As the typically brittle materials, optical glass has been used in many hi-tech fields widely, such as aerospace 、 microelectronics 、 optical industry and so on. But high hardness and low fracture toughness lead to its poor machinability.

Brittle bones; glass is brittle;` brickle 'and` brickly' are dialectal.

脆弱的骨头；玻璃是易碎的；‘brickle’和‘brickly’是方言。

Sometimes, the life of human being is as brittle as thin glass.

有的时候人的生命如玻璃一样容易破碎。

The increase of the strength and toughness of SiC_p/ MoSi_2 composites is mainly attributed to the refinement of MoSi_2 grains, dispersion strengthening of the SiC particles and elimination of the brittle SiO_2 glass phase.

SiC p/MoSi2复合材料强韧性的提高主要是由于晶粒细化、SiC颗粒弥散强化以及脆性SiO2玻璃相的减少和消除。

Man was "a brittle crazy glass":

人是一块“易脆的疯狂的玻璃”：

Since there was no other way to account for it, he came to the conclusion that glass was an extremely slow moving liquid that settled over the years, resulting in thin, brittle glass at the top that gradually thickened towards the bottom edge of the windowpane.

由于找不到其他原因对此现象加以阐释，他由此得出结论，认为玻璃是流动极其缓慢的液体，随着时间的推移逐渐趋于稳定，于是造就了后来我们所见的玻璃窗形态：上部稀薄易碎，而底部边缘则越发增厚。

A simulation experiment using the fracturing of two-dimensional brittle glass plates is designed to study the propagation process of fracture in a brittle medium.

设计了一个二维脆性玻璃板的破裂模拟实验，以研究脆性介质的破裂传播过程。

A Study on the Notch Brittleness of Stress Rupture in Fe-Mn-Al-Cr Austenitic Heat-Resisting Steels

Fe-Mn-Al-Cr系奥氏体热强钢持久缺口脆性的研究

Modified epoxy acrylic UV resin with polyacid partially replacing acrylic acid, overcoming the brittleness of original resin in some degree and gives resin with fast curing speed, high gloss, high adhesion.

采用部分多元酸代替丙烯酸对环氧丙烯酸UV树脂进行改性，在一定程度上改善了原树脂的脆性，改性后的树脂具有固化速度快、光泽高、黏度高的特点。

Hair root fragile X mental retardation protein assay for the diagnosis of fragile X syndrome" Rubber, vulcanized& Determination of low-temperature brittleness ( single test piece method)"

发根脆性X智力低下蛋白检测法诊断脆性X综合征GB/T1682-1994硫化橡胶低温脆性的测定单试样法

" Rubber, vulcanized& Determination of low-temperature brittleness ( single test piece method)"

GB/T1682-1994硫化橡胶低温脆性的测定单试样法

A series of analysis were made on the cracked area, including macro-and micro-analysis, chemical, hardness, microstructure test and hydrogen brittleness removing test.

对该失效件进行了断口宏观分析以及扫描电镜微观分析、化学成分分析、硬度检测、金相组织观察、并进行了氢脆试验验证。

A chromosome brittleness test was also carried out on 6 exfoliative patients.

对6例剥脱性皮炎进行染色体脆性分析。

The hot brittleness mechanism and structure of surface oxide coating of low-alloy steels containing 0. 3%-0. 7% of copper have been investigated by means of hot/ cold bending tests, optical microscopy, SEM and EPMA.

用冷、热弯试验及光学显微镜、扫描电子显微镜和X射线微区分析仪分析研究了含0.3%～0.7%Cu的低合金钢表面氧化层结构及热脆机理。

The curve of loading and deformation veried that bamboo and wood composite plywood mainly showed low-temperature brittleness and hot brittleness when treated in cold water, frozen condition, and drying.

负荷挠度曲线表明，竹木复合胶合板在冰冻、冷水、干热下表现为脆性破坏为主，热水处理时的性能变化表现出粘弹性为主的特征，竹木复合材料的静态力学性能表现与其粘弹性变化机理相关。

Not only it generate hot brittleness, also it can cause much negative impact on hot-working character, mechanical property, welding performance, resistant character, processability and cold-heading.

硫不仅能引起钢的热脆，而且对钢的热加工性能、力学性能、焊接性能、耐腐蚀性能、成型性以及冷镦性能都有很大的负面作用，所以脱硫一直是冶金工作者研究的重点之一。

Surface Oxidation and Hot Brittleness of Cu-Containing Low-alloy Steels

含Cu低合金钢表面氧化及热脆

Effect of Lanthanum on Hot Brittleness of the Al& 4% Cu Alloy

稀土La对Al-4%Cu合金热脆性的影响

Phase Chart Analysis of "Red Brittleness" Phenomenon in the Industrial Pure Iron Forging Because of over-heated, hardness of part blade on the cutter is inadequate.

工业纯铁锻造过程中红脆现象的相图分析原有刀片刃口局部材料的硬度不够，材质脆性过大，有过热现象。

The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.

钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。

By the research on forging and cold forming performance of electromagnetism pure iron, the rational forging process is brought forth, it is specially emphasized to avoid the red brittleness and blue brittleness forging temperature range for the electromagnetism pure iron.

通过对电磁纯铁锻造与冷成形性能的分析研究，给出了合理的锻造工艺，特别强调了要避开电磁纯铁的红脆与兰脆锻造温度区域。