题目内容（请给出正确答案）

[主观题]

______ represents the energy per unit volume of a material required to produce fracture under static

conditions.

A) Modulusofelasticity

B) Modulusoftoughness

C) Modulusofresilience

D) Modulusofrigidity

提问人：网友anonymity 发布时间：2022-01-06

参考答案

查看官方参考答案

如搜索结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装简答题APP，拍照搜题省时又省心！

更多“______ represents the energy p…”相关的问题

第1题

Since a polythene bag is used for each raincoat, it is attractive and _________ for window display.

A、A all ready

B、B already

C、C all readiness

D、D readiness

点击查看答案

第2题

Insulin is usually taken as subcutaneous injections by single-use insulin pens with disposable needles.

点击查看答案

第3题

Debbie hopes to ______ a new world record.

A、do

B、make

C、build

D、fix

点击查看答案

第4题

The expression of a mechanical wave is y=0.05 cos(6

t+0.06

t), where the unit of y and x is m and the unit of t is s, then ( )

A、The wavelength is 5m.

B、The wave speed is 10 m

C、The period iss

D、The wave travels along the positvie direction of x axis.

点击查看答案

第5题

______ crystal system has mutually perpendicular axes (α=β=γ=90°) but unequal lattice parameters, among which the z-intercept is larger than the x- or y- intercepts (c＞a=b).

A) Cubic

B) Hexagonal

C) Monoclinic

D) Tetragonal

点击查看答案

第6题

Which concept of the materials cycle has been LEAST AFFECTED by recent trends？

A) Concern for the entire cycle that includes effects of harmful by-products and unrecycled old products

B) Ability to design materials to meet ever-increasing demands of technology rather than use "off-the shelf" materials

C) Need for a more highly educated workforce to support new manufacturing techniques

D) Desire to achieve the maximum properties from any given materials

点击查看答案

第7题

______ is a measure of heat flow through a material. It relates heat flow (the flow of heat energy per unit area, per unit time) to the temperature gradient, causing the heat to flow.

A) Heatcapacity

B) Specificheat

C) Thermalconductivity

D) Coefficient ofthermal expansion

点击查看答案

第8题

How many space lattices (Bravais lattices) can atoms form in seven crystal systems？

A) 3

B) 4

C) 8

D) 14

点击查看答案