R-2

Failure Analysis of The R-2 Reaction Vessel Jacket

R-2反应器夹套失效分析

Experimental Research of Using R-2 Collector to Separate Panzhihua Microsized Ilmenite

R-2捕收剂选别攀枝花微细粒级钛铁矿试验研究

Four Colourings of Maximum Outer Planar Graphs with Maximum Degree Δ ≥ r-2

Δ≥r-2的极大外平面图的4染色

The structure design and construction design of 28L-26 R-2 low profile and deep tread agricultural tire were introduced .

介绍28L-26R2低断面深花纹农业轮胎的结构设计和施工设计。

Further work on ballistic missiles led to the R-2 in1950 .

1950年，进一步的弹道导弹研究促成了R-2的诞生。

Pure honeybee spiroplasma was obtained by isolation and purification form the honeybees in R-2 medium .

经从病蜂身上分离，使用R&2培养基纯化培养，获得蜜蜂螺原体（以下简称螺原体）。

Structrue design of 28L-26 R-2 agricultural tire

28L-26R-2农业轮胎的结构设计

Preliminary Studies on the 43-kD Protein in Phycobilisomes of Cyanobacterium Anacystis nidulans R-2

蓝细菌AnacystisnidulansR-2藻胆体中43kD蛋白细胞定位的初步研究

Based on the R-2 missile , the R-2A geophysical rocket was created which performed atmospheric probing up to an altitude of210 km .

在R-2导弹的基础上，可以探测210千米高度大气层的R-2A地球物理火箭被研制出来。

The adhesion test indicate that , adhesion of R-1 and R-2 are very good , but R-4 , due to chain extender including phenylene diamine , its adhesion is too low to meet the construction demand .

测试了附着力，R-4系由于有间苯二胺参与扩链附着力过低不符合工程施工需求；而R-1和R-2则附着力很好。

The radial decay of the amplitude of pressure fluctuation has been measured both in pseudo-sound field and acoustic field with the result that the exponential law is applicable in pseudo-sound field , and the r-2 law in acoustic field .

实验测量了赝声场和声场中压力脉动幅值的径向衰变规律：它在赝声场中符合指数衰变规律，而在声场中为r~（-2）规律。

The titaniferous concentrate with TiO2 grade of above 47 percent is got by means of R-2 or R-3 trapping agent developed by the Design and Research Institute of Pan Steel Mine Company , and open circuit recovery rate reaches about 65 percent .

采用攀钢矿业公司设计研究院研制的R-2或R-3捕收剂，得到了TiO2品位47%以上的钛精矿，浮选开路收率约65%。