不能交换

They can not trap as much air as the wool yarns, and do not maintain an effective barrier against heat transfer.

它们不能够像羊毛的纱线一样储存那么多空气，因此不能保持一个有效的阻挡层以抵挡热量交换。

Glycerol, the by- product from transesterification, cannot be used as fuel due to its insolubility in biodiesel and fossil diesel,causing a fuel yield of only 90%.

来自酯交换反应的副产品——丙甘醇，因为它在生物柴油和矿物柴油里的不溶性导致不能被用作燃料，这使得燃料的产量只有90%。

Riel and agree not to export British-made products which were similar to Lend-Lease materials .

对于租借法案的交换，英国不得不接受一些条款，他们不能出口任何得到的从租借法案中得到的物资，英国也不容许出售那些自己制造但是和租借法案中得到的物资相类似的产品。

The reauthentication protocol in POD copy protectionspecification can not defend the protocol against a simplest replay attack. The AKE protocol in the specification has unwelcome security attributes on implementation. The AKE protocol in DTCP specification has the sender mismatching or receiver mismatching attributes, which can threat the integrity goal of DTCP system and may affect possible application scenarios.

指出配置点拷贝保护系统中的重新认证协议不能抵抗简单的重放攻击，其中的认证密钥交换协议具有实现上不受欢迎的安全属性；指出数字电视拷贝保护规范中的完全认证协议具有发送者失配或者接收者失配属性，这些属性会威胁该规范的完整性目标，并影响该规范可能的应用场景。

In exchange for Lend-Lease the British had to accept that they would not export any Lend-Lease matériel and agree not to export British-made products which were similar to Lend-Lease materials.

对于租借法案的交换，英国不得不接受一些条款，他们不能出口任何得到的从租借法案中得到的物资，英国也不容许出售那些自己制造但是和租借法案中得到的物资相类似的产品。

X6 3?,large specific surface area and adsorbent capacity However,most molecules and hydrated ions can not enter the aperture pass because of their size over the aperture diameter of palygorslote except less simple ones Furthermore,Palygorskite adsorbs water molecule choosingly In most cases the absorbing of palygorskite is by its outside surface that works in the form of colloid and ion exchange other than i...

但是由于凹凸棒石孔道直径小于大多数分子及水合离子的直径，除少数简单分子和离子外，多数分子和离子都不能进入凹凸棒石孔道，而且凹凸棒石选择性吸附水分子，因而在多数情况下，凹凸棒石对吸附质的吸附不是内表面吸附，而是外表面吸附。并且外表面吸附是胶体和离子交换吸附。本文阐述了凹凸棒石的孔道直径、吸附选择性、体系pH 值及凹凸棒石和蒙脱石胶体颗粒的互相作用对凹凸棒石吸附性能应用的制约。

Cd〓 may not be preconcentrated at PanY/ZMEs at open circuit and can be done at constant potential, show the ion-exchanged reaction between zeolite and surrounding electrolyte can not occur.

以PanY/ZME为工作电极用阳极溶出法测Cd〓时发现，在开路下不能富集Cd〓，只有通过阴极恒电位富集后，PanY/ZME对溶液中Cd〓才有响应，说明在PanY/ZME中不存在分子筛点位上的阳离子和溶液中阳离子的离子交换。

If we could not do so, goods and services could not be exchanged efficiently.

如果我们不这样做，货物和服务就不能有效地被交换。

As an inducement the city is enticing landholders to surrender their claims on their rural plots in exchange for prized urban residency permits that offer not only legal residence in a city, but also access to social services and benefits unavailable in rural areas.

城市作为一个诱因吸引着土地所有者放弃他们在农村的的小块土地，进而作为交换城市居民许可的条件。这个城市户口不仅意味着可以作为城市的合法居民，并且还能享受到农村所不能享受到的社会服务和好处。

In order to encourage commercial banks to deploy more ATMs, China's central bank allows them to charge foreign fee. We show that, on the contrary to central bank's aim, foreign fee decreases commercial banks' incentive to deploy more ATMs. We construct a Salop model to analyze three conditions: no-fee, foreign fee and surcharge.

更重要的是，在分析跨行费率和额外费率时，我们得出了比较精确的数值解，这可以为银行制定费率时提供借鉴；交换费和ATM的边际成本相等或者两者至少不能相差过大对整个银行体系而言是有关键意义的，希望规制者能着重考虑。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。