Fertility concept changes with economic development

Same author

First Measurement of Time-Dependent CP Violation in the Flavor-Changing Neutral-Current Decay B^{0}→K_{S}^{0}μ^{+}μ^{-}.

Physical review letters·2026

Same author

Measurement of the Top-Quark Production Cross Section and Charge Asymmetry at LHCb.

Physical review letters·2026

Same author

Searches for B^{0}→K^{+}π^{-}τ^{+}τ^{-} and B_{s}^{0}→K^{+}K^{-}τ^{+}τ^{-} Decays.

Physical review letters·2026

Same author

First Evidence of the B_{s}^{0}→K^{-}π^{+}γ Decay.

Physical review letters·2026

Same author

Precision Measurement of CP Violation and Branching Fractions in B^{±}→K_{S}^{0}h^{±} (h=π, K) Decays and Search for the Rare Decay B_{c}^{±}→K_{S}^{0}K^{±}.

Physical review letters·2026

Same author

First Observation of the B[over ¯]_{s}^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay and Evidence for the B[over ¯]^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay.

Physical review letters·2026

Same journal

An outline of study on China's population / environment issues.

China population newsletter·1990

Same journal

New rules for family planning and land management in Shaanxi province.

China population newsletter·1990

Same journal

Shanghai adopts family planning regulations.

China population newsletter·1990

Same journal

Contraceptive use in China.

China population newsletter·1989

Same journal

Communique of the National Sample Survey of Fertility and Birth Control (abstract).

China population newsletter·1989

Same journal

Grasp the work of family planning by unifying thinking and stabilizing the policy.

China population newsletter·1989

Related Experiment Videos

Fertility concept changes with economic development

Related Concept Videos

First Measurement of Time-Dependent CP Violation in the Flavor-Changing Neutral-Current Decay B^{0}→K_{S}^{0}μ^{+}μ^{-}.

Measurement of the Top-Quark Production Cross Section and Charge Asymmetry at LHCb.

Searches for B^{0}→K^{+}π^{-}τ^{+}τ^{-} and B_{s}^{0}→K^{+}K^{-}τ^{+}τ^{-} Decays.

First Evidence of the B_{s}^{0}→K^{-}π^{+}γ Decay.

Precision Measurement of CP Violation and Branching Fractions in B^{±}→K_{S}^{0}h^{±} (h=π, K) Decays and Search for the Rare Decay B_{c}^{±}→K_{S}^{0}K^{±}.

First Observation of the B[over ¯]_{s}^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay and Evidence for the B[over ¯]^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay.

An outline of study on China's population / environment issues.

New rules for family planning and land management in Shaanxi province.

Shanghai adopts family planning regulations.

Contraceptive use in China.

Communique of the National Sample Survey of Fertility and Birth Control (abstract).

Grasp the work of family planning by unifying thinking and stabilizing the policy.

Related Experiment Videos

Fertility concept changes with economic development

Related Concept Videos

Related Articles

First Measurement of Time-Dependent CP Violation in the Flavor-Changing Neutral-Current Decay B^{0}→K_{S}^{0}μ^{+}μ^{-}.

Measurement of the Top-Quark Production Cross Section and Charge Asymmetry at LHCb.

Searches for B^{0}→K^{+}π^{-}τ^{+}τ^{-} and B_{s}^{0}→K^{+}K^{-}τ^{+}τ^{-} Decays.

First Evidence of the B_{s}^{0}→K^{-}π^{+}γ Decay.

Precision Measurement of CP Violation and Branching Fractions in B^{±}→K_{S}^{0}h^{±} (h=π, K) Decays and Search for the Rare Decay B_{c}^{±}→K_{S}^{0}K^{±}.

First Observation of the B[over ¯]_{s}^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay and Evidence for the B[over ¯]^{0}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Decay.

An outline of study on China's population / environment issues.

New rules for family planning and land management in Shaanxi province.

Shanghai adopts family planning regulations.

Contraceptive use in China.

Communique of the National Sample Survey of Fertility and Birth Control (abstract).

Grasp the work of family planning by unifying thinking and stabilizing the policy.