The FCC catalyst which took HAY zeolite as active component got a good result in the heavy oil cracking test.
由该分子筛制备的FCC催化剂用于重油裂解试验，取得良好结果。
In this paper, the principle and application of the Japanese MR-100W type welding restraint cracking test machine was introduced.
文中介绍了从日本引进的MR- 100 W型焊接拘束裂纹试验机的原理及使用性能和应用实例。
On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.
在深入分析冷裂纹插销试验机的原理和结构的基础上，本文进行了插销式再热裂纹试验装置的研究工作。
The cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.
采用七种高纤维素型立向下电焊条，通过斜y坡口裂纹实验，对高强管线钢的冷裂敏感性进行实验研究。
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
The effect of carbon, molybdenum and rare earths on hot cracking susceptibility of austenitic stainless steel welds was studied with continuously variable deformation rate cracking test (VDR) method.
应用变形速率连续可变式热裂纹试验方法(VDR法)研究了碳、钼和稀土元素对奥氏体不锈钢焊缝热裂敏感性的影响。
If one password test takes twice as long, the total password cracking time takes twice as long.
如果一次密码校验需要两倍时间，那整个密码破解时间也要两倍。
The factors of cold cracking of large porcelain sheel, cracking in temperature circulating test and cracking before warehousing are discussed.
主要讨论了大瓷套冷炸、温度循环试验中炸裂及瓷套经磨削入库后开裂的原因。
The medicine prize went to a physician who, for fifty years, cracked the knuckles on only his left hand to test his mother's contention that knuckle-cracking causes arthritis.
医学奖授给了一位内科医生，他50年来每天不断扳左手手指，以验证自己母亲说扳手指会引发关节炎的话是否正确，他的结论是：妈妈，你错了。
Test showed that the cracking load, the strength and the deformation capacity of the corbel thus strengthened were all increased in some degree.
试验征明，牛腿采用上述方法加固后，其抗裂度、强度和变形能力均有不同程度的提高。
Through the test and comparison of ethylene cracking of hydrogenated delayed coking gasoline and regular grade straight-run gasoline, it is showed that the former can be used as ethylene stock.
通过对延迟焦化汽油加氢后与普通直馏汽油的乙烯裂解试验和比较，延迟焦化汽油加氢后可以作乙烯原料。
In this paper, we raise really available measures through the investigation, analysis, test and research about the stress corrosion cracking of pressure vessel for ammonia refrigerating equipments.
通过对氨制冷压力容器应力腐蚀开裂进行调查、分析、试验和研究，提出切实可行的对策措施。
Using 945 steel and 921a steel, this article studies the effect of weld profile and size on the cracking behavior of a central notch in a three-notch specimen for an explosion bulge test.
选用水面舰艇用945钢和潜艇用921a钢，研究了不同焊缝外形尺寸对爆炸试验中三缺口试样的中央缺口开裂行为的影响。
By flexural test and split test, the effect of part or total replacement of mineral powder with cement on and-cracking performance of asphalt mixture is researched.
通过弯曲试验和劈裂试验，分析了水泥替代部分或全部矿粉对沥青混合料抗裂性能的影响。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
The consistence of the criterion with the test results indicates the criterion is suitable for analyzing mixed mode cracking not only of rock and soil but of metal as well.
研究结果表明，该准则与一些试验结果吻合很好，它不仅可以广泛地用于分析岩土类材料的复合型断裂问题，而且也可以用于金属材料的断裂分析。
The stress corrosion cracking(SCC) of carbon steels in aqueous alkali was studied by electrochemical technique, stress corrosion test under constant load and repassivation test.
本工作通过电化学，恒载荷应力腐蚀和再钝化试验，对碳钢在碱溶液中的应力腐蚀破裂进行了研究。
The application of the criterion of initial cracking or that of fracture has different effects on the findings in the implant test for cold cracking.
插销法冷裂缝试验中，应用“开裂”准则还是“断裂”准则，所得到的试验结果是有差异的。
The weldability of TCS corrosion resistant stainless steel for railway wagon was investigated by cold cracking sensitivity test, HAZ maximum hardness test and varestraint test.
通过冷裂敏感性试验、焊接热影响区最高硬度试验及可调拘束试验，对新型铁路车辆用TCS耐蚀钢的焊接性进行了深入系统分析。
After visual inspection and metallographic test, analysis and discuss the welding zone cracking reasons for 6061 and A7003 aluminum alloy thin-walled tube after TIG (argon shielded arc) welding.
通过宏观及微观检测，分析了6061铝合金管及A7003铝合金薄壁管经TIG(氩弧)焊后的焊接区开裂的原因。
The cracking encapsulated roller in use was analyzed by means of chemical composition, macrostructure and microstructure examination and mechanical property test.
采用化学成分分析、宏观和微观组织检验以及力学性能测定等方法对在使用过程中发生开裂的包胶辊进行了分析。
Based on the test results the paper presents formulas for determining cracking torque, ultimate torque and the maximum admissible torque under service loads.
根据试验结果，本文提出了抗裂度、极限扭矩以及在使用荷载作用下最大允许扭矩的计算公式。
A simplified cracking strength formula for steel fiber reinforced concrete joint has been presented, and the calculation results are in good agreement with the test results.
本文还给出了钢纤维混凝土节点开裂强度的简化计算公式，计算结果与试验结果吻合良好。
The test results indicate the structure completely work at elastic state under the normal applying load and have enough cracking and strength safety factor.
试验结果表明：结构在正常使用荷载作用下完全处于弹性工作状态，具有足够的开裂安全系数和强度安全系数。
With laboratory test and theory analysis, anti-cracking property of cement-stabilized base is systematically studied in this paper.
本文通过理论分析和大量的室内试验，对水泥稳定类砂砾材料抗裂性能进行了系统研究。
Based on the test results and theoretical analysis, formulas to predict the initiation of cracking, yielding and the maximum shear capacity and deformation are suggested.
根据试验结果和理论分析，提出了连接键开裂、屈服和受剪承载力特征点的有关计算公式。
This test shows that it is a simple and non-destructive method to determine surface brittle cracking sensitivity by Vicker′s hardness method.
说明了维氏硬度压痕法是一种测定表面开裂敏感性简便易行的方法。
This test shows that it is a simple and non-destructive method to determine surface brittle cracking sensitivity by Vicker′s hardness method.
说明了维氏硬度压痕法是一种测定表面开裂敏感性简便易行的方法。
应用推荐