查询词典 high rate

The invasion of drilling fluid is the main cause to the damage of fractured formation. The composite salt free-gel drilling fluid is got after analyzing the influence of different kinds of such soluble adulterant as organic salt and non organic salt on the performance of the solid-free drilling fluid and studying the condition to develop the free gel structure and the method to improve the fluid's high temperature stability and inhibitive property. The experiment shows that the apparent viscosity of this system is as high as 27000 mPas when the share rate is 0.3 r/min and the high temperature reaches at the stable level of 150℃ and the HTHP filtrate loss decreases to 15 ml at 150℃.

钻井液侵入是裂缝性储层损害的主要因素之一，实验分析了无机盐、有机盐等不同类型水溶性加重剂对无固相钻井液性能的影响，研究了无固相钻井液快速弱凝胶特性形成条件以及高温稳定性和抑制能力的提高方法，研制出的无固相复合盐弱凝胶功能性钻井液高温稳定性达到150℃，具有独特的流变性（0.3r/min黏度达到27000 mPas）和优良的抑制能力（150℃HTHP滤失量小于15 mL），成本远低于甲酸盐钻井完井液。

The process has mild reaction condition, high bromine utilizing rate, high selectivity and high yield.

本方法反应条件温和，溴的利用率高，选择性好，无副产物，收率高。

According to the demand of high magnetic field power supply, reference is increased with a set ramp rate and stops at a set stable value, so reference system is composed of digital setting and digit to analog converting circuit. But the stability of reference is mostly guaranteed by the performance of D/A circuit, so D/A circuit is particularly studied in reference system. The scheme of D/A circuit, the selection of DAC and its voltage reference, hardware anti-jamming design and PCB design are discussed in detail, and software of remote control and PLC are discussed in brief. Zero-flux DC current transformer well satisfies the demands of the high stability of Load current detection unit, so the principle of zero-flux DC current transformer is analyzed; in the mean time a project which detects the long term stability is designed. During 8 hours, analog signal which is detected with high precision digit multimeter is recorded in computer at 1HZ frequency by GPIB communication. The drift error source and related parameters are explained in the compare-amplify part. Detailed subtraction circuit is designed; also amplifier chip and periphery components are selected and verified according to the theory of error analysis.

根据强磁场电源的需求，参考源应按照软件设定的斜率逐渐上升到设定稳态值，则参考源系统应由数字给定和数模转换电路两大部分组成，而参考源的稳定度主要依靠完成数模转换功能的模拟电路的性能来保证，因此本文对参考源系统的研究以数模转换电路为重点，分别从电路方案的确定、数模转换芯片及其基准电压源的选取和验证、电路板硬件抗干扰和PCB设计几方面进行了论述，然后对数字给定部分的远控组态和PLC程序设计作了简要介绍；采用零磁通原理的直流电流转换器很好地满足了对负载电流检测单元高稳定度的需求，本文详细分析了零磁通检测的原理，并在选定此种类型电流转换器的基础上设计了一套检测长期稳定度的方案，8小时内以1秒为采样周期，通过计算机Labview程序和高精度数字电压表的GPIB通讯，将被高精度数字电压表数字化后的模拟信号采样值连续记录至计算机中；比较放大环节简要阐述了漂移产生的原因和相关参数指标，确定了具体的减法电路形式，并根据误差分析理论对运算放大器和外围元器件进行了选取和验证。

These materials have excellent chemical and thermal stability, high melting point, high thermal conductivity, high breakdown voltage and large carrier mobility rate especially the smaller electron affinity and potential or even a negative electron affinity, and the situation has greatly reduced the market launch of the threshold voltage, therefore, Field emission of such material will have a very vast potential for development and application prospects.

这些材料具有良好的化学与热稳定性、高熔点、高热导率、高击穿电压及大的载流子迁移率，特别是较小的电子亲和势甚至是负的电子亲和势，大大降低了场发射的阈值电压，因此，这类场发射材料将有着极为广阔的发展潜力及应用前景。

The results showed that the mutant contained high trehalose content and high cell survival rate kept even after 4 h 18 %vol alcohol treatment (no respiration deficiency existed), which indicated that high trehalose content could protect cells membrane and prevent DNA loss of mitochondria and exosmosis of intracellular materials.

结果表明，中性海藻糖酶缺失突变株细胞海藻糖含量较高，用18 %vol的酒精处理4 h后仍可保持高的细胞存活率，并且无呼吸缺陷型的出现，说明高海藻糖含量可以保护细胞膜，防止线粒体DNA丢失和胞内物质的外渗，与酵母的酒精耐性之间存在一定的关系。

Vacuum valve types: solenoid valve, butterfly valve, valve, flashboard valve, damper valve, fine-tuning valve, ball valve vacuum, vacuum regulating valve and so on, were used to drive manual, electric, pneumatic, electro-magnetic action, etc., caliber from 0.8-1200, leakage rate from 6.7 10-2-1.3 10-7PaL / S, the application of temperature -30 ~+400 , apply pressure range 1 105-1 10-7Pa (low, high, ultra-high vacuum system), is widely used in aerospace, electronics, energy, environmental protection, food, machinery, refrigeration, medicine, scientific research and other fields, the vacuum in the domestic industries enjoy a high reputation.

真空阀门类：电磁阀、蝶阀、隔膜阀、插板阀、挡板阀、微调阀、真空球阀、真空调节阀等，驱动装置分别采用手动、电动、气动、电磁动等方式，口径从0.8-1200、漏率从6.7×10-2—1.3×10-7PaL/S，适用温度-30℃～+400℃，适用压力范围1×105—1×10-7Pa，广泛应用于航天、电子、能源、环保、食品、机械、制冷、医药、科研等各领域，在国内真空行业享有较高的声誉。

Using high flat coil substrate as base material,out company has installed an international advanced PS plate line,adopting the advanced technique continuously electrolytic graining,anodizing,extruded coating of sensitive film and we can produce standardized,folio,quarto and octavo PS plates of many specifications,with the characteristics of even coating,proper graining,high resolution,stable property,rapid developing speed and high pressrun rate.

公司装备具有国际先进水平的PS版生产线，以自产高平直度优质卷筒式铝版基为原料，采用连续电解砂目、阳极氧化、挤压涂布感光层和自动尺裁切等先进工艺。可生产全开、对开、四开、八开等多种规格的PS版。

All the investigations in this paper are on high power high repetition rate high beam quality TEA CO2 lasers.

本文中的全部研究工作，都是围绕着高功率高重复率高光束质量TEA CO_2激光而展开的。

Green conservation for manual pruning inefficient, labor-intensive, and the motor type Brush Cutter, Hedge machine, turf machine prices high, the high cost of oil, gasoline oil ratio of hard to grasp the high failure rate (especially in summer heat easily pull-cylinder), and high maintenance costs, factory development and production of environmentally friendly energy-saving multi-function portable electric garden pruning machine (ie: portable electric tea light trimming machines), portable electric garden pruning machine (ie: portable electric tea in the pruning Taiwan Karikomi machines), portable electric lawn cutting machine patented product, has passed the provincial Science and Technology Commission of the technical appraisal and quality supervision departments of the country testing, alternative energy Brush Cutter, Hedge machine, improve operating efficiency and reduce the conservation costs, greatly reduced Noise!

针对绿化养护修剪人工作业效率低、劳动强度大，而机动型割灌机、绿篱机、草坪机售价高、油价成本高、汽油机油配比难掌握、故障率高、维修费用高昂等问题，本厂研制生产环保节能型出便携式多功能电动园林修剪机(即：便携式电动茶树轻修剪机)、便携式电动园林修枝机（即：便携式电动茶树中修剪台刈机）、便携式电动草坪修剪机专利产品，已通过省科委的技术鉴定和国家质量监督部门的检测，可替代高能耗割灌机、绿篱机，提高作业效率、降低养护成本，大大降低作业噪声！

Longyan City of intensive breeding of fine strains unity, unity over the winter Tian Rong soil, soil testing uniform formula to balance fertilization technology, unified tectorial to be planted, planting density of unity, reunification of the high-Jiemo earth to fight to stay top of leaves, early reunification of the lower part of the leaf mining Admission, the reunification of the upper leaves with stroke recovery, unity,"three-step" baking technology, the production of flue-cured tobacco has shown "a high level of scientific research and development, the outcome of a high conversion rate, high economic efficiency, operation and management of the new mechanism".

龙岩市统一优良品种集约化育苗、统一冬翻溶田改良土壤、统一测土平衡配方施肥技术、统一盖膜待栽、统一种植密度、统一揭膜高培土打顶留叶、统一下部烟叶提早采收、统一上部烟叶带杆采收、统一&三段式&烘烤技术，烤烟生产呈现出&科研开发水平高、成果转化率高、经济效益高、经营管理机制新&的局面。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新