20min

Tumor growth inhibition laser hyperthermia at 45 ℃ / 20min was more effective than that under other heating conditions .

45℃/20min的抑癌效果优于其他各加温条件组。

However , the half-life of 11C ( 20min ) limits its use in tumor detection .

但11C的半衰期太短（20min），限制了它的使用。

Sample 2 # has higher viscosity and slow setting rate ( 180 ℃× 20min ), so it is used for manual operation .

样品2黏度高，固化速度较慢（180℃×20min），用于手工涂胶。

The color fixative uses 1 % citric acid and 0.2 % VC , the time is 15 ~ 20min ;

护色剂采用1%的柠檬酸和0.2%的VC混合液，时间为15～20min；

The casting ingot had best refining effect when the temperature of aluminum liquid is 780 ℃, whisking 15 ~ 20min after reaction .

当铝液温度在780℃时，反应后搅拌15～20min，浇铸的铸锭的细化效果最佳。

When the time prolonged for 10 ~ 20min , the blastocysts rates declined to 47.62 % ~ 0 % .

平衡时间延长到10～20min，囊胚发育率下降到47.62%～0%。

The bath is highly stable with deposition rate of 2.5-3 μ m / 20min and its deposit has a good ductility with a good smooth appearance .

该镀液稳定性高，沉速在2.5-3μm/20min。

The results showed that the degradation of styrene by DBD could be stable within 15 ~ 20min , and the main products were CO2 , CO and H2O .

结果表明，DBD降解苯乙烯15~20min即可达稳定，产物主要为CO、CO2和H2O；

Parecoxib was intraperitoneally injected ( 6mg / kg ) 20min before or after incision .

帕瑞考昔（6mg/kg），在切割前或切割后20min腹腔注射。

The passive movement group with the loss of nerve control : to bend and extend the post legs after the loss of nerve control , twice a day and 20min / time ;

失神经被动运动组：失神经后做双后肢屈伸活动，2次／天，20分钟／次。

In general , it was proper that mouse fetus ' tissue was dealed for 15 ~ 20min in the condition of 0.2 % trypsin and 0.04 % EDTA .

在室温条件下，以0.2%胰酶加0.04%EDTA为消化液处理原代胎鼠组织块时间以15～20min为宜。

Presently the cathodic electro-coatings of thick film , highly weather-proof , low curing ( 120 to 140 ℃ / 20min ) and edged corrosion resistance have been developed .

目前已开发出高膜厚、高耐候性、低温固化（120～140℃、20min）及边棱防腐型阴极电泳涂料。

Cold shocked fertilized eggs at four temperature 6 . 0 , 8.0 , 10.0 and 12.0 ℃, the highest frequency of triploid was 40 . 7 % ( 10.0 ℃, 20min ) .

低温休克选用6.0、8.0、10.0和12.0℃处理受精卵，最高三倍作诱导率为40.7%（10.0℃，处理20min）。

Compressive strength of the resulted samples was 36.23 MPa after ageing in nearly physiological conditions ( 100 % relative humidity , 37 ± 1 ℃). The hardening time of the cement system was about 5 ~ 20min .

在接近生理条件（相对湿度100%，温度37±1℃）下养护，试样的抗压强度可达36.2MPa，该系统胶凝材料的硬化时间为5～20分钟。

The results show that , after the heat treatment of 1310 / 20min + 1250 / 2h / AC , the β phase can be efficiently eliminated and the uniform fine duplex microstructures can be gained .

结果表明，经1310℃/20min+1250℃/2h/AC热处理后，β相被有效地消除，得到细小均匀的双态组织。

Time of prepolymerization is 1 hour with PlMG and PBA as soft segment and 3 hours with PPG as soft segment ; Time of chain-extending is I 5 & 20min ;

PTMG及PBA为软段的预聚时间为1h，PPG为软段的预聚时间为3h，扩链时间均为15～20min；

The stability of the electroless Cu plating solution is higher and the deposition rate is 2.5 μ m / 20min ~ 3 μ m / 20min . The copper film is smooth and has good ductility and appearance .

该镀液稳定性高，沉铜速率2.5μm/20min～3μm/20min。

The phase-transformation point is estimated to be 750 ℃ around by Ti-Mo binary phase diagram , on which the solid solution treatment tests were carried and the optimum process was determined as 820 ℃ / 20min + WQ .

根据各元素对合金相变点的影响，利用Ti-Mo二元相图估计其相变点为750℃，据此进行固溶试验并确定最佳工艺为820℃/20min+WQ，以后所进行的时效样品均采用此固溶制度。

The results showed that the alloying elements in 7055 alloy can be dissolved fully when the time of solution treatment at 470 ℃ exceeds 20min ; continuing to extend time of solution treatment can not improve the strength but can increase the elongation of the alloy slightly .

结果表明，7055合金挤压带板在470℃保温超过20min，其固溶处理基本充分，继续延长固溶处理保温时间，不能提高合金的强度，但合金延伸率略有升高。

The functional and metabolic changes in isolated working rat heart following myocardial ischemia ( 15cm H_2O , 20min ) and reperfusion ( 70cm H_2O , 30min ), and the effect of A. Halys on the above changes were observed in the Langendorff Heart Model .

本实验采用Langendorff离体心脏灌流模型，观察了大鼠心肌缺血（15cmH2O，20min）再灌注（70cmH2O，30min）后心肌的机能、代谢改变及蝮蛇抗栓酶对其影响。