2l

Synthesis technique for output current signals in Quaternary I ￣ 2l circuits

四值I~2L电路的输出电流信号综合技术

A Simplified Design of a Mixed Level I ~ 2L Three Valued Logic Circuit

混合级I~2L三值逻辑电路的简化设计

A New Family of Low-Power CT ~ 2L Circuits

一种新的低功耗CT~2L电路

In the whole growth period , the treatment of 2L / h transpiration rate than the others .

在整个生育期，2L/h处理比其他处理的蒸腾速率大。

Study of A New-Type I ~ 2L Circuit

新型I~2L电路的试验研究

Rule 2l The claims shall have an independent claim , and may also contain dependent claims .

第二十一条权利要求书应当有独立权利要求，也可以有从属权利要求。

An Investigation into I ~ 2L Ternary Logic Circuits

I~2L三值逻辑电路的研究

Prospect to Study on the Technology of Desertification Combating of China in 2l ~ ( st ) Century

2l世纪中国荒漠化预防及治理技术研究展望

Perennial branch the second , 2l . 46 % ;

多年生枝次之，占21.46%；

The problem of constitutive model of structured soils is the focus problem of soil mechanics in the 2l century .

土体结构性数学模型&21世纪土力学的核心问题，本文以此为对象进行研究。

The research of cultivating the recombinant yeast in 2L fermenter

2L搅拌发酵罐培养重组酵母的研究

July 2l , 2007 was a real red-letter day for countless people in the world .

2007年7月21日对全世界许多人来说都是一个非常重要的日子。

A Model for the Technique Parameter Calculation of Up-diffused I ~ 2L NPN Transistor Base

上扩散I~2L电路中纵向npn管基区工艺参数的近似计算模型

Modern logistics is a new increasing point of world economy in the 2l ~ century . It is called the third source of profit ?

现代物流是21世纪世界经济的一个新增长点，被称为第三利润源泉。

High-Speed I ~ 2L With Oxide Isolation

用氧化隔离的高速I~2L

The recombinant yeast , which expresses α amylase enzyme in the 2L fermentor was studied .

在2L搅拌发酵罐中对一株表达α-淀粉酶的重组酵母进行了发酵工程研究。

In 10 tests , when O2 was kept at 2l % of concentration , proper increase of CO2 resulted in better efficiency .

在设定的10个试验区中，当O2浓度保持在21%的前提下，适当提高CO2的浓度可提高贮藏效果。

In topping and mature stage , the most dry matter accumulation in the treatment of 2L / h.3 .

在平顶期和成熟期，2L/h处理的干物质累积量最多。

The end of each aerobic treatment cycles , it could produce about 2L without precipitation . Study found that without regulation of sludge precipitated the best .

每个好氧处理周期结束时，能产生约2L的未经沉淀的剩余污泥，研究发现未经沉淀的剩余污泥的调节效果最好。

By using 2L auto-fermentator under the suitable culture conditions , the change curve of kinetics was obtained , which provided practical results for the level of industrial production .

经2L发酵罐实验，得出了其动力学变化曲线，为工厂化生产金针菇菌丝体提供了有价值的结果。

The experiment groups were feed basal diet supplemented with 3L , 2L , 1L Cecropin-AD / kg diet respectively .

第2-4组为试验组，分别在每吨基础日粮中添加3L、2L、1L的抗菌肽制剂，进行为期49天的饲养试验，记录生产性能等指标。

The effect of adding oxygen-vector or emulsified oxygen-vector to the medium were investigated by flask and 2L bioreactor respectively .

在摇瓶和2L发酵罐中分别进行了添加氧载体和乳化氧载体对抗生素AGPM生产的影响。

The effects of temperature , dissolved oxygen and pH on the production of a - amylase in the inducing stage were studied in the 2L fermenter .

接着在2L发酵罐中分别考察在诱导阶段温度、溶氧和pH变化对重组酵母S.cerevisiae20B-12（pNA3）产α-淀粉酶的影响。

Study on Spatio-Temporal Analysis of the Near Shore Waters Based on GIS ; most plentiful skate in North American inshore waters in summer ; to 2l inches .

基于GIS的近岸海域水环境时空分析夏季北美近海岸水域中最多的鳐鱼；体长21英寸。

Stretch of water near the shore where ships may be anchored most plentiful skate in North American inshore waters in summer ; to 2l inches .

（供船只停泊的）近岸水域，近岸锚地夏季北美近海岸水域中最多的鳐鱼；体长21英寸。

Objective Determination of Wilson disease gene mRNA expression in human fibroblast cell strain ( Me32aT22 / 2L ) by reverse transcription polymerase chain reaction ( RT PCR ) .

目的利用逆转录聚合酶链反应（RTPCR）法在核酸水平检测并证实肝豆状核变性（Wilson病，WD）基因可以在Me32aT22细胞株中得到有效表达，为以后更深入的研究奠定基础。

I ~ 2l and TTL type double-edge-triggered D-flip-flops

I~2L和TTL型双边沿D触发器

The subjective symptoms improved in 65.0 % ( 26 / 40 ) and the microscopic findings of prostatic secretion became better in 52.5 % ( 2l / 40 ) .

主观症状好转26例（65.0%）。前列腺液镜检改善者21例（52.5%）。

In order to train the new teachers for the need of the environmental education in 2l century , exploring the environmental education of geography course is the main task of geography educational workers in Teachers college .

从培养21世纪中学环境教育所需的新型师资人才的要求出发，探讨师范地理学科的环境教育问题，是师范地理教育工作者所面临的重要任务。

From January 2l to April 16 , 1997 , seven earthquakes of M ≥ 6 occurred in succession in Jiashi , Xinjiang , causing damage and casualties .

1997年1月21日～4月16日，新疆伽师相继发生了7次M≥6的地震，造成了破坏与伤亡。