查询词典 DL

Under four kinds of different temperature of 20 21,23 25,pollen fertility and rate of selfed seed setting of Dl 8 and D23 are increased a little,their fertility altered.

3水稻光温敏核不育系D18和D23经过幼穗分化不同时期的低温处理，花粉育性和自交结实率有一定的提高，育性得到了转换。

In order to obtain reasonable processing parameter of electroless nickel plating, the influences of the concentration of reductants NaH_2PO_2 and complex agents DL-lactic acid, stabilizers ,pH value and temperature on the deposition rate , the content of P and stability of the plating solution were studied.

在化学镀镍的工艺中，研究了次亚磷酸钠和络合剂乳酸的浓度、pH值、稳定剂和温度等工艺参数等对沉积速度和镀镍层含磷量的影响，找出了合理的化学镀镍工艺：还原剂的浓度为25 g/l~ 30g/l，络合剂乳酸的浓度为8ml/l ~ 12 ml/l，pH值的范围为4.6 ~ 4.9，选择作稳定剂，温度为85℃左右。

The intrinsic viscosity of soluble polyamides in NMP was observed to be 0.91～1.43 dL/g.

当A与B或C的物质的量比为10∶0～5∶5时，所得聚酰胺溶于强极性溶剂，在NMP中的特性粘度为0.91～1.43dL/g。

Normative references GB 150 steel pressure vessel GB 152.1 ~ 152.4 fastener hole and Shen Kong GB 196 commonDast Gate Valves thread of basic dimensions (diameter l ~ 600mm) GB 197 common thread of tolerance and fit (diameter of 1 ~ 355mm) GB 798 live bolt GB 897 stud bm = ld GB 898 stud bm = 1.25d GB 901 Dlass B and other long stud GB 5782 Hexagon head bolts B and B class GB 5796.1 ~ 5796.4 Dl 150, 300, 600 Lb Dast Steel Gate Valvestrapezoidal thread GB 6175 2 Hexagon nut B and B class GB 9112 types of steel pipe flanges GB 9113.1 ~ 9113.26 Integral steel pipe flanges GB 12220 Universal Valve Logo GB 12221 length of theDl 900, 1500 Lb Dast Steel Gate Valves valve structure of metal flange GB 12222 Multi-turn valve actuator attachment GB 12224 General requirements for steel valves GB l2228 General Valve carbon steel forgings GB 12229 Universal Valve carbon steel castings GB 12230 Universal Valve austenitic steel castings GB / T 12252 General requirements valve supplier ZB Jl6 006 test and test valve 原文来源:http://www.1zhafa.com

引用标准 GB 150 钢制压力容器 GB 152.1～152.4 紧固件通孔及沉孔 GB 196 普通螺纹基本尺寸(直径l～600mm) GB 197 普通螺纹公差与共同(直径1～355mm) GB 798 活节螺栓 GB 897 双头螺柱bm＝ld GB 898 双头螺柱bm＝1.25d GB 901 等长双头螺柱 B级 GB 5782 六角头螺栓 B和B级 GB 5796.1～5796.4 梯形螺纹 GB 6175 2型六角螺母 B和B级 GB 9112 钢制管法兰类型 GB 9113.1～9113.26 整体钢制管法兰 GB 12220 通用阀门标记 GB 12221 法兰连接金属阀门结构长度 GB 12222 多回转阀门驱动装配的连接 GB 12224 钢制阀门一般要求 GB l2228 通用阀门碳素钢锻件技术条件 GB 12229 通用阀门碳素钢铸件技术条件 GB 12230 通用阀门奥氏体钢铸件技术条件 GB/T 12252 通用阀门供货要求 ZB Jl6 006 阀门的试验与检验

CHAPEL HILL — People with low levels of LDL cholesterol are more likely to have Parkinson's disease than people with high LDL levels, according to researchers at the University of North Carolina School of Medicine at Chapel Hill.

的Chapel Hill -人与低水平的L DL胆固醇更可能有帕金森病的比人高低密度脂蛋白水平，根据研究人员在北卡罗莱纳大学医学院的在查珀尔希尔分校。

However,ectopic expression of this gene in other mature organs caused cell or plant death,indicating a strict regulatory role of SFL in the development of flower organs in rice.

作者发现SFL在花器官中异位表达后能激活雌蕊特征基因DL的表达，从而导致花器官的同源异型转换，而在其他成熟器官中异位表达则导致细胞死亡，显示SFL在水稻花器官发育中的特异性调控功能。

Pitching a man short or putting Wang on the DL are the only options since Wang would have to clear waivers in order to be sent to the minor leagues and there is no chance a pitcher who won 46 games in the past 2 seasons would get through.

少掉一个投手或把小王放进伤兵名单是仅能做的选择，因为小王若送到小联盟则必需要先经过让渡程序，一个在过去二年半赢得46 场比赛的投手一定会被捡走的。

If not, he could play against the Yankees; if so, he could end up on the disabled list.

如果不会，他就能上阵对战洋基，如果会，他大概就得送进DL。

Catcher Jorge Posada was scratched just before the game with more shoulder problems and is headed to the disabled list.

捕手波沙达在比赛前为更多的肩膀问题所扰并将登上DL名单。

While the quality of DL education seems to have advanced at those schools that at institutions that offer classes with "hands -on" requirements, the educational approach at many of the "hands -off" universities seems somewhat technophobic and overly dependent on outdated pedagogical methods.

作为一门新学科内容，训练学生掌握数字图书馆相关新技能，使其更容易担负未来数字图书馆的工作已成为信息学、信息与计算机技术、信息管理学课程中的一大热点。有的名牌大学已将数字图书馆作为一门专业主攻方向并授予证书学位。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。