| 1. | Bitumen and bituminous binders - determination of penetration power of bitumen emulsions 沥青和沥青粘合剂.测定沥青乳液的渗透能力 |
| 2. | Standard test method for electrical indication of concrete ' s ability to resist chloride ion penetration 混凝土耐氯离子渗透能力的电指示的标准试验方法 |
| 3. | Contents and its characters of heavy metals with tobacco - growing soils in zhengan county of remote karst agricultural area 宁夏六盘山地区不同森林类型土壤的蓄水和渗透能力比较 |
| 4. | Future growth will come from creating world - beating products , at the same time as increasing the penetration of traditional international markets 未来的增长动力将来自创造独一无二的产品,同时增强对传统国际市场的渗透能力。 |
| 5. | Since the chloride is the main cause of reinforcement erosion , it is important for the research of the permeability mechanism of chloride on composite material by cement matrix and the improvement of the anti - chloride permeability 因此,有必要对氯离子对水泥基复合材料的渗透机理及提高抗氯离子渗透能力的措施开展研究。 |
| 6. | The study of the relationship between permeability and apparent resistivity is empirically significant for determining the permeability parameter and understanding the effect of permeability and groundwater on permeable formations 研究岩石的渗透能力与视电阻率的关系,对确定岩石的渗透系数,了解岩石渗透能力、地下水对渗透性岩层的作用,都有一定的实际意义。 |
| 7. | 106 - 113 ) , the uspto is directed to advise the president , through the secretary of commerce , and all federal agencies , on national and international intellectual property policy issues including intellectual property protection in other countries 罗根在小组委员会举行的听证会上就专利与商标局在国内外保护知识产权方面发挥的作用发表证词说,随着因特网渗透能力快速提高, |
| 8. | In modem distance education , teachers should have the ability to deal with various conflicts , that concludes making a point of the ability of learning , paying attention to the capacity of planning , the penetration ability advancing gradually in due order , ability of clear aiding learning 在现代远程教育教学中,教师应具备应对冲突的能力:注重层次的导学能力,兼顾个性的策划能力,循序渐进的渗透能力,重点明晰的助学能力。 |
| 9. | The one of most important factor of affecting durabilities in construction concrete is chloride deterioration . the chloride penetration current exceeds 2 , 000 coulomb in the no mineral admixtures silicate cement , using 30 % ~ 40 % fly ash it falls to 800 coulomb and the 60 % micro - slag falls to 500 coulomb ; though silica fume reduces penetration current , it deteriorates the workability of concrete 氯离子侵蚀是影响混凝土结构安全性最重要因素之一,不掺加任何矿物掺合料,氯离子渗透电量一般大于2000库仑;粉煤灰掺量在30 40 ,渗透电量达到800库仑;矿粉掺量在60左右,渗透电量达到500库仑,并具有较高的综合性能;硅灰可以改善混凝土氯离子渗透能力,但恶化了混凝土工作性。 |
| 10. | The experiment test results of mechanical properties and durability of hprrc show : no matter at early age or later age , the ration of flexural strength to the cubic compression strength of hprrc is higher than ordinary concrete , and the brittleness of hprrc is reduced ; the bond performance of new - old concrete interface and chloride permeability are good ; its resistance to freeze and thaw , permeability are all excellent ; its volume stability is improved , and its cracking resistance is good 配制出和易性优良(坍落度30mm ) 12 48h能满足开放交通的hprrc 。 5 、 hprrc力学性能、耐久性能试验结果表明:无论早期还是后期,其折压比均比普通砼的有所提高,脆性有所降低;新老砼粘结性能优良;并具有优异的抗冻性、抗渗性、耐磨性,抗氯离子渗透能力强;体积稳定性大为提高,抗裂性好。 |