查询词典 low-temperature

The quality of black soil was best, but 7.97 percent of phaeozem had been changed into middle grade or low grade land.43 percent of chernozem belonged to middle and low product field, thus the black soil degenerated seriously. Since slightly sand soil kept better land quality, the soil might be exploited through intensification of sand regulation and farmland protection.

结果表明：研究区土地质量总体东部优于西部，黑土地质量最好，但已有7.97%的黑土已成为中等或差等土地，黑钙土有43%属于中低产田，黑土地退化严重；轻度沙化土地仍保持较好的土地质量，加强沙化治理与耕地保护，仍可发挥其生产潜力。

The low molacular hydrogenated bisphenol A epoxy resin was prepared by the ring-closing reaction of the chlorohydrin ether and alkali and high molecular hydrogenated bisphenol A epoxy resin was synthesis by the addition polymeration of the low one and hygenated bisphenol A.

氢化双酚A和环氧氯丙烷在催化剂作用下开环反应生成了氯醇醚，而后加碱进行闭环反应，制备了低分子质量氢化双酚A型环氧树脂，再将其进一步与氢化双酚A等进行加聚反应，得到高分子质量环氧树脂。

This study aimed at the problem of low content of protein in plant tissue, low solubility of some components in amphoteric electrolytes and the disturbance of secondary metabolites such as chromatophore, phenols and quinones to the separation of two-dimensional electrophoresis.

针对植物组织蛋白质含量较低，有些组分在两性电解质中的溶解性低以及绿色组织中的色素、酚类、醌类等次生代谢产物干扰蛋白质双向电泳分离效果的问题，以玉米苗期叶片为材料，对蛋白质裂解液、蛋白质浓度测定体系、等电聚集电泳电压和时间、聚丙烯酰胺凝胶浓度等技术参数做了改进。

In some areas, the school authority gives less significance to the subject reformation including arts. There are a lot of problems existing not only in limited class frequency, teaching resources and latest information, but also in poor salary, low rank of teaching faculty, low scientific and research level of art and new course training have not received a good result. Under this circumstance, the development of basic art education has been badly affected, and at the same time, the quality of human's foil and harmonious development has been destroyed.

由于甘肃经济条件的制约以及长期以来形成的教育观念的问题，在基础美术教育阶段，有些地区学校领导对课程改革和美术学科其重要性认识不够，美术开课率不足、不齐、美术教学资源缺乏、美术教育信息闭塞、美术教师待遇、职称落后，美术科研水平偏低，美术新课程培训形式化，这使得美术教师的教学信念不强，工作热情减低，学生学习的积极性也不够，这些问题的存在严重影响了甘肃省基础美术教育可持续发展，影响了人的全面和谐发展的素质教育要求。

Three classes of equivalent system methods which are used in finding high order flight control systems low order equivalent are studied. The first class methods are the classical frequency domain-based equivalent system methods which recommended by MIL-F-8785C and MIL-STD-1797A. Five longitudinal low order equivalent systems and fourteen lateral ones are discussed in detail and some pieces of advice are given. Also conduct an investigation in the time domain-based equivalent system methods .

研究了求取高增稳飞机的低阶等效系统的几种方法：研究了经典的频域等效系统方法，针对纵向5种、横向14种构型的低阶等效系统进行了拟配实践，并提出一些有益的看法；以频域等效系统方法为基础，提出了时域等效系统新方法；以最小二乘辨识为基础，提出了两种纵向短周期低阶等效系统时域辨识方法(等效延迟时间τ_q参与或不参与)。

Basic Low （ A2）: This classis designed to help move you to your next level , Medium intensity low impact class .

这是一节中级强度且专为改变你并带领你向更高级别的低冲击有氧操过程的课程。

If LE is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLK.

如果LE是低，数据存储在一个闩锁/触发器对时钟低到高的转换失败。

Therefore, we can select low dose and low frequency (2 IU/2 times) and supplemented hCG with cloaca (eg. vagina suppository) for abate invasive therapy in the clinical apply.

因此，我们可以选择於泄殖腔给予低剂量、低频率(2IU/2次)并且额外补充hCG的治疗，可以用於临床上以降低侵入性的治疗。

Because of low mortgage rates, homeowners may also take advantage of no or low closing cost refinancing.

由于低抵押贷款利率，业主也可利用没有或关闭低融资成本。

For the residential market, select the overall quality of high brand, market and competitive advantages of real estate; affordable housing market in spite of low income, but low-risk, major support by the government, you can choose to intervene;商用房office market and the market , basic over-supply, and market volatility, and need to be treated with caution; land bank credit institutions, in strict accordance with the provisions of the ratio of the central bank issued, and we should focus on support for business space, from merit-based election, the closure operation, the whole track, strengthen monitoring, careful operation, agencies involved in land reserve land planning, acquisition, demolition, sorting, and development and the entire process of auction, the auction to ensure that the priority for return of funds to repay bank loans; second-hand housing market, relatively mature areas of concern; actively involved in national and regional development and construction projects, the focus of the market.

对于住宅市场，选择的整体素质较高的品牌，市场和竞争优势的房地产；负担得起的住房市场，尽管收入低，但低风险的，主要由政府支持，您可以选择进行干预；商用房办公室市场和市场的基本供应过剩，而市场的波动，需要谨慎对待；土地银行信贷机构，严格按照规定的比例，中央银行发行，我们应把重点放在支持商业空间，从任人唯贤的选举，关闭操作，整个轨道，加强监测，认真操作，机构参与的土地储备的土地规划，收购，拆卸，整理，开发和全过程的拍卖，拍卖，以确保优先为返回的资金，偿还银行贷款，二手房市场，比较成熟的关切领域；积极参与国家和区域发展和建设项目，市场关注的焦点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。