| 1. | The influences which caused by the kinds of the catalyzer , phenol and formaldehyde proportion , boracic acid addition and etc were discussed
探讨催化剂种类、酚醛比、硼酸加入量等对其性能的影响。
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| 2. | Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way
摘要通过在一定条件下，先将苯酚、甲醛制成羟甲基酚，然后改变条件与硼酸共聚，制得具有合成稳定和较好耐热性的硼改性酚醛共聚树脂。
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| 3. | Qinghai ridge boron & lithium co . , ltd , certificited in 2000 , is a aggregate resource corporation of mining boron mine , producing boracic acid , boride re - processing and selling industrial used salt
青海中天硼锂矿业有限公司成立于2000年，是集硼矿开采、硼酸生产、硼化物深加工、工业用盐生产销售的资源性企业。
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| 4. | The results showed that the addition of boracic acid can increase the oxidation resistance and tensile strength of the flexible graphite , however , it has few effect on the other properties of the flexible graphite
实验表明，添加剂硼酸使柔性石墨材料在抗氧化性方面具有明显的优越性，抗拉强度有所增加，而对其它性能的影响不大。
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| 5. | In order to prepare low dielectric constant glass powder , we use sio2 , boracic acid etc as raw material to prepare glass powder . the result of testing is : its dielectric constant is about 4 . 0 , and it is suit for our experiment
作为低介常数的玻璃粉料，采用sio2 、硼酸等为原料，通过熔融、研磨制得了玻璃粉料，其介电常数约为4 . 0 ，介质损耗为10 10 4 。
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| 6. | The boracic acid was used to prepare flexible graphite and the effect of amount of boracic acid addition on expanded volume , oxidation resistance , specific resistance and tensile strength of the fexible graphite obtained were analysed
摘要初步探讨了制造柔性石墨材料过程中加入添加剂硼酸的方法，并就硼酸的加入量对其膨胀倍数、抗氧化性、电阻率、抗拉强度等的影响进行了比较和分析。
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