There can be no differentiation without contrast.

有比较才有差别。

The differentiation  of its sporophore is bud—stipe—pileus differentiation—pileus mature—spore scatter.

灵芝的子实体分化过程，要经过菌芽—菌柄—菌盖分化—菌盖成熟—孢子飞散。

Acropetal differentiation of the cambium layer continues as the primary root elongates.

形成层的向顶分化像初生根伸长一样在继续进行。

The Weizi gold deposit has close relation to An-bearing siliconite formed by metamorphic differentiation.

隈子矿床与辽河群盖县组质体关系密切，质体属于变质分异而成。

Sebaceoma (sebaceous epithelioma) is an uncommon cutaneous adnexal tumor with differentiation toward sebaceous unit.

摘要皮脂瘤(皮脂腺上皮瘤)是具有皮脂腺分化特徵的罕见表皮附属器肿瘤。

Both water and ethanol extracts of RMR had inhibitory effects on 3T3-L1 preadipocyte proliferation and differentiation.

红麴米水萃及酒萃物对3T3-L1前脂肪均有抑制增生及分化之效果。

The differentiation of the cells derived from the primordial meristem forms protoderm,ground meristem and adsperse procam-bium strand.

其生分化为原表皮、基本分生组织和散生的原形成层束。

It facilitating the growth of stem cells of marrow hemopoiesis, largely increase the amount of monocells, promoting its particle differentiation.

可促进正常骨髓造血干增殖，明显增加骨髓单数量，促进其向粒子分化。

Chloridion participated in various kinds of biological function, such as cellular immunologic response , cell migration, cellular proliferation and differentiation, apoptosis.

氯离子参与生物体多种功能,如免疫应答、移、增生、分化和凋亡。

Synergistic effect of Schwann cells and retinoic acid on the neuronal differentiation and synaptogenesis of hippocampal neural stem cells in vitro.

移植神经干促进脊髓全横断大鼠结构与功能修复的研究。

The central nervous systeM consisted of brain, suboesophageal ganglion and ventral nerve-cord, and the differentiations aMong protocerebruM, deutocerebruM and tritocerebruM were obvious.

其中枢神经系统由脑、食管下神经节、腹神经索组成，前、中、后脑分化明显。

These cells began to devise, then developed into aloin cells through enlargement of volume and vacuolization with the differentiation of metaphloem and metaxylem.

在后生韧皮部和木质部发育成熟过程中，这些体积逐渐增大，并液泡化，发育成为大型薄壁（芦荟素），位于筛管外侧。

In the podzol profile the coefficients reflected the marked horizon differentiation.

对灰化土剖面，系数反映了明显的层位分异。

Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lythraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.

异型雄蕊在野牡丹科、茄科、干屈菜科、豆科、雨久花科等多个科中都有分布,但其分化与程度常随类群而异。

Heteranthery exists in several angiosperm families, such as Melastomataceae, Solanaceae, Lytbraceae, Leguminosae and Pontederiaceae, but the aspects and extent of differentiation often vary in taxa.

异型雄蕊在野牡丹科、茄科、千屈菜科、豆科、雨久花科等多个科中都有分布，但其分化与程度常随类群而异。

The expression of interleukin-5 (IL-5) has been correlated with the maturation and differentiation of eosinophils, and is considered to be a cytokine responsible for allergic inflammation.

IL-5与嗜酸性粒的成熟和分化密切相关, 是过敏性炎症发生过程中的关键因子。

OBJECTIVE To observe the effects of fetal bovine serum (FBS) and artificial perilymph (APL) on the differentiation of neural stem cells from newborn fetal guinea pigs.

目的体外定向诱导新生豚鼠海马神经干分化为内耳毛。

A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.

用比较直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式；并得到了计算傅立叶系数的一种简便方法.

The midgut gland cell differentiation occurs at Z2, There are 4 types of cells, i. e., embryonic cell (E-cell), fibrillar cell (F-cell), blister cell (B-cell) and resorptive cell(R-cell).

中肠腺小管上皮在Z2期已有了分化，由4类组成，即胚(E)、纤维(F)、泡状(B)和吸收(R)。

Conclusions Flutamide can cut down the secretory volume of T to block the sexual differentiation and development by the venenous harm on cellular organ and the restrained activity of key enzyme.

结论氟他胺通过对生成睾酮器的毒性损害和关键酶的抑制，降低了睾酮的分泌量，从而阻碍了性分化和性发育。