前沿

The company is composed of BeiSa Brand Discount management headquarter and BeiSa Brand Discount corporation, the headquarter employs its mature and advanced management model, innovative marketing value and outstanding market promotion team, powerful customer services as well as precise prediction of fashion trend, to construct the most comprehensive selling platform for brand clothing discount in China, and gradually become the leading company with best quality and value in domestic professional brand clothing sale.

公司下设贝特品牌折扣运营总部和贝特品牌折扣公司，总部利用先进而成熟的管理模式，富于创新的营销理念和优秀的市场推广团队，强大的服务保障体系以及对前沿流行趋势的精准掌握，构建了中国最完善的品牌服饰折扣销售平台，成为国内专业品牌服饰超值特卖机构。

Based on the changes in spectrum characters of the fluorescent probes reacting with reactive oxygen species, we have carried out three aspects of investigation:First, two fluorescent probes of O2- vanillin-8-aminoquinoline and 2-(2-pyridil)-benzothiazoline were synthesized.

因此，针对动、植物生物活体内自由基开创新的分析与检测技术是分析化学学科发展中具有挑战性的前沿课题之一。

Starting from 2-naphthylamine,2,2′-diamino-1,1′-binaphthyl was obtained via oxidation,coupling reaction and rearrangement.

&配体催化合成&是有机化学研究领域中的前沿和热点，它是化学领域的一门交叉学科。

In bioreaction engineering teaching,we put emphasis on theoretical treatment,stressing the creation and cultivation of scientific mode of thinking.The study enthusiasm and desire to participate of students were improved by using interactive teaching.Some numerical methods were supplemented to eliminate the fear of students to some complicated mathematical problems.

生化反应工程是生物工程专业的主干课，是以生化反应动力学为基础，综合运用传递过程原理、设备工程学、过程动态学及最优化原理等化学工程学的方法，进行生化反应过程的工程分析与开发，以及生化反应器设计、放大、操作和控制的一门学科[。1]因此，生化反应工程是化学反应工程的一个分支，是当前反应工程研究的前沿领域。

At a time when most social networks are still trying to figure out how to make money from advertising, one social network is bucking the trend.

在的时候，大部分的社会网络仍试图弄清楚如何去赚钱，从广告，一个社会网络是流行时尚的前沿。

Puyang City, Henan Province The largest professional pyrrolidone series products suppliers --- Puyang Guangming Chemical Co., Ltd., the company now has 12,000 tons / annual production capacity of -butyrolactone, 8000 tons N-methyl pyrrolidone and 2,000 tons of N-ethyl pyrrolidone joint installations, with domestic leading production scale and technology, product quality to meet international standards for similar products, product purity, moisture better than the imports of similar products, is currently the cutting edge of technology, quality, optimal , the lowest cost, the largest N-methyl pyrrolidone and N-ethyl pyrrolidone high-tech enterprises.

河南省濮阳市最大的专业吡咯烷酮系列产品供应商－－－濮阳市光明化工有限公司，公司现拥有12000吨/年产γ-丁内酯、8000吨N-甲基吡咯烷酮和2000吨N-乙基吡咯烷酮的联合装置，具有国内领先的生产规模和技术，产品质量达到国际同类产品标准，产品纯度、水分优于进口同类产品，是目前国内技术前沿、质量最优、成本最低、规模最大的N-甲基吡咯烷酮和N-乙基吡咯烷酮高新技术企业。

They can be used to set up a forward defense on maps like Cabana, creating a damaging choke point.

它们可以在Cabana图上设置前沿防线，创造一个咽喉要点。

In Chapter Four, the surface fracture was studied for a functionally graded plate with a semi-elliptical surface crack under state thermal loading, and studied the influence of crack sizes, aspect ratios and material property on the stress intensity factors along a crack-front under two types thermal loading: calefactive state thermal loading and descent state thermal loading.

第四章研究了含有半椭圆表面裂纹的功能梯度材料板条在稳态温度热载荷作用下的裂纹问题分析，着重考虑了升温载荷及降温载荷作用下应力强度因子在裂纹前沿的分布及材料梯度及裂纹与板的几何尺寸对应力强度因子的影响。

At the same time, on the base of analysis of the present situation, the development trend and the leading edge technology, the necessity and feasibility about the exploitation of the full hydraulic bulldozer"s sate monitoring and fault diagnosis system is given; According to the structure, working feature and working environment, it works out system schema and system composition; The system is divided into display module, communication module and fault diagnosis module by means of block design, the implementation method and key parameter are also given; In light of the features of the full hydraulic bulldozer, the state monitoring and fault diagnosis platform composed of controller RC6-9 and display DI2/10 is designed based on CAN-Bus and the hardware design is completed; It lists the measured values and state of monitored parameters which should be real-time displayed in monitoring module as well as the data which will be transmitted; Furthermore, On the base of the study of, it gives 34 kinds of constant faults" diagnosis methods; Using BODAS software and DPS software, it compile the program code of the controller and the displayer; At last, this paper design and make the simulation test device of control system of construction machinery, through the experiment, the realizability, the categoricalness, the reliability, the stability and real-time are tested, in addition, the improved methods are given.

本文收集整理了国内外智能推土机研究的相关文献资料，综合分析了国内外智能推土机的研究现状、发展趋势和前沿技术，论证了开发全液压推土机智能系统的重要组成部分&全液压推土机状态监测与故障诊断系统&的必要性和可行性；根据全液压推土机的结构、作业特点和作业环境，制定了全液压推土机状态监测与故障诊断系统方案，确定了系统的结构组成；采用模块化设计方法，将整个系统分成了显示、通信和故障诊断三个模块，给出了各模块功能的实现方法，确定了各模块的关键技术参数：选用RC6-9和DI2／10作为系统的控制器和显示器，用CAN总线搭建了系统的通信平台，完成了系统的硬件设计；确定了系统监测参数和通信数据，对全液压推土机常见故障特征进行了分析，给出了34种常见故障的诊断方法；在BODAS软件和DPS软件的集成编程环境下，编写了控制器和显示器程序；设计并制作了工程机械控制系统模拟试验板，并在此基础上通过多次的程序调试与试验，对所设计的全液压推土机状态监测与故障诊断系统功能的可实现性、完备性、可靠性、稳定性和实时性进行了检验，证实了此系统的可行性，并提出了进一步的改进方案和措施。

The third impulse is received when bolt carrier/bolt group slams against the receiver in the rear position, and the fourth when this group is stopped in the forward position after a new cartridge is chambered.

第三冲动螺栓时，收到承运人/反对在后方的位置接收器螺栓组抨击，而第四个时，这一群体是在前沿阵地后，停止新墨盒腔。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。