaction time were investigated. The suitable reaction conditions are acetic anhydride 12.2 g (0.12), thiophene 8.4 g (0.1 mol), resin 1 g, reaction temperature 95±2 , reaction time 2.0 h. Under the conditions, the yield of 2-acetyl thiophene is 83%. The catalytic activity of resin was maintained after 5 runs, and the activity of resin can be restored after regeneration with hydrochloric acid.

This paper introduces eight kinds of engineering methods on improving the product quality reliability of military software through analyzing the defects during the software development process. The problem of low reliability of military software was resolved efficiently through applying these engineering methods, which are summarized from practices on military software development.

Study of forest natural forest early spring plant diversity at Hujia forest farm. Shannon-Wiener diversity index decreased year by year; dominance increased. Species richness index and Shannon-Wiener diversity index difference,while ecological dominance of D did not change significantly.

The geological condition of No.3801 fully mechanized top coal caving mining face in Shuiliandong Mine was extremely complicated.To rationally determine the sectional coal pillar was an actual engineering difficult problem.With the on line observation at the side stress filed and displacement field of the front and rear part of the coal mining face,the stress distribution law and deformation condition at the solid coal side along goaf of the fully mechanized top coal caving mining face was obtained.With the numerical simulation,the stress distribution variation law at the solid coal mass of different coal size along goaf was obtained.The rational coal pillar size left was obtained from the comprehensive analysis and could provide the scientific references to rationally determine the rational coal pillar size for the fully mechanized top coal caving mining in ultra thick and hard seam in the same system of Changbin Mining Area.

This paper described the construction measures of cast-in-concrete concrete liner in channels.

Selecting Outlast/Modal/polyurethane fabric,Siwear/ Modal/polyurethane fabric,Outlast/polyurethane fabric and Siwear/ polyurethane fabric,setting the pretreatment temperature at 195 ℃,applying hydrogen peroxide solution to make the bleaching and taking the orthogonal experimental method,this compares the dyeing properties of these four fabrics when being dyed with ciba medium temperature reactive dye-Yellow S-3R,Blue S-GL and dark Red S-B.The results show that the dye up-take sequence from high to low is Siwear,Outlast and Modal,but the difference is not big and dyeing can be applied to the blended fabric.Range analysis shows that under the same conditions of concentration of 1%,bath ratio of 1:10 and chelating agent concentration of 1g/L,Yellow S-3R's optimized dyeing technology is that: the dyeing temperature is 70 ℃,the concentration of sodium sulfate is 40～50 g/L,and the concentration of soda is 10 g/L;Blue S-GL's optimized dyeing technology is that: the dyeing temperature is 60 ℃,the concentration of sodium sulfate is 40～50 g/L,and the concentration of soda is 10 g/L;Dark Red S-B s optimized dyeing technology is that: the dyeing temperature is 60 ℃,the concentration of sodium sulfate is 40 g/L,and the concentration of soda is 10 g/L.Furthermore,the four kinds of dyed fabrics show excellent dry and wet fastness to rubbing and soaping about Class 4 to 5 or even above.

It is elaborated the qualities and liabilities that the site representative of Party A is required to have.At the same time,Party A should focus on the works about the investment control, schedule control, quality control and other aspects to ensure the smooth implementation of the project.

Fuzzy comprehensive evaluation is an effective multi-factor decision-making method used to perform comprehensive evaluation of properties affected by many factors. The character of the method is that the evaluation result is not absolutely positive or negative, but that it is expressed by a fuzzy set. “SIWEAR” PCM fiber is a new type of intelligent air-conditioning fiber. Its development and application are still in the experimental stage. To obtain the best textile and knitting technology, six kinds of knitted fabrics were produced using different technology processes and seven performance indexes were chosen to determine the best integrated wearability fabric using the multi-factor fuzzy comprehensive evaluation method. The final results provide a design reference for “SIWEAR” PCM fiber's design and production.

Based on missile test data and experts' experience,the influence on missiles quality was studied,and the quality structure was built to calculate weighting coefficient by means of IHAP and Delphi.According to the distributive law,the corresponding models were built to synthesize unitary dispersions and calculate quality index of sub system or entire missile.

Based on the test data of missiles and experiences of experts,the quality elements of certain missile are analyzed,and the quality structure is built to calculate cost coefficient by the means of IAHP and Delphi.According to the distributing disciplinarian,the corresponding models are built to synthesize unitary dispersions and calculate quality value of sub system or entire missile.Then the integrated fuzzy evaluation method is used to assess the quality state of certain degree.

To resolving the problem of shorting of water and lower WUE,the stage and daily characteristics of evapotranspiration changes of spring wheat,the influencing factors of evapotranspiration and the relationship between evapotranspiration and crop yield were studied by controled irrigation in this paper.The results showed that the stage of peak evapotranspiration of spring wheat is mainly at grain-filling stage,taking up 41.3 to 68.8 percent of the whole phonological stage,then comes the stage from jointing to heading.The daily change of evapotranspiration at different stages is a single curve.And its highest value is at 4pm,and the lowest value is at 2 to 6 am.Radiation, temperature,irrigation quota and soil moisture content are the main factors that influence evapotranspiration.And the regression models are established respectively.crop yield is influenced greatly by evapotranspiration from jointing to heading,and it is significantly correlated to grain number per ear and 1000-grains weight.Utilizing Jensen model,the paper analyzed the influence of water deficiency on the crop yield at different stages,the period from tassel to mature have the biggest sensitive index of(-0.4238) and this period for the spring wheat is considered as the water demanding critical period.

For the purpose of practically making use of satellite space monitoring technology in the field of earthquake prediction, processing procedures for the collected remote thermal infrared observation data taken by satellite are given. Using plane and three-dimensional software for image processing, information of anomaly field from remote sensing observation of thermal infrared image taken by satellite is analyzed and studied, other relevant software, such as data format transformation, data pre-processing, anomaly selection and data adapter, are also developed. It is convinced that the application of satellite space monitoring technology will brings a new mode of thinking to the field of earthquake prediction and a faster way for data acquisition, transmission, processing and analyzing.